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EP-HS Series | U-Joint Product Line
EP-DAF Universal Joint
Engineered for DAF commercial trucks and heavy-duty driveline systems — delivering consistent torque transfer, extended service life, and precise fitment across the full DAF HS series range.
1. EP-HS Series DAF Universal Joint — Technical Specifications
The table below lists the complete EP-HS DAF Universal joint assembly range with dimensional data, applicable DAF series codes, and OEM cross-reference numbers. Dimensions follow the convention: cap diameter (φ, mm) × overall length (mm).
| حصہ نمبر | FIG | Size (φD × L, mm) | Series | DAF OEM No. | Original No. |
|---|---|---|---|---|---|
| HS179 | اے | φ30.188×106.35 | 1410 | 608921 | - |
| HS222 | اے | φ35×96.8 | - | 542635 | - |
| HS236 | اے | φ38×105.8 | - | 314151 | 314851 |
| HS176 | اے | φ39.675×115.42 | 1510 | 316340 | - |
| 6090057 | اے | φ42×104.5 | 587.15 | 609057 | - |
| HS256 | اے | φ44×124.8 | - | 302155 | 140264 |
| HS266 | اے | φ47×130.9 | - | 586969 | 106829 |
| HS271 | اے | φ48×116.4 | 587.2 | 507539 | 609866 |
| HS278 | اے | φ50×131 | - | 178185 | - |
| HS381 | اے | φ50×152.6 | 287.4 | 311267 | 605804 |
| HS282 | اے | φ52.1×133 | 587.3 | 264354 | - |
| HS286 | اے | φ55×164 | - | 586992 | - |
| HS288 | اے | φ57.07×144 | 587.35 | 505698 | 75873606 |
FIG A = 4 plain round bearing cups type. All dimensional tolerances held to ±0.01 mm on bearing cup bore. Contact our technical team for custom series requests.
2. What Is a DAF Universal Joint and Why Does It Matter?
اے DAF Universal Joint — often called a U-joint or cardan joint — is the critical coupling component that connects two rotating shafts at an angle, transmitting torque continuously even when those shafts are misaligned. In DAF trucks and commercial vehicles, the DAF Universal Joint sits at the heart of the driveline, bridging the transmission output and the rear axle differential. Without a properly functioning DAF hs universal joint, power flow to the wheels becomes erratic, vibrations increase dramatically, and drivetrain components suffer accelerated wear. The EP-HS series has been designed specifically to match the dimensional envelope, material specification, and load rating required by DAF OEM standards, making it a fully compatible DAF Universal joint replacement or upgrade part.
Whether you are a fleet maintenance manager in Bogotá, a heavy-vehicle workshop in Medellín, or a parts distributor serving the Andean transport sector, sourcing a reliable DAF Universal joint assembly from a manufacturer that understands DAF-specific tolerances is fundamental to keeping vehicles on the road and minimizing downtime. Our EP-HS series addresses exactly that need for a quality DAF Universal joint, covering thirteen distinct part numbers from HS179 up to HS288, spanning cap diameters from φ30.188 mm all the way to φ57.07 mm. Selecting the correct DAF Universal joint for your specific driveshaft series is straightforward using the cross-reference table provided below.
3. Five Key Advantages of the EP-HS DAF Universal Joint
Every EP-HS DAF hs universal joint is machined to match the original DAF dimensional specification — cap diameter, bearing cup depth, and snap-ring groove position — so installation is straightforward, requiring no modification to yokes or driveshafts. This eliminates the guesswork that often leads to premature failure when using generic parts. A precisely manufactured DAF Universal joint also reduces noise and vibration throughout the driveline lifecycle.
The cross-spider and bearing caps of each DAF Universal joint are forged from chromium-molybdenum alloy steel and heat-treated to achieve the surface hardness and core toughness needed for demanding long-haul duty cycles. This material combination resists bending fatigue, impact loads, and the corrosive environment typical in Andean mountain routes and tropical lowland transport corridors.
The needle-roller bearing cups are equipped with precision lip seals that keep lubricant in and contaminants out over the full service interval. For applications where regular greasing is impractical, a sealed-for-life variant is available. This DAF Universal joint quality feature dramatically extends re-lubrication intervals and reduces total maintenance cost per kilometre.
With thirteen part numbers covering DAF series 1410, 1510, 587.15, 587.2, 287.4, 587.3, and 587.35, the EP-HS DAF Universal joint range means your workshop or distribution centre can consolidate DAF driveline stock under a single, trusted source. Cross-reference numbers align with DAF OEM codes and standard GKN references for seamless ordering. Having every DAF Universal joint variant available from one supplier simplifies purchasing, reduces lead times, and enables better stock planning.
Our logistics network supports regular export to Colombia, Peru, Ecuador, and across the broader Andean heavy-transport market. Parts are packaged individually with clear part-number labelling, full dimensional data, and bilingual (English/Spanish) technical sheets — meeting the practical requirements of customs clearance, DIAN import documentation, and end-user traceability in the Colombian market.
4. Universal Joint Working Principle
Understanding the universal joint working principle is essential for any technician or engineer specifying replacement parts. A Cardan-type universal joint consists of four primary elements: the cross-shaped trunnion (spider), four needle-roller bearing cups, snap rings or U-bolt caps, and the two yokes connecting to each shaft. As the input shaft rotates, the spider transmits torque to the output shaft through the bearing cups seated in the yoke eyes. Because the joints are arranged at 90° to each other on the spider, rotation can be transmitted through angles that would be impossible with a rigid coupling — typically up to 35° of operating angle on a standard truck driveshaft, though the ideal operating angle for maximum efficiency and minimum velocity fluctuation is below 7°.
The inherent characteristic of a single Cardan joint is a cyclic velocity fluctuation — the output shaft speeds up and slows down twice per revolution at any given joint angle. In driveshaft systems used on DAF CF, XF, and LF series trucks, engineers address this by placing two DAF Universal joint units on the propshaft phased at exactly 180°, cancelling the velocity variation and delivering smooth, uniform torque to the differential. When a DAF Universal joint wears — cup corrosion, needle-roller pitting, or seal failure — this balance is disrupted, manifesting as drivetrain vibration, a characteristic “clunk” on load changes, and uneven tyre wear. Identifying and scheduling DAF Universal joint replacement before it causes secondary damage to the driveshaft, transmission output flange, or differential pinion is a standard preventive maintenance practice in professional fleet workshops. Proactive DAF Universal joint inspection at every oil change interval is recommended by driveline engineers as the most cost-effective strategy for avoiding unplanned roadside breakdowns, particularly on Colombia’s mountain freight corridors where breakdown recovery is slow and costly. The DAF hs universal joint in the EP-HS series is designed to make that inspection — and replacement when needed — as simple and tool-friendly as possible.
5. Material & Manufacturing Standards
The DAF Universal joint quality that workshops and fleet operators have come to expect from the EP-HS range begins at the material selection stage. The trunnion (cross-spider) is precision-forged from 20CrMoTi or equivalent SAE 8620 chromium-molybdenum-titanium alloy steel — a grade chosen for its combination of high surface hardness after carburizing (58–62 HRC bearing journals) and tough, ductile core that absorbs road shock without brittle fracture.
Bearing cups are deep-drawn from cold-rolled bearing steel (equivalent to SAE 52100 / DIN 100Cr6), giving a consistent wall thickness critical for even load distribution across the needle-roller complement. Needle rollers themselves are manufactured to ISO 3096 dimensional standards, with surface finish Ra ≤ 0.2 µm to minimise friction and heat generation at operating speeds. Sealing lips are manufactured from NBR (nitrile-butadiene rubber) as standard, with FKM (Viton) compounds available for high-temperature or chemical-resistance applications — particularly relevant for vehicles operating in the warmer climate zones of Colombia’s Caribbean coast and Llanos region.
Heat treatment follows a carburize-quench-temper cycle verified by Rockwell hardness testing on every production batch. Final assembly passes dimensional inspection with calibrated go/no-go gauges aligned to the DAF OEM fitment specification, ensuring that every DAF Universal joint replacement unit leaves our facility ready to install directly onto the propshaft yoke without rework. When assessing DAF Universal joint quality, these manufacturing controls are what separate a part that lasts hundreds of thousands of kilometres from one that fails prematurely and creates costly downtime. Each EP-HS DAF Universal joint is individually packaged with a product label showing the part number, dimensional data, and batch traceability code — enabling straightforward stock identification in your workshop or warehouse.
6. Universal Joint Application Scenarios
The EP-HS DAF Universal joint assembly is engineered for the demanding conditions encountered across a wide spectrum of commercial vehicle applications. The following segments represent the primary fields where this component provides proven, reliable service.
Long-Haul Freight & Inter-City Transport
DAF CF and XF series trucks dominate Colombia’s primary freight corridors — the Bogotá–Buenaventura corridor, the Medellín–Barranquilla route, and trans-Andean passes such as La Línea. These applications see sustained highway speeds with repeated load-cycles that stress propshaft components relentlessly. The EP-HS DAF Universal joint is rated for the torque levels generated by DAF’s 10.8-litre and 12.9-litre PACCAR engines, providing the fatigue life needed to reach scheduled maintenance intervals without unplanned replacement on these demanding routes.
Mining & Construction Fleet Operations
Colombia’s coal and gold mining regions — Cesar, Córdoba, and Antioquia departments — operate heavy dump trucks and on-highway rigids under severe duty cycles involving rough unpaved haul roads, steep gradients, and maximum payload. In these environments, every DAF Universal joint in truck drivelines is subjected to high shock loads, articulation angles, and vibration that shorten component life. The forged CrMo construction of the EP-HS spider trunnion resists impact fatigue, and the robust needle-roller bearing assembly maintains load capacity even when joints operate at larger-than-ideal angles.
Agricultural & Agribusiness Logistics
The agricultural heartlands of Colombia — sugar cane in Valle del Cauca, coffee in the Eje Cafetero, and banana in Urabá — depend on reliable truck fleets for harvest-to-port logistics. In this segment, seasonal peak-load periods mean trucks run at or near GVW continuously for months, and workshop access may be limited. The sealed or re-greaseable bearing options in the EP-HS DAF Universal joint replacement range give fleet operators the flexibility to choose a maintenance interval that matches their operational reality, from weekly greasing to extended-life sealed units that suit remote agribusiness depots.
Steering Column & Steering Universal Joint
Beyond main driveshafts, the EP-HS series also covers smaller-diameter steering applications. The steering universal joint transmits driver input from the steering column through angular bends to the steering gear or rack. A worn steering column universal joint manifests as play, erratic steering response, and abnormal effort — faults that directly compromise vehicle safety. Our precision-ground universal steering joint variants meet the dimensional and angular-misalignment specifications required for DAF LF and CF cab steering systems.
PTO & Auxiliary Drive Systems
Power take-off systems on DAF trucks — driving hydraulic pumps for tipper bodies, cement mixers, and refrigeration units — rely on secondary propshafts fitted with universal impact joint configurations to handle the angular misalignment between the PTO output and the driven equipment. The EP-HS series covers the compact, high-angle joints needed in these tight installation envelopes, transmitting full PTO torque reliably throughout the vehicle’s operational life.
7. Regulatory & Compliance Framework
Procurement decisions for drivetrain components like the DAF Universal joint are shaped not only by technical performance but also by the regulatory environment that governs vehicle safety and aftermarket parts in the target market. The following standards and regulations are directly relevant.
Colombia (Ministerio de Transporte / INVIAS)
In Colombia, vehicle safety and roadworthiness are regulated under Decreto 1079 de 2015 (Decreto Único Reglamentario del Sector Transporte), which consolidates requirements for commercial vehicle maintenance and inspection. The Resolución 3500 de 2005 (and subsequent updates) establishes the technical-mechanical inspection (revisión técnico-mecánica) scheme administered by CDA centres, which evaluates driveline integrity including the DAF Universal joint as part of the underbody inspection. A failed or excessively worn DAF hs universal joint replacement will not pass the Colombian RTM inspection, creating legal liability for the vehicle operator. Parts used in repairs must demonstrate traceability; EP-HS DAF Universal joint components are supplied with batch-level quality records to satisfy this requirement. For fleet managers responsible for commercial vehicles operating under RUNT registration in Colombia, selecting a certified DAF Universal joint supplier is both a compliance obligation and a commercial necessity — insurance claims and liability disputes increasingly reference part traceability as a condition of coverage.
European ECE-R13 / ECE-R55 & EU Regulation 2018/858
Because DAF is a European OEM (part of PACCAR Inc., Netherlands), its vehicles are type-approved under EU framework regulations. EU Regulation 2018/858 governs vehicle type approval, while ECE-R55 specifically covers mechanical coupling devices. Replacement drivetrain parts sold into the EU aftermarket must not degrade the vehicle’s compliance with the original type approval — a standard that EP-HS components are designed to meet by faithfully replicating OEM geometry and material specifications.
ISO Quality Management Standards
Manufacturing facilities producing universal joint components for the global aftermarket are expected to operate under ISO 9001 quality management systems. Additional sector-specific standards such as IATF 16949 (automotive quality management) govern process control, dimensional tolerance verification, and traceability — all of which underpin the DAF Universal joint quality assurance programme behind the EP-HS series.
Other Regional Regulations
In Peru, the Reglamento Nacional de Vehículos (DS N° 058-2003-MTC) and the technical inspection programme (CITV) carry parallel requirements to Colombia’s RTM. Ecuador’s ANT (Agencia Nacional de Tránsito) under the LOTTTSV framework also mandates periodic technical inspections that include driveline evaluation. For operators and distributors serving these Andean markets, using certified, traceable aftermarket parts such as the EP-HS DAF Universal joint assembly ensures compliance across borders.
8. ہمارے بارے میں
We are a specialised manufacturer and global supplier of automotive drivetrain components, with deep expertise in DAF Universal joint assemblies, axle shafts, wheel hubs, and related power-transmission parts for commercial vehicles. Our engineering team maintains an extensive OEM cross-reference database covering European, Asian, and American truck and bus brands — including DAF, Volvo, Scania, Mercedes-Benz, MAN, and HINO — enabling precise fitment validation before any DAF Universal joint product reaches market. Years of field experience and close collaboration with fleet operators across Colombia, Brazil, and Mexico have shaped our understanding of what makes a DAF Universal joint truly perform under real-world Latin American road conditions.
Our production facilities are equipped with CNC turning and grinding centres, computerised heat-treatment lines, and coordinate measuring machines (CMM) for post-process dimensional verification. Every batch of DAF Universal joint assemblies undergoes incoming raw-material inspection, in-process quality checks at forming, heat treatment, and assembly stages, and final outgoing inspection before packing. This discipline allows us to supply parts that perform at OEM level at aftermarket pricing, making us a preferred partner for distributors and fleet operators in South America, Southeast Asia, the Middle East, and Africa.
ورک شاپ
9. Related Products — Complete Driveline Solutions
The DAF Universal joint is one part of a wider driveline system. For optimal performance and system compatibility, we also produce the following complementary components — giving your workshop or distribution business a one-stop source for complete driveline supply.
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