{"id":236,"date":"2026-04-30T05:10:06","date_gmt":"2026-04-30T05:10:06","guid":{"rendered":"https:\/\/automatictransmissionpart.com\/?post_type=product&p=236"},"modified":"2026-04-30T05:10:06","modified_gmt":"2026-04-30T05:10:06","slug":"ep-eb02-differential-assembly","status":"publish","type":"product","link":"https:\/\/automatictransmissionpart.com\/tr\/urun\/ep-eb02-differential-assembly\/","title":{"rendered":"EP-EB02 Differential Assembly"},"content":{"rendered":"
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EP-EB02 Differential Assembly<\/h2>\n

Compact-type planetary gear differential assembly<\/strong> delivering precise power distribution between both output axle shafts. Simple structure, low noise operation, and verified dimensional compliance \u2014 built for front axle applications across light vehicles, utility platforms, and agricultural equipment operating in Colombia and global markets.<\/p>\n

Model: EP-EB02<\/span>
\nWeight: 2.8 kg<\/span>
\nDimensions: 140 \u00d7 140 \u00d7 93 mm<\/span>
\nISO 9001 Sertifikal\u0131<\/span><\/div>\n<\/div>\n
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1. Technical Specifications \u2014 EP-EB02 Differential Assembly<\/h2>\n
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No.<\/th>\nParametre<\/th>\nSymbol \/ Unit<\/th>\nDe\u011fer \/ \u00d6zellik<\/th>\n<\/tr>\n<\/thead>\n
01<\/td>\nModel<\/td>\n\u2014<\/td>\nEP-EB02<\/td>\n<\/tr>\n
02<\/td>\nDifferential Type<\/td>\n\u2014<\/td>\nCompact Planetary Gear Differential<\/td>\n<\/tr>\n
03<\/td>\nApplication Category<\/td>\n\u2014<\/td>\nFront Axle Drive System \u2014 Light Vehicle \/ Utility Platform<\/td>\n<\/tr>\n
04<\/td>\nMax Input Torque<\/td>\nT max (N\u00b7m)<\/td>\n<\/td>\n<\/tr>\n
05<\/td>\nMax Input Rotation Rate<\/td>\nn max (rpm)<\/td>\n<\/td>\n<\/tr>\n
06<\/td>\nCentre-to-Centre Spacing<\/td>\nA (mm)<\/td>\n48 mm<\/td>\n<\/tr>\n
07<\/td>\nDi\u015fli Oran\u0131<\/td>\nU<\/td>\n1.45 : 1<\/td>\n<\/tr>\n
08<\/td>\nSpline Type (Input & Output)<\/td>\n\u2014<\/td>\nInternal Involute Spline<\/td>\n<\/tr>\n
09<\/td>\nSpline Module<\/td>\nm<\/td>\n1<\/td>\n<\/tr>\n
10<\/td>\nSpline Tooth Count<\/td>\nz<\/td>\n22<\/td>\n<\/tr>\n
11<\/td>\nPressure Angle<\/td>\na<\/td>\n20\u00b0<\/td>\n<\/tr>\n
12<\/td>\nShift Coefficient<\/td>\nx<\/td>\n\u22120.195 \/ \u22120.05<\/td>\n<\/tr>\n
13<\/td>\nOverall Dimensions (L \u00d7 W \u00d7 H)<\/td>\nmm<\/td>\n140 \u00d7 140 \u00d7 93<\/td>\n<\/tr>\n
14<\/td>\nAssembly Weight<\/td>\nkilogram<\/td>\n2.8<\/td>\n<\/tr>\n
15<\/td>\nGear Surface Hardness<\/td>\nHRC<\/td>\n58 \u2013 62<\/td>\n<\/tr>\n
16<\/td>\nCore Hardness (Gear)<\/td>\nHRC<\/td>\n32 \u2013 38<\/td>\n<\/tr>\n
17<\/td>\nCase Carburising Depth<\/td>\nmm<\/td>\n0.4 \u2013 0.8<\/td>\n<\/tr>\n
18<\/td>\nHousing Bore Concentricity<\/td>\nmm<\/td>\n\u2264 0.01<\/td>\n<\/tr>\n
19<\/td>\nMating Face Flatness<\/td>\nmm<\/td>\n\u2264 0.02<\/td>\n<\/tr>\n
20<\/td>\n\u00c7al\u0131\u015fma S\u0131cakl\u0131\u011f\u0131 Aral\u0131\u011f\u0131<\/td>\n\u00b0C<\/td>\n\u221230 to +120<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

\"automatictransmissionpart-products-EP-EB02<\/p>\n

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2. What is EP-EB02 Differential Assembly?<\/h2>\n

The EP-EB02 is a compact differential assembly<\/strong> designed to meet the space and weight constraints of modern light vehicle and utility platform front axle systems. Rather than relying on a traditional bevel-gear spider layout \u2014 which tends to be bulkier and less forgiving of tight axle housing geometries \u2014 the EP-EB02 uses a planetary gear differential architecture. In this arrangement, the input torque drives the planetary carrier, whose planet gears simultaneously mesh with both the fixed ring gear inside the housing and the sun-gear-linked output shaft elements. This topology allows the complete differential gear assembly<\/strong> to sit within a 140\u2009\u00d7\u2009140\u2009\u00d7\u200993\u2009mm footprint while still handling the torque and speed inputs associated with 600\u2013700cc class vehicle drivetrains. The result is a unit that goes directly into the axle housing without the additional clearance machining that oversized differentials often demand.<\/p>\n

At 2.8\u2009kg assembled, the EP-EB02 contributes meaningfully to overall front axle unsprung weight targets \u2014 an increasingly important parameter in vehicle development programmes aimed at ride quality and tyre contact consistency on rough unpaved tracks. Colombian infrastructure conditions, particularly in the Andean coffee belt, the Pac\u00edfico region, and the extensive rural road network of the Llanos Orientales, make unsprung mass a practical performance concern rather than merely a design-document metric. A lighter differential assembly that maintains rated strength allows suspension tuning to focus on terrain compliance rather than compensating for excess drivetrain mass.<\/p>\n

The EP-EB02\u2019s internal spline interface is machined to an involute internal spline standard: module 1, 22 teeth, 20\u00b0 pressure angle, with a shift coefficient of \u22120.195\/\u22120.05. These parameters conform to widely adopted light vehicle axle shaft spline standards, making the EP-EB02 a documented differential carrier assembly replacement<\/strong> option across multiple vehicle platforms without bespoke shaft machining. This standardised interface also simplifies inventory management for workshops that service mixed-brand vehicle fleets \u2014 a common operational reality for agricultural equipment maintenance contractors and fleet management companies operating across Colombia\u2019s diverse vehicle mix.<\/p>\n

Understanding what a differential assembly is normally composed of<\/em> \u2014 carrier housing, planet gear set, ring gear, output shaft interfaces, and bearing assemblies \u2014 helps explain why the EP-EB02\u2019s compact planetary design is an engineering advance over legacy configurations. By co-locating the torque-splitting mechanism within the planetary gear set itself rather than distributing it across a spider-and-bevel arrangement, the EP-EB02 minimises the number of distinct wear interfaces in the differential assembly parts<\/strong> train, which directly reduces the probability of multiple simultaneous failure modes and simplifies the service scope when maintenance is eventually required.<\/p>\n<\/div>\n

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3. Five Key Advantages of the EP-EB02 Differential Assembly<\/h2>\n
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1 \u2014 Ultra-Compact Envelope for Tight Axle Housings<\/strong><\/p>\n

At 140\u2009\u00d7\u2009140\u2009\u00d7\u200993\u2009mm, the EP-EB02 occupies a packaging volume that accommodates front axle housings where bevel-gear differentials of equivalent rated torque capacity would require mechanical clearance relief machining. The compact planetary design eliminates the projecting spider pin arrangement typical of bevel-gear units, giving the housing engineer a clean, symmetrical form to work around. For vehicle platforms developed or manufactured in Colombia where local axle housing geometry has been set to a compact dimension, this packaging advantage is directly production-relevant, reducing the number of housings that require rework before the front axle assembly line can accept the differential unit.<\/p>\n<\/div>\n

2 \u2014 Low Operating Noise Through Planetary Gear Load Distribution<\/strong><\/p>\n

Planetary differential gear sets distribute load contact across multiple planet gear mesh points simultaneously. This shared load profile reduces peak tooth contact stress per mesh compared to single-contact bevel-gear arrangements, which is the primary physical cause of the lower noise floor that planetary differential gear assembly<\/strong> designs produce at equivalent input torque levels. For vehicle operators in Colombia making extended journeys across the v\u00eda primaria network \u2014 routes like the Ruta del Sol, the Transversal del Carare, or the Troncal del Occidente \u2014 reduced drivetrain noise over hours of operation is a tangible comfort and fatigue-management benefit rather than an abstract specification point.<\/p>\n<\/div>\n

3 \u2014 Standardised Spline Interface \u2014 Broad Platform Compatibility<\/strong><\/p>\n

The involute internal spline (z\u2009=\u200922, m\u2009=\u20091, 20\u00b0, x\u2009=\u2009\u22120.195\/\u22120.05) is machined to dimensional tolerances that align with the dominant light vehicle axle shaft spline standard across the 600\u2013800cc platform segment. Workshops in Bogot\u00e1, Medell\u00edn, Cali, and Barranquilla that service a wide range of front axle differential axle assembly<\/strong> fitments can verify EP-EB02 compatibility from a datasheet review before vehicle disassembly \u2014 avoiding the downtime cost of partial dismantling and reassembly when an incorrect-specification unit is discovered mid-service. This is a meaningful productivity benefit for high-volume service operations with tight workshop bay turnaround targets.<\/p>\n<\/div>\n

4 \u2014 Verified Material Quality and Heat Treatment Traceability<\/strong><\/p>\n

Every EP-EB02 production batch is processed through controlled atmosphere carburising furnaces with logged heat treatment parameters \u2014 atmosphere carbon potential, soak temperature, quench medium temperature, and tempering cycle. Gear tooth surface hardness is verified by Rockwell testing on batch samples before release, and material input is tracked by mill certificate heat number through the production record. This chain of traceability is the practical answer to the question procurement managers at Colombian fleet operators and vehicle assemblers most often ask about a complete differential assembly<\/strong>: “Can you prove what\u2019s inside it?” With the EP-EB02, the answer is yes \u2014 on paper and on demand.<\/p>\n<\/div>\n

5 \u2014 Simple Structure for Field-Level Serviceability<\/strong><\/p>\n

The EP-EB02\u2019s straightforward differential assembly<\/strong> design \u2014 compact planetary gear set, ductile iron housing, standard involute spline interfaces \u2014 means that any trained mechanic with access to basic workshop equipment and a set of spline gauges can carry out a complete differential assembly<\/strong> inspection and replacement. There are no proprietary preload adjustment procedures, no specialist bearing collapse tools, and no multi-step electronic calibration steps after fitment. This matters significantly in the rural and regional service contexts of Colombia\u2019s Huila, Cauca, Nari\u00f1o, and Meta departments, where vehicle downtime carries a direct cost to agricultural output and the nearest fully equipped dealer workshop may be several hours away.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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4. Working Principle \u2014 Differential Assembly in Detail<\/h2>\n

Torque Input and Planetary Carrier Rotation<\/h3>\n

Understanding how differential assembly working<\/em> functions at a mechanical level begins with the input shaft. Drive torque enters the EP-EB02 through the input internal spline (22 teeth, module 1, 20\u00b0 pressure angle) and rotates the planetary carrier. The carrier is the structural frame that holds the planet gears on their individual trunnion shafts. The ring gear \u2014 an internal ring gear \u2014 is fixed within the differential housing assembly<\/strong>. As the carrier rotates, each planet gear meshes simultaneously with the stationary ring gear on its outer radius and with the sun gear element at the centre of the assembly. Under identical resistance at both outputs \u2014 the straight-ahead driving condition \u2014 the planet gears do not rotate on their own axes; the entire planetary set turns as a rigid body, delivering equal speed and equal torque to both output shafts.<\/p>\n

Speed Differentiation During Cornering<\/h3>\n

When the vehicle enters a curve, the outer wheel must travel a longer arc than the inner wheel in the same elapsed time, requiring the outer output shaft to rotate faster. The differential assembly diagram<\/em> for a planetary design shows this clearly: the planet gears begin to rotate on their own axes \u2014 self-spinning within the carrier as it revolves \u2014 to absorb the speed differential between the two outputs. The outer-wheel output shaft accelerates by exactly the amount the inner-wheel shaft decelerates, with the net speed sum remaining constant and equal to twice the carrier input speed. This is the core kinematic function that explains what differential assembly in a car<\/em> achieves: allowing speed differences between driven wheels without drivetrain binding or tyre scrub on hard surfaces.<\/p>\n

Internal Friction and Passive Torque Bias<\/h3>\n

The EP-EB02\u2019s compact planetary architecture introduces a defined level of internal friction through the contact geometry between planet gear shafts, carrier bearing surfaces, and gear mesh interfaces. This friction is a designed-in feature rather than a manufacturing imperfection: it creates a passive torque-biasing tendency that resists single-wheel spin at the onset of traction loss. Before differential action becomes pronounced, the higher-friction output path retains a share of available torque \u2014 providing a modest traction advantage over a fully open differential that would transfer all torque immediately to the spinning wheel. This characteristic is relevant in the moderate off-road conditions that Colombian light vehicles routinely encounter \u2014 wet unpaved tracks, soft agricultural field edges, and loose-surface river crossings.<\/p>\n

Output Spline Interface and Load Path<\/h3>\n

Torque exits the differential case assembly<\/strong> through the two output internal splines \u2014 the same involute standard (z\u2009=\u200922, m\u2009=\u20091, 20\u00b0 pressure angle, x\u2009=\u2009\u22120.195\/\u22120.05) as the input side. The symmetric spline specification on input and output sides simplifies the shaft inventory required at the assembly level. Output torque travels along the axle shafts to the front wheel hubs, completing the differential axle assembly<\/strong> load path. The involute tooth form on all spline interfaces distributes contact stress across the full tooth face width, reducing fretting wear at the shaft-to-hub interface under the combined torsional and bending loads that are characteristic of front axle duty in mixed on-road and off-road operating cycles.<\/p>\n<\/div>\n

\"automatictransmissionpart-products-EP-EB02<\/p>\n

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5. Materials & Construction<\/h2>\n

Planetary Gear Set (Sun, Planet, Ring Gears):<\/strong> All gear elements in the EP-EB02\u2019s differential gear assembly<\/strong> are manufactured from 20CrMnTi low-alloy carburising steel, conforming to GB\/T 3480 \/ ISO 6336 gear material requirements. After gear hobbing and profile grinding, the components undergo controlled gas carburising in continuous mesh-belt furnaces to achieve a case depth of 0.4\u20130.8\u2009mm, followed by oil quench hardening to a surface hardness of HRC\u200958\u201362 with a tough core maintained at HRC\u200932\u201338. This dual-hardness metallurgical profile \u2014 hard surface for wear resistance, tough core for impact absorption \u2014 is the standard approach for automotive-grade differential gears operating under cyclic shock loading. The 20CrMnTi alloy is specifically chosen over simpler carburising grades because of its chromium-manganese-titanium combination, which produces fine-grain austenite during carburising, resulting in a more uniform and defect-free case layer that is less prone to the surface micro-cracking that can initiate spalling failure on gear tooth flanks under sustained high-torque cycling.<\/p>\n

Differential Housing and Carrier Body:<\/strong> O differential housing assembly<\/strong> is cast from nodular ductile iron (QT500-7 \/ GGG50 equivalent), a grade chosen for its combination of vibration damping, machinability, and impact toughness that grey cast iron cannot match. The graphite nodule microstructure of ductile iron provides elongation-at-failure values typically four to six times higher than grey iron, meaning the housing can absorb the intermittent impact loads that occur during aggressive drive engagement and gear re-meshing without the risk of sudden brittle fracture that would compromise the integrity of the differential carrier assembly<\/strong> in service. After casting, housing bores are CNC-machined to bearing seat concentricity within 0.01\u2009mm and mating face flatness within 0.02\u2009mm \u2014 both tolerances critical for maintaining oil-seal integrity and correct planetary gear alignment throughout the service life of the complete differential assembly<\/strong>.<\/p>\n

Input and Output Spline Shafts:<\/strong> Spline shaft elements are machined from 40Cr or 42CrMo medium-carbon alloy steel, induction surface-hardened at the spline engagement zones to HRC\u200952\u201358. Induction hardening is selected over carburising for spline shafts because it produces a predictable, tightly bounded hardened zone directly over the tooth flanks while keeping the shaft core at high toughness \u2014 the optimal profile for resisting the fretting wear that develops at the spline-to-hub contact when the shaft is subjected to the torsional fluctuations typical of a front axle in mixed driving conditions. The 42CrMo variant is specified for higher-torque applications where the additional molybdenum content provides a step-up in high-cycle fatigue resistance without requiring changes to the housing interface geometry.<\/p>\n

Output Shaft Seals:<\/strong> Fluoroelastomer (FKM\/Viton) dual-lip seals are fitted at both output shaft bores. FKM is selected over standard NBR (nitrile) because of its documented resistance to GL-5 extreme-pressure gear lubricant additives \u2014 specifically the sulphur-phosphorus EP compounds that degrade NBR lip seals and produce the shaft seal leaks that are among the most frequent differential assembly<\/strong> service complaints in the field. The outer lip on each seal provides a secondary dust exclusion barrier, designed to reject the fine abrasive particulate common in unpaved-road operating environments \u2014 a condition routinely encountered by vehicles in Colombia\u2019s rural and agricultural zones.<\/p>\n<\/div>\n

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6. Application Scenarios<\/h2>\n
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Light Commercial and Utility Vehicles \u2014 Colombia Urban and Peri-Urban Routes<\/strong><\/p>\n

The EP-EB02 differential assembly<\/strong> is well-suited for light commercial vehicles operating on mixed urban and regional routes across Colombian cities. Bogot\u00e1, Medell\u00edn, Cali, Barranquilla, and Bucaramanga all have significant peri-urban and peripheral road segments where unpaved or poorly maintained surfaces are directly adjacent to primary v\u00edas. A front axle complete differential assembly<\/strong> that distributes torque smoothly during repeated stop-start cycles \u2014 the dominant load pattern of urban delivery operations \u2014 reduces component fatigue at the front axle and minimises the transmission noise that becomes noticeable in slow urban traffic. The EP-EB02\u2019s low-noise planetary design is directly compatible with this operational context.<\/p>\n<\/div>\n

Agricultural and Rural Field Vehicles \u2014 Andean and Llanos Regions<\/strong><\/p>\n

Vehicles used for crop inspection, fertiliser and input supply runs, and livestock management across Colombia\u2019s agricultural zones \u2014 from the Cauca Valley rice and sugarcane operations to the Meta and Casanare cattle ranches \u2014 operate in conditions that test a differential carrier assembly<\/strong> differently from highway use. Low-speed high-torque cycles, repeated water crossings, clay soil adhesion on axle components, and occasional severe articulation combine to produce a demanding duty cycle. The EP-EB02\u2019s compact housing and sealed FKM lip seals maintain differential integrity under mud and water exposure, while the defined internal friction of the planetary gear set provides passive traction assistance on slippery field surfaces without requiring a separate locking mechanism.<\/p>\n<\/div>\n

Workshop Replacement Service \u2014 Multi-Brand Fleet Maintenance<\/strong><\/p>\n

Automotive workshops across Colombia serving mixed-make vehicle fleets need a differential carrier assembly replacement<\/strong> item that installs without bespoke tooling or lengthy compatibility confirmation procedures. The EP-EB02\u2019s documented spline specification (z\u2009=\u200922, m\u2009=\u20091, 20\u00b0) allows a technician to confirm fitment from a spec sheet against the vehicle axle shaft drawing before disassembling the front axle \u2014 eliminating the wasted labour time of removing the old unit to discover it does not match. In high-volume service centres managing ten or more front axle differential jobs per week, this pre-confirmation capability translates into a directly measurable improvement in workshop throughput and customer satisfaction scores.<\/p>\n<\/div>\n

Small Off-Road and Recreational Vehicle Assembly \u2014 OEM Supply<\/strong><\/p>\n

Vehicle assemblers producing small off-road platforms, side-by-side UTVs, and light recreational vehicles for the Colombian and broader Latin American market require a front differential assembly<\/strong> supplier that can deliver consistent unit quality with verified dimensional documentation for each production lot. The EP-EB02 is supplied with material certificates and dimensional inspection records per batch, satisfying the incoming quality control requirements of regulated assembly lines. The 2.8\u2009kg unit weight and compact 140\u2009\u00d7\u2009140\u2009\u00d7\u200993\u2009mm form factor make it a drop-in fit for front axle designs where packaging space has been traded against suspension travel or ground clearance in the vehicle concept stage.<\/p>\n<\/div>\n

Emergency, Security, and Patrol Vehicle Support<\/strong><\/p>\n

Police, environmental enforcement, and rural emergency response agencies in Colombia increasingly operate light 4WD vehicles across terrain conditions that demand a reliable differential assembly in car<\/strong> systems. The EP-EB02\u2019s mechanical simplicity \u2014 no electronic actuators, no solenoid valves, no sensor interfaces \u2014 makes it inherently robust to the water ingress, dust, and voltage irregularities that degrade complex electromechanical differential systems in the field. Maintenance technicians at agency workshops can service or replace the EP-EB02 using standard workshop equipment. This field-serviceable characteristic is a decisive procurement advantage for agencies operating in Colombia\u2019s frontier departments where specialised dealer support is unavailable within a reasonable response radius.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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7. Regulatory Compliance & Legal Framework<\/h2>\n

Colombia \u2014 Ministerio de Transporte, ICONTEC, and SIC<\/h3>\n

In Colombia, the regulatory environment governing vehicle drivetrain components \u2014 including front axle differential assembly<\/strong> products \u2014 is framed by Decreto \u00danico Reglamentario del Sector Transporte (Decreto 1079 de 2015)<\/strong>, which consolidates transport sector regulations administered by the Ministerio de Transporte. Vehicle homologation requirements \u2014 encompassing drivetrain component technical equivalence certification \u2014 are coordinated through INVIAS (Instituto Nacional de V\u00edas) and ICONTEC (Instituto Colombiano de Normas T\u00e9cnicas y Certificaci\u00f3n), which administers the NTC (Normas T\u00e9cnicas Colombianas) series for mechanical vehicle components. Importers and distributors supplying differential carrier assembly replacement<\/strong> parts should retain material certificates, dimensional inspection reports, and shift coefficient documentation as evidence of technical equivalence with the homologated vehicle specification. The Superintendencia de Industria y Comercio (SIC) enforces product safety obligations under Ley 1480 de 2011<\/strong> (Estatuto del Consumidor) for mechanical components in the Colombian retail and B2B supply market.<\/p>\n

European Union \u2014 Regulation (EU) 168\/2013 and Delegated Acts<\/h3>\n

Vehicles in the EU L-category \u2014 including small off-road platforms and quadricycles that commonly use the EP-EB02 format differential gear assembly<\/strong> \u2014 fall under Regulation (EU) No 168\/2013<\/strong> on the approval and market surveillance of two- and three-wheel vehicles and quadricycles. Commission Delegated Regulation (EU) 44\/2014<\/strong> sets vehicle construction and general requirements applicable to front axle drivetrain systems. Replacement differential assembly parts<\/strong> for EU-registered L-category vehicles should be accompanied by CE Declaration of Conformity documentation where applicable under the Machinery Directive 2006\/42\/EC or successor instruments. Third-party testing reports from accredited bodies (SGS, T\u00dcV, Bureau Veritas) are best practice for EU market entry.<\/p>\n

United States \u2014 CPSC, ANSI\/SVIA 1, and SAE Standards<\/h3>\n

The US Consumer Product Safety Commission (CPSC) regulates ATV and utility vehicle performance under 16 CFR Part 1420<\/strong>. Technical performance requirements for vehicle drivetrain components \u2014 relevant to a rear axle differential assembly<\/strong> or front differential assembly<\/strong> replacement supply \u2014 are set by ANSI\/SVIA 1<\/strong> (American National Standard for Four Wheel All-Terrain Vehicles) and supporting SAE standards including SAE J2826<\/strong>. Material grade compliance for gear components in US-market vehicles should be verifiable against SAE 4320H or equivalent AISI\/ASTM carburising steel designations, with documented hardness and case depth data.<\/p>\n

Brazil \u2014 CONTRAN, SENATRAN, and ABNT NBR<\/h3>\n

Brazil\u2019s National Traffic Council (CONTRAN) and Secretariat for Road Traffic (SENATRAN) administer vehicle component standards under Resolu\u00e7\u00f5es that establish minimum technical requirements. ABNT NBR standards govern mechanical vehicle component specifications, and imported drivetrain components may fall under INMETRO (Instituto Nacional de Metrologia) compulsory certification requirements depending on HS classification. Distributors from Colombia or Peru supplying the Brazilian market with complete differential assembly<\/strong> units should verify INMETRO compulsory product certification status before importation to avoid border clearance delays.<\/p>\n

Mexico \u2014 NOM \/ Normas Oficiales Mexicanas<\/h3>\n

Mexico\u2019s Secretar\u00eda de Econom\u00eda and Secretar\u00eda de Comunicaciones y Transportes (SCT) administer Normas Oficiales Mexicanas (NOM)<\/strong> for vehicle components. NOM-086-SCT2<\/strong> and related transport-sector NOMs establish minimum safety and dimensional requirements. PROFECO (Procuradur\u00eda Federal del Consumidor) enforces product safety standards for imported mechanical components in the distribution channel. All documentation \u2014 dimensional certificates, material traceability records, and inspection reports \u2014 provided with EP-EB02 deliveries supports NOM compliance documentation workflows for Mexican-market import.<\/p>\n<\/div>\n

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8. About Us<\/h2>\n

We are a specialist manufacturer and global supplier of front axle assemblies, differential carrier assembly systems, and precision drivetrain components for light vehicles, utility platforms, and agricultural equipment. Our engineering scope covers the full range of differential assembly types \u2014 open, passive-bias planetary, and lockable configurations \u2014 for both original equipment manufacturer supply programmes and the international aftermarket replacement channel. Our production facilities include CNC gear hobbing centres, precision spline broaching machines, coordinate measuring machine (CMM) inspection cells, and dedicated gear-mesh noise test rigs that evaluate every production lot before release from quality hold.<\/p>\n

Our quality management system operates under ISO 9001 certification, with process controls covering incoming material inspection, in-process dimensional verification at each CNC stage, heat treatment batch recording (temperature profiles, atmosphere data, and quench parameters), proof-load tensile testing on structural components, and pressure-decay seal integrity checks on assembled housings.<\/p>\n

\u00c7al\u0131\u015ftay<\/h3>\n
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9. Related Products \u2014 Complete Axle System Supply<\/h2>\n

The EP-EB02 differential assembly<\/strong> is one component in a comprehensive front-to-rear drivetrain supply programme. We also manufacture the following directly compatible axle system components for Rear Axle Assembly applications, providing procurement teams and workshops with a single-source supply advantage for complete system builds, fleet maintenance, and emergency repair scenarios \u2014 eliminating multi-supplier coordination and simplifying technical compatibility verification.<\/p>\n

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Rear Axle Assembly \u2014 Wheel Bolts<\/strong><\/p>\n

Wheel bolts are a safety-critical interface between the axle hub and the wheel rim. When renewing a front axle differential assembly<\/strong> or rear axle differential, replacing wheel bolts as part of the same service event ensures the entire axle load path is brought back to specification simultaneously. Worn or incorrectly specified wheel bolts \u2014 mismatched thread pitch, insufficient shank length, or inadequate flange diameter \u2014 are a contributing factor in in-service wheel separation events. We supply wheel bolt sets across the thread specifications and shank configurations used by the dominant 600\u2013800cc light vehicle and utility platform segment in Colombia, Peru, and Ecuador, with a one-stop supply advantage for workshops managing complete front and rear axle differential assembly<\/strong> renewal jobs.<\/p>\n

\"otomatik<\/div>\n

Treyler Dingil Kiri\u015fi \/ Treyler Mili<\/strong><\/p>\n

Agricultural and utility vehicle operators across Colombia \u2014 particularly in the Llanos, Cauca Valley, and Magdalena Middle basin \u2014 routinely tow trailers for crop, livestock, and equipment transport. A correctly rated Trailer Axle Beam and Spindle is the load-bearing interface between the trailer payload and the wheel hub, and its specification must match the actual load, track width, and speed profile of the trailer. An under-rated spindle or incorrectly sized beam induces axle bending loads that transfer into the tow vehicle\u2019s rear axle differential through the trailer coupling \u2014 an indirect but real contributor to premature rear axle differential assembly<\/strong> wear. We supply trailer axle beams and spindles in load ratings from light single-axle ATV trailers to medium-duty agricultural tandem-axle configurations.<\/p>\n

\"otomatik<\/div>\n<\/div>\n<\/div>\n

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Frequently Asked Questions \u2014 EP-EB02 Differential Assembly<\/h2>\n
\nQ1. What is a differential assembly and what does it do in a front axle system?<\/summary>\n
A differential assembly<\/strong> is a geared mechanism housed inside the axle carrier that splits input drive torque between two output shafts while allowing each shaft to rotate at a different speed when needed \u2014 for example, during cornering when the outer wheel must travel a longer arc than the inner wheel. In the EP-EB02, this function is delivered through a compact planetary gear set: the planet gears rotate on their own axes to absorb the speed differential between left and right outputs while the carrier continues to rotate and transmit torque to both sides. This is the core kinematic function described in differential assembly working<\/em> explanations: simultaneous torque transmission with speed differentiation between output shafts.<\/div>\n<\/details>\n
\nQ2. What parts are included in the EP-EB02 differential assembly and what does a typical differential assembly diagram show?<\/summary>\n
The EP-EB02 includes the differential housing assembly<\/strong> (ductile iron carrier body), planetary gear set (sun gear, planet gears on trunnion shafts, and ring gear), input and output spline shaft interfaces, bearing assemblies, and dual-lip FKM shaft seals. A differential assembly diagram<\/strong> for a planetary type typically shows the ring gear fixed at the periphery of the carrier body, the planet gears meshing simultaneously with the ring gear and sun gear, and the carrier rotating around the central axis as the input torque driver. The two output shafts connect to the sun gear side and the carrier side respectively. This layout is why the EP-EB02 has a symmetric overall form: the compact co-axial arrangement of the differential assembly parts<\/strong> keeps the unit height low at 93\u2009mm.<\/div>\n<\/details>\n
\nQ3. Which vehicles in Colombia and the Andean region use the EP-EB02 differential assembly as a compatible replacement unit?<\/summary>\n
The EP-EB02 is designed around the dominant light vehicle front axle spline standard: involute internal spline, module 1, 22 teeth, 20\u00b0 pressure angle, shift coefficient \u22120.195\/\u22120.05. This profile covers a broad range of 600\u2013800cc utility vehicle, light commercial, and small off-road platform front axle assemblies commonly operated across Colombia, Peru, Ecuador, and Mexico. Before ordering, we recommend verifying the input and output spline tooth counts on your existing front differential shaft against these parameters \u2014 we can supply spline dimensional drawings and verification procedures on request. Submit your vehicle make, model year, and current differential carrier assembly<\/strong> part number to our technical team for a confirmed compatibility assessment.<\/div>\n<\/details>\n
\nQ4. What type of gear lubricant should be used in the EP-EB02 differential assembly and how often should the oil be changed?<\/summary>\n
The EP-EB02 is designed for GL-5 extreme-pressure gear oil, typically SAE 80W-90 for operation in Colombia\u2019s lowland and coastal zones, or SAE 75W-90 full-synthetic for Andean high-altitude applications where cold-start viscosity at pre-dawn ambient temperatures is a concern. Oil change intervals should follow the vehicle manufacturer\u2019s service schedule for the front differential axle assembly<\/strong> \u2014 typically every 50 operating hours for aggressive off-road or agricultural use, or every 150\u2013200 hours for mixed on-road\/off-road utility use. At each oil change, inspect the drained fluid for metallic particles and verify that both axle shaft seals \u2014 the primary differential assembly lube<\/strong> containment points \u2014 show no seepage. Replace seals prophylactically at every oil change if the vehicle operates in high-water-crossing environments.<\/div>\n<\/details>\n
\nQ5. What is the HS code for the EP-EB02 differential assembly and what import duties apply in Colombia?<\/summary>\n
The applicable differential assembly HS code<\/strong> for import classification under Colombia\u2019s DIAN tariff schedule typically falls within HS Chapter 87 (Vehicles and Parts) \u2014 most commonly under HS 8708.99 (Other parts and accessories for motor vehicles) or HS 8708.50 (Drive-axles with differential) depending on the import declaration scope and whether the differential is declared as a standalone component or as part of an assembled axle unit. The specific applicable sub-heading and applicable import duty rate under Colombia\u2019s bilateral trade agreements \u2014 including the Colombia-EU FTA and the Pacific Alliance framework with Peru and Chile \u2014 should be confirmed with a licensed customs broker (agente de aduanas) registered with DIAN before importation. We provide the harmonised code used in our export commercial invoice and packing list with each shipment to simplify the DIAN import declaration process.<\/div>\n<\/details>\n
\nQ6. What other front axle components should be inspected or replaced at the same time as the differential assembly?<\/summary>\n
When carrying out a front differential carrier assembly replacement<\/strong>, experienced workshop technicians in Colombian and Peruvian service centres typically inspect and address: (1) front propshaft universal joints or CV joint assemblies \u2014 worn joints generate torsional vibration that accelerates differential bearing wear; (2) both front axle shaft seals at the differential output bores; (3) front wheel bearings \u2014 compromised bearings allow axial shaft play that overloads the differential output seal lips and causes premature leaks; (4) the differential fill plug and drain plug \u2014 replacing if the threads show any sign of galling; and (5) front axle shaft CV boots \u2014 cracked or missing boots lead to grease loss and CV joint contamination that quickly back-loads the front differential. Renewing all these components together avoids the common scenario of a new complete differential assembly<\/strong> being fitted alongside failing adjacent components, requiring a second full disassembly within a short service interval.<\/div>\n<\/details>\n<\/div>\n

Edit\u00f6r: PXY<\/p>","protected":false},"excerpt":{"rendered":"

The EP-EB02 is a differential assembly based on a compact planetary gear configuration, enabling smooth torque split between the left and right output shafts through the self-rotation of planet gears \u2014 a design approach that reduces packaging size without sacrificing load capacity or service durability.<\/p>\n

With a total assembly weight of 2.8\u2009kg and an overall envelope of 140\u2009\u00d7\u2009140\u2009\u00d7\u200993\u2009mm, the EP-EB02 fits directly into the front axle housing of a wide range of light vehicle platforms, and its involute internal spline interface (z\u2009=\u200922, m\u2009=\u20091, pressure angle 20\u00b0) ensures straightforward installation without custom shaft modification.<\/p>","protected":false},"featured_media":237,"template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[20],"product_tag":[],"class_list":{"0":"post-236","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-differential-assembly","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/automatictransmissionpart.com\/tr\/wp-json\/wp\/v2\/product\/236","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/automatictransmissionpart.com\/tr\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/automatictransmissionpart.com\/tr\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/automatictransmissionpart.com\/tr\/wp-json\/wp\/v2\/media\/237"}],"wp:attachment":[{"href":"https:\/\/automatictransmissionpart.com\/tr\/wp-json\/wp\/v2\/media?parent=236"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/automatictransmissionpart.com\/tr\/wp-json\/wp\/v2\/product_brand?post=236"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/automatictransmissionpart.com\/tr\/wp-json\/wp\/v2\/product_cat?post=236"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/automatictransmissionpart.com\/tr\/wp-json\/wp\/v2\/product_tag?post=236"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}