{"id":304,"date":"2026-05-06T06:41:23","date_gmt":"2026-05-06T06:41:23","guid":{"rendered":"https:\/\/automatictransmissionpart.com\/?post_type=product&p=304"},"modified":"2026-05-06T06:41:23","modified_gmt":"2026-05-06T06:41:23","slug":"ep-heavy-duty-truck-and-truck-trailer-wheel-for-north-america","status":"publish","type":"product","link":"https:\/\/automatictransmissionpart.com\/ar\/product\/ep-heavy-duty-truck-and-truck-trailer-wheel-for-north-america\/","title":{"rendered":"\u0639\u062c\u0644\u0627\u062a \u0627\u0644\u0634\u0627\u062d\u0646\u0627\u062a \u0627\u0644\u062b\u0642\u064a\u0644\u0629 \u0648\u0645\u0642\u0637\u0648\u0631\u0627\u062a \u0627\u0644\u0634\u0627\u062d\u0646\u0627\u062a \u0645\u0646 \u0646\u0648\u0639 EP \u0644\u0623\u0645\u0631\u064a\u0643\u0627 \u0627\u0644\u0634\u0645\u0627\u0644\u064a\u0629"},"content":{"rendered":"
\n

EP-Heavy Duty Truck and Truck Trailer Wheel<\/h2>\n

For North America \u2014 Regular Weight Series | Steel Disc Wheel Solutions for Commercial Fleets<\/p>\n<\/div>\n

1. Truck Trailer Wheel Parameter Table \u2014 North America Regular Weight Series<\/h2>\n
\n\n\n\n\n\n\n\n\n\n\n\n<\/colgroup>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Part No.<\/th>\n\u0645\u0642\u0627\u0633<\/th>\nBolts<\/th>\n\u0642\u0637\u0631 \u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0641\u0648\u062a\u0648\u0646\u0627\u062a (\u0645\u0645)<\/th>\n\u0642\u0637\u0631 \u0627\u0644\u0628\u0631\u063a\u064a (\u0645\u0645)<\/th>\n\u0627\u0644\u0641\u062a\u062d\u0629 \u0627\u0644\u0645\u0631\u0643\u0632\u064a\u0629 (\u0645\u0645)<\/th>\n\u0627\u0644\u0625\u0632\u0627\u062d\u0629 (\u0645\u0645)<\/th>\nHand Hole<\/th>\n\u0623\u0642\u0635\u0649 \u062d\u0645\u0648\u0644\u0629 (\u0628\u0627\u0644\u0631\u0637\u0644)<\/th>\n\u064a\u0642\u0648\u062f\u0647\u0627 \u0637\u064a\u0627\u0631<\/th>\n<\/tr>\n<\/thead>\n
JG42SW05<\/td>\n17.5\u00d76.75<\/td>\n8<\/td>\n275<\/td>\n20<\/td>\n221<\/td>\n142<\/td>\n2<\/td>\n5675<\/td>\n\u0645\u064e\u0631\u0643\u064e\u0632<\/td>\n<\/tr>\n
JG42SW11<\/td>\n17.5\u00d76.75<\/td>\n8<\/td>\n275<\/td>\n26<\/td>\n221<\/td>\n142<\/td>\n4<\/td>\n5675<\/td>\n\u0645\u064e\u0631\u0643\u064e\u0632<\/td>\n<\/tr>\n
JG42SW16<\/td>\n17.5\u00d76.75<\/td>\n10<\/td>\n222.25<\/td>\n32<\/td>\n165.1<\/td>\n157<\/td>\n2<\/td>\n5675<\/td>\n\u0639\u0634\u064a\u0642<\/td>\n<\/tr>\n
JG42SW12<\/td>\n17.5\u00d76.75<\/td>\n8<\/td>\n165.1<\/td>\n17.3<\/td>\n121<\/td>\n12.7<\/td>\n\/<\/td>\n6005<\/td>\n\u0645\u064e\u0631\u0643\u064e\u0632<\/td>\n<\/tr>\n
JG42SW07<\/td>\n17.5\u00d76.75<\/td>\n8<\/td>\n165.1<\/td>\n17.3<\/td>\n121<\/td>\n-12.7<\/td>\n\/<\/td>\n6005<\/td>\n\u0645\u064e\u0631\u0643\u064e\u0632<\/td>\n<\/tr>\n
JG52SW21<\/td>\n22.5\u00d77.50<\/td>\n10<\/td>\n285.75<\/td>\n26<\/td>\n220<\/td>\n165<\/td>\n10<\/td>\n7400<\/td>\n\u0645\u064e\u0631\u0643\u064e\u0632<\/td>\n<\/tr>\n
JG52SW01<\/td>\n22.5\u00d77.50<\/td>\n10<\/td>\n285.75<\/td>\n32<\/td>\n222<\/td>\n155<\/td>\n2<\/td>\n7400<\/td>\n\u0639\u0634\u064a\u0642<\/td>\n<\/tr>\n
JG28SW32<\/td>\n22.5\u00d78.25<\/td>\n10<\/td>\n285.75<\/td>\n26<\/td>\n220<\/td>\n168<\/td>\n5<\/td>\n7400<\/td>\n\u0645\u064e\u0631\u0643\u064e\u0632<\/td>\n<\/tr>\n
JG28SW35<\/td>\n22.5\u00d78.25<\/td>\n10<\/td>\n285.75<\/td>\n32<\/td>\n222<\/td>\n168<\/td>\n5<\/td>\n7400<\/td>\n\u0639\u0634\u064a\u0642<\/td>\n<\/tr>\n
JG28SW40<\/td>\n22.5\u00d78.25<\/td>\n10<\/td>\n285.75<\/td>\n26<\/td>\n220<\/td>\n168<\/td>\n2<\/td>\n8000<\/td>\n\u0645\u064e\u0631\u0643\u064e\u0632<\/td>\n<\/tr>\n
JG28SW41<\/td>\n22.5\u00d78.25<\/td>\n10<\/td>\n285.75<\/td>\n32<\/td>\n222<\/td>\n168<\/td>\n2<\/td>\n8000<\/td>\n\u0639\u0634\u064a\u0642<\/td>\n<\/tr>\n
JG29SW10<\/td>\n22.5\u00d79.00<\/td>\n10<\/td>\n285.75<\/td>\n26<\/td>\n220<\/td>\n178<\/td>\n2<\/td>\n9000<\/td>\n\u0645\u064e\u0631\u0643\u064e\u0632<\/td>\n<\/tr>\n
JG29SW11<\/td>\n22.5\u00d79.00<\/td>\n10<\/td>\n285.75<\/td>\n26<\/td>\n220<\/td>\n178<\/td>\n5<\/td>\n9000<\/td>\n\u0645\u064e\u0631\u0643\u064e\u0632<\/td>\n<\/tr>\n
JG61SW02<\/td>\n22.5\u00d712.25<\/td>\n10<\/td>\n285.75<\/td>\n26<\/td>\n220<\/td>\n149.3<\/td>\n5<\/td>\n9900<\/td>\n\u0639\u0634\u064a\u0642<\/td>\n<\/tr>\n
JG61SW01<\/td>\n22.5\u00d713.00<\/td>\n10<\/td>\n285.75<\/td>\n26<\/td>\n220<\/td>\n136.6<\/td>\n5<\/td>\n9900<\/td>\n\u0639\u0634\u064a\u0642<\/td>\n<\/tr>\n
JG76SW01<\/td>\n22.5\u00d714.00<\/td>\n10<\/td>\n285.75<\/td>\n26<\/td>\n220<\/td>\n-49<\/td>\n5<\/td>\n12000<\/td>\n\u0645\u064e\u0631\u0643\u064e\u0632<\/td>\n<\/tr>\n
JG47SW08<\/td>\n24.5\u00d78.25<\/td>\n10<\/td>\n285.75<\/td>\n26<\/td>\n220<\/td>\n168<\/td>\n2<\/td>\n7400<\/td>\n\u0645\u064e\u0631\u0643\u064e\u0632<\/td>\n<\/tr>\n
JG47SW09<\/td>\n24.5\u00d78.25<\/td>\n10<\/td>\n285.75<\/td>\n26<\/td>\n220<\/td>\n168<\/td>\n5<\/td>\n7400<\/td>\n\u0645\u064e\u0631\u0643\u064e\u0632<\/td>\n<\/tr>\n
JG47SW04<\/td>\n24.5\u00d78.25<\/td>\n10<\/td>\n285.75<\/td>\n32<\/td>\n222<\/td>\n168<\/td>\n2<\/td>\n7400<\/td>\n\u0639\u0634\u064a\u0642<\/td>\n<\/tr>\n
JG47SW05<\/td>\n24.5\u00d78.25<\/td>\n10<\/td>\n285.75<\/td>\n32<\/td>\n222<\/td>\n168<\/td>\n5<\/td>\n7400<\/td>\n\u0639\u0634\u064a\u0642<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n<\/div>\n

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

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2. Heavy Duty Truck and Truck Trailer Wheel for North America \u2014 Regular Weight<\/h2>\n

The EP-NA Regular Weight series is a comprehensive range of heavy duty truck trailer wheel products engineered specifically for the North American commercial vehicle market, covering steer, drive, and trailer axle positions across rim sizes from 17.5 inches through 24.5 inches. Every truck trailer wheel in this lineup is manufactured from high-tensile steel using roll-forming and stamping processes, delivering the structural integrity demanded by Class 6, Class 7, and Class 8 trucks, semi-trailers, and full trailers operating across North American highway networks and increasingly, the growing long-haul freight corridors through Latin America including Colombia, Mexico, and the broader Andean region. With maximum load ratings reaching up to 12,000 LBS per wheel position and bolt-circle configurations matched to the most prevalent North American hub standards, this series represents a dependable choice for fleet operators seeking proven truck wheel engineering at competitive landed cost.<\/p>\n

Each heavy duty truck trailer wheel in this range is produced on automated roll-forming lines with in-line 100 percent quality inspection, covering dimensional runout, dynamic balance, harmonics, weld penetration verification, and air leak testing. The manufacturing process integrates high-strength steel grades and precision tooling sourced from Germany, Sweden, Spain, Japan, and the USA, resulting in wheel disc and rim assemblies that consistently meet or exceed the performance thresholds established by the Tire and Rim Association (TRA) and the applicable FMVSS standards governing commercial vehicle wheel safety in North America. Colombian fleet operators and importers will find this truck trailer wheel series directly compatible with the most common Kenworth, Peterbilt, Freightliner, International, and Volvo hub configurations, simplifying procurement, inventory management, and cross-fleet standardisation.<\/p>\n<\/div>\n

<\/p>\n

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3. Five Key Advantages of This Truck Trailer Wheel Series<\/h2>\n
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1. Wide Range Coverage \u2014 One Series for Multiple Axle Positions<\/h3>\n

The North America Regular Weight product family spans rim widths of 6.75, 7.50, 8.25, 9.00, 12.25, 13.00, and 14.00 inches across 17.5-inch, 22.5-inch, and 24.5-inch nominal diameters. This breadth means a single supplier relationship covers steer axle truck wheels, drive axle duals, and trailer axle positions for virtually every Class 6\u20138 configuration in the Colombian import market. Part numbers such as JG42SW, JG52SW, JG28SW, JG29SW, JG47SW, JG61SW, and JG76SW represent distinct dimensional families, each offering both HUB-piloted and STUD-piloted mounting variants to suit different hub interface requirements \u2014 eliminating the sourcing friction that comes from managing multiple specialist suppliers.<\/p>\n<\/div>\n

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2. North American PCD Standard Compatibility<\/h3>\n

All wheels in this regular weight series are dimensioned to the prevailing North American bolt circle standards. The 285.75 mm PCD (Pitch Circle Diameter) with 10-bolt configuration dominates the 22.5-inch and 24.5-inch heavy truck segment and is standard fitment on Freightliner Cascadia, Kenworth T680, Peterbilt 579, and Volvo VNL platforms. The 17.5-inch variants offer 8-bolt layouts on 275 mm and 165.1 mm PCDs to address medium-duty and specialty applications. These specifications ensure that every truck trailer wheel replacement or fleet-new-build procurement integrating this series will achieve correct hub piloting, proper lug nut seating, and verified clamping force under FMVSS 120 torque protocols \u2014 critical for safe operation in Colombian road conditions.<\/p>\n<\/div>\n

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3. Proven Maximum Load Ratings Up to 12,000 LBS<\/h3>\n

Load capacity across the range scales from 5,675 LBS per wheel for 17.5\u00d76.75 steer applications up to 12,000 LBS for the JG76SW01 22.5\u00d714.00 wide-base configuration \u2014 enabling fleet engineers to select precisely the load rating required by their GVW calculations without over-specifying. Intermediate ratings of 6,005 LBS, 7,400 LBS, 8,000 LBS, 9,000 LBS, and 9,900 LBS address the full spectrum of loaded semi-trailer and heavy haul requirements. For Colombian operators running at the national maximum GVW of 48 tonnes for combination vehicles, these load ratings provide the margin needed to pass periodic technical inspection (Revisi\u00f3n T\u00e9cnico-Mec\u00e1nica) without compromise.<\/p>\n<\/div>\n

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4. Precision Offset Engineering for Correct Track Width<\/h3>\n

Offset values across this truck trailer wheel series are carefully engineered to maintain correct track width, hub clearance, and spring-to-tyre clearance for North American vehicle platforms. Positive offsets ranging from 4.85 mm through 178 mm, zero offset, and negative offsets down to -49 mm are all represented within the part number matrix, giving fleet maintenance engineers and OEM vehicle builders the exact dimensional control required for safe and legal vehicle configuration. The wide-base JG76SW01 at -49 mm offset is specifically designed for super-single tyre applications where extended track width reduces trailer body intrusion while improving stability under crosswind conditions on Colombia’s Andean highways.<\/p>\n<\/div>\n

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5. National Level Testing Validation and ISO Quality Certification<\/h3>\n

Every truck trailer wheel design in this range is validated at a national-level testing centre equipped with wheel cornering fatigue machines, radial fatigue rigs compliant with American ITS standards, German RMS cornering fatigue testing equipment, 13\/30\/90-degree impact test facilities, dynamic balance inspection, air leakage testing apparatus, CMM dimensional inspection, X-ray fluorescence spectral analysis, and salt spray corrosion testing. Production quality is governed by ISO 9001, with 100 percent in-line inspection covering runout, balance, harmonics, and leak performance. This testing infrastructure means that every truck wheel shipped carries validated performance data rather than estimated performance.<\/p>\n<\/div>\n<\/div>\n

<\/p>\n

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4. How a Heavy Duty Truck Trailer Wheel Functions<\/h2>\n

A truck trailer wheel serves four simultaneous mechanical roles: it provides the structural mounting interface between the vehicle axle hub and the tyre, it transmits braking and driving forces between the tyre contact patch and the hub, it manages the heat generated by braking through conduction into the surrounding air via hand holes and the disc geometry, and it maintains precise tyre bead seating under the dynamic loads imposed by road surface irregularities, cornering, and payload variation. Understanding each function helps fleet engineers evaluate why specification details like offset, centre hole diameter, pilot type, and hand hole quantity directly affect real-world performance and safety rather than being arbitrary catalogue parameters.<\/p>\n

The disc-and-rim construction used across the EP-NA series consists of two rolled and stamped steel components joined by circumferential resistance welding. The rim \u2014 the outer cylindrical section \u2014 supports the tyre bead seats, the drop centre well for tyre mounting, and the safety humps that retain the tyre bead under deflated conditions. The disc \u2014 the inner flanged plate \u2014 provides the hub mounting face with precisely located bolt holes or stud holes, the centre pilot bore, and the hand holes that serve dual functions as a grip point for wheel handling and as a brake ventilation port. When assembled onto the hub with the correct truck trailer wheel nut torque applied to specification \u2014 typically between 450 and 500 ft-lb for 10-bolt 22.5-inch North American truck wheels \u2014 the clamped joint distributes braking and acceleration forces through the entire disc cross-section rather than concentrating stress at the bolt holes, achieving the fatigue life validated in the cornering and radial test programs.<\/p>\n<\/div>\n

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5. Material construction and steel technology of truck trailer wheel<\/h2>\n

The EP-NA Regular Weight truck trailer wheel range is built from high-tensile steel sheet and coil stock processed through roll-forming and press-stamping operations using tooling and process parameters refined over decades of commercial vehicle wheel production. The rim sections are formed on Dutch Fontijne roll-forming equipment \u2014 among the most precise rim forming machines available globally \u2014 which flows the steel around a series of progressive forming rolls rather than stamping it in a single press stroke. This flow-forming approach allows the rim wall thickness to be thinned in areas of lower stress concentration while maintaining full thickness in the flange and bead seat zones, achieving the weight targets of the regular weight designation without compromising the structural cross-sections that govern fatigue life. The disc blanks are pressed and trimmed from heavy-gauge coil on high-tonnage presses, with the bolt holes, hand holes, and valve hole either punched in the same operation or in a secondary piercing stage depending on tolerancing requirements.<\/p>\n

For the high-strength regular weight series, the steel grade selection includes dual-phase and high-strength low-alloy grades with yield strengths in the 590 MPa to 780 MPa range \u2014 materials labelled SPFH590, DP600, and DP780 in the manufacturing process documentation. These grades allow the wheel disc mass to be reduced by 15 to 30 percent compared to equivalent conventional mild steel designs, addressing fuel economy and axle weight regulations without sacrificing the load ratings or fatigue performance that fleet operators require. The weld joining the disc to the rim employs resistance projection welding with parameters validated by weld penetration testing and metallographic examination at the production qualification stage. A surface treatment and paint system appropriate for commercial vehicle service completes each wheel, with salt spray resistance verified to the intervals specified in the applicable FMVSS and ISO corrosion test standards.<\/p>\n<\/div>\n

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

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6. Application Scenarios for This Truck Trailer Wheel Series<\/h2>\n
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Long-Haul Semi-Trailer Operations \u2014 Colombia and North America<\/h3>\n

The 22.5\u00d78.25 and 22.5\u00d77.50 heavy duty truck trailer wheel configurations are the backbone of interstate long-haul trucking throughout Colombia and North American markets. Mounted on Kenworth, Peterbilt, and Freightliner platforms operating the Bogot\u00e1-Buenaventura and Bogot\u00e1-Barranquilla corridors, these wheels carry refrigerated, dry van, and flatbed semi-trailers at gross combination weights approaching Colombia’s legal maximum. The 285.75 mm PCD with 10 \u00d7 26 mm hub-piloted mounting is the dominant interface specification on all these platforms, ensuring procurement simplicity for fleet purchasing departments managing cross-border Colombia-Ecuador-Peru truck operations.<\/p>\n<\/div>\n

\n

Cement, Bulk Material, and Construction Tanker Trailers<\/h3>\n

Heavy bulk trailer operations carrying cement, sand, and aggregates for Colombia’s construction sector operate at higher axle loads and with more frequent overloading incidents than general freight. The 22.5\u00d78.25 wheels rated to 8,000 LBS per position \u2014 part numbers JG28SW40 and JG28SW41 \u2014 provide a load rating margin above the standard 7,400 LBS tier, offering additional durability reserve for these demanding duty cycles. Stud-piloted variants support applications where the hub face geometry requires threaded stud mounting rather than hub-piloted bowl seating.<\/p>\n<\/div>\n

\n

Wide-Base Super-Single Tyre Applications<\/h3>\n

The JG76SW01 at 22.5\u00d714.00 with a -49 mm offset is designed to support 385\/55R22.5 and 445\/50R22.5 wide-base single tyres \u2014 the super-single configuration used on trailer axles to reduce total wheel weight per axle by replacing dual-tyre assemblies. Colombian freight carriers seeking to maximise payload on multi-axle trailers while staying within legal axle load limits increasingly specify super-single arrangements. The negative offset positions the tyre contact patch correctly for trailer body clearance and aerodynamic trailer skirt compatibility, while the 12,000 LBS load rating accommodates the higher per-wheel loads that result from replacing a dual-tyre pair with a single wide-base unit.<\/p>\n<\/div>\n

\n

Medium-Duty Distribution Trucks and Vocational Vehicles<\/h3>\n

The 17.5\u00d76.75 series addresses Class 6 and lower Class 7 trucks \u2014 beverage delivery vehicles, municipal refuse collection trucks, and utility work trucks common in Colombian urban centres like Bogot\u00e1, Medell\u00edn, and Cali. Load ratings of 5,675 LBS and 6,005 LBS suit the lighter axle loads of these vocational platforms, while the 165.1 mm and 275 mm PCD options cover the hub configurations prevalent on Isuzu NPR, Mercedes Atego, and similar medium-duty truck families widely operated by Colombian distribution fleets.<\/p>\n<\/div>\n

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Mining and Heavy Haul Trailer Operations<\/h3>\n

Colombia’s mining sector \u2014 particularly coal extraction in Cesar and La Guajira departments \u2014 demands truck wheels for heavy haul vehicles operating under extreme payload and road surface conditions. The 22.5\u00d712.25 and 22.5\u00d713.00 wide-rim configurations support wide-section drive axle tyres on heavy payload vehicles, with the 9,900 LBS load ratings providing the capacity margin needed for regulated mining haul operations. The STUD-piloted mounting of the JG61SW series suits the rear tandem axle configurations typical of heavy mining tippers and aggregate carriers that dominate these sectors.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

<\/p>\n

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7. Regulatory Standards and Market Compliance<\/h2>\n

Commercial vehicle truck trailer wheel components must conform to an overlapping framework of national and international regulations governing design, manufacturing quality, and in-service performance. Procurement and engineering teams in Colombia and across North America should evaluate the following regulatory landscape when qualifying truck wheel suppliers for their vehicle programs and fleet operations.<\/p>\n

FMVSS 120 (USA \u2014 Federal Motor Vehicle Safety Standard):<\/strong> Governs wheel and rim systems installed on motor vehicles with a GVWR over 4,536 kg. Specifies dimensional interchangeability with TRA standards, marking requirements, maximum load rating labelling, and the restriction against rim component intermixing. All EP-NA regular weight series wheels are designed to dimensional specifications compliant with FMVSS 120 applicable requirements.<\/p>\n

TRA (Tire and Rim Association) Standards:<\/strong> The authoritative source for dimensional interchangeability between tyres and wheels in North America. Wheel rim contour codes, flange heights, bead seat diameters, and drop centre geometries in the EP-NA series are designed to TRA publication specifications, ensuring correct tyre-to-rim fitment and bead retention safety hump engagement for the tyre size ranges applicable to each wheel configuration.<\/p>\n

Resoluci\u00f3n 3500 de 2005 \u2014 Colombia (RUNT):<\/strong> Colombia’s national register system for vehicles and automotive parts requires documentation of technical characteristics for all commercial vehicle components, including truck trailer wheels. Importers of heavy truck wheels into Colombia must maintain technical specification documentation and compliance declarations as part of the customs clearance and RUNT registration process for new vehicles and replacement parts.<\/p>\n

Decreto 1609 de 2002 \u2014 Colombia:<\/strong> Governs the transport of hazardous materials on Colombian roads, which includes regulatory requirements for the vehicle’s roadworthiness status. Truck wheels must be inspected and verified to meet load rating requirements during the Revisi\u00f3n T\u00e9cnico-Mec\u00e1nica (RTM) process for vehicles carrying dangerous goods, reinforcing the importance of using wheels with documented and certified load ratings.<\/p>\n

ISO 3006 and ETRTO Standards:<\/strong> These international standards govern truck wheel rim dimensional specifications and mark the European equivalent to TRA for fleet operators purchasing vehicles with mixed North American and European hub configurations. Both systems converge on the 285.75 mm PCD 10-bolt standard for heavy truck applications, making the EP-NA series cross-compatible with European-specification Volvo, Scania, and DAF trucks imported into the Colombian market.<\/p>\n<\/div>\n

<\/p>\n

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8. About our heavy duty truck trailer wheel manufacturing capability<\/h2>\n

Our manufacturing operation has built its reputation as a trusted global supplier of steel truck wheels through sustained investment in production technology, testing infrastructure, and engineering expertise that spans passenger car wheels through the heaviest commercial vehicle applications. The production facility operates multiple dedicated truck wheel disc lines and rim roll-forming lines, with an annual output capacity exceeding 25 million wheels across all product categories. For the heavy duty truck and truck trailer wheel segment, the facility employs fully automated press, welding, and handling operations \u2014 including industrial robotic welding cells and automated balance inspection equipment \u2014 that ensure each wheel leaving the plant has been verified against its dimensional and performance specification without manual measurement variation.<\/p>\n

This depth of expertise is reflected in the systematic approach to truck trailer wheel development \u2014 from initial FEA simulation of disc cross-sections and rim flange geometries through prototype manufacturing, physical test validation at the national-level testing centre, and production PPAP documentation for OEM customers. First-tier supply relationships with global vehicle manufacturers including GM, Ford, Volvo, SAIC, BYD, and JAC provide the volume and quality discipline that translates directly to the reliability our commercial aftermarket and fleet customers experience in service.<\/p>\n

\u0648\u0631\u0634\u0629 \u0639\u0645\u0644<\/h3>\n
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\"Factory<\/div>\n
\"Factory<\/div>\n
\"\u0622\u0644\u0629<\/div>\n
\"Factory<\/div>\n<\/div>\n<\/div>\n

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9. Compatible Drivetrain and Axle Components<\/h2>\n

A truck trailer wheel performs at its best when the surrounding axle assembly is engineered to the same standards. We supply a coordinated range of heavy duty truck and trailer axle components that integrate directly with the EP-NA wheel series, enabling one-stop sourcing for fleet new-builds, trailer manufacturers, and maintenance workshops across Colombia and the broader Latin American market. Consolidating wheel and axle component procurement with a single supplier eliminates interface specification mismatches, simplifies supplier qualification, and reduces inbound logistics complexity for purchasing departments managing multiple supply streams.<\/p>\n

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\u0645\u062d\u0627\u0648\u0631 \u0627\u0644\u0639\u062c\u0644\u0627\u062a<\/h3>\n

\"\u0648\u062d\u062f\u0629<\/p>\n<\/div>\n

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\u0645\u062d\u0648\u0631 \u0627\u0644\u0645\u0642\u0637\u0648\u0631\u0629<\/h3>\n

\"\u0645\u0646\u062a\u062c\u0627\u062a<\/p>\n<\/div>\n<\/div>\n<\/div>\n

<\/p>\n

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\u0627\u0644\u0623\u0633\u0626\u0644\u0629 \u0627\u0644\u0634\u0627\u0626\u0639\u0629<\/h2>\n
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\nQ1. What is the correct truck trailer wheel nut torque specification for the 22.5-inch heavy duty truck wheels in this series?<\/summary>\n
The recommended truck trailer wheel nut torque for 10-bolt 22.5-inch hub-piloted wheels with M22\u00d71.5 stud thread is typically in the range of 450 to 500 ft-lb (610 to 680 N\u00b7m) for steel lug nuts, applied in a star pattern in three progressive torque stages. For STUD-piloted wheels with 32 mm bolt diameter, the torque specification will vary by stud thread specification \u2014 always verify against the vehicle OEM’s service manual or the wheel manufacturer’s published torque table for the specific part number. After initial fitment, we recommend a torque re-check at 50 to 100 miles, as initial bedding of the wheel-to-hub contact surface can cause slight relaxation of clamping force.<\/div>\n<\/details>\n<\/div>\n
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\nQ2. What truck trailer wheel supplier in Colombia or Latin America can provide certified heavy duty wheels with documented load ratings and test reports?<\/summary>\n
Colombian fleet managers and importers sourcing certified heavy duty truck and truck trailer wheel products should request documentation including batch-level dimensional inspection reports, third-party fatigue test validation reports (cornering and radial fatigue), salt spray corrosion test results, and load rating certification traceable to the specific part number. Our EP-NA series can be supplied with all standard commercial documentation required for Colombian customs clearance and RUNT component registration, including certificate of origin, commercial invoice with HS code classification, and technical specification sheets in Spanish and English.<\/div>\n<\/details>\n<\/div>\n
\n
\nQ3. When should I consider upgrading from regular weight to light weight truck trailer wheels for my Colombian freight fleet?<\/summary>\n
The decision to upgrade from regular weight to light weight truck trailer wheel configurations is driven primarily by payload economics and regulatory compliance. Colombia’s national freight regulations set maximum axle loads at 10.5 tonnes for a single driven axle, with combination GVW limits varying by vehicle configuration. When a fleet is consistently operating close to legal GVW limits, reducing unsprung wheel mass \u2014 typically 15 to 20 percent lighter per wheel in the light weight series versus regular weight \u2014 directly increases the available payload capacity by that equivalent amount per axle. For fleets with consistent high-density payloads such as beverages, bagged cement, or steel coil, the payload gain typically justifies the modest premium of the light weight series within two to three years of operation.<\/div>\n<\/details>\n<\/div>\n
\n
\nQ4. How do dually truck wheel configurations compare to super-single wide-base trailer wheels for Colombian semi-trailer applications?<\/summary>\n
Dually truck wheels \u2014 the dual-tyre configuration with an inner and outer wheel on each hub position \u2014 distribute load across two tyres per hub and provide a safety margin in the event of single tyre failure, as the vehicle can continue operating on the remaining tyre. Super-single wide-base trailer wheels replace each dual pair with one wide tyre, reducing unsprung weight per axle by approximately 60 kg while lowering rolling resistance and improving fuel economy by roughly 3 to 6 percent on highway runs. For Colombian operations, the trade-off consideration includes tyre availability in remote areas \u2014 dual tyres remain more widely available at roadside repair shops \u2014 and the risk tolerance for tyre failure in areas with limited breakdown recovery service. Many Colombian fleet operators run dual configuration on trailers operating off-highway routes and super-singles on dedicated highway semi-trailer operations.<\/div>\n<\/details>\n<\/div>\n<\/div>\n

\u0627\u0644\u0645\u062d\u0631\u0631: PXY<\/p>","protected":false},"excerpt":{"rendered":"

This truck trailer wheel series covers rim sizes from 17.5\u00d76.75<\/strong> to 24.5\u00d78.25<\/strong>, including widths of 7.50, 8.25, 9.00, 12.25, 13.00, and 14.00 inches in the 22.5-inch diameter range \u2014 designed for Class 6\u20138 trucks and semi-trailers operating on North American standards.<\/p>\n

Bolt configurations are 8-bolt<\/strong> (17.5-inch variants) and 10-bolt<\/strong> (22.5-inch and 24.5-inch variants). Bolt circle diameters include 165.1 mm<\/strong>, 222.25 mm<\/strong>, and the dominant North American heavy truck standard of 285.75 mm PCD<\/strong>. Bolt hole diameters are 17.3 mm<\/strong>, 26 \u0645\u0645<\/strong>, or 32 mm<\/strong> depending on variant. Center hole diameters range from 121 mm to 222 mm<\/strong>.<\/p>\n

Both HUB-piloted<\/strong> and STUD-piloted<\/strong> mounting styles are available across the product line. Offset values span from -49 mm to +178 mm<\/strong>, accommodating diverse axle and track width requirements.<\/p>\n

Maximum load ratings range from 5,675 LBS<\/strong> (17.5-inch steer) up to 12,000 LBS<\/strong> (JG76SW01, 22.5\u00d714.00), with intermediate ratings of 6,005 \/ 7,400 \/ 8,000 \/ 9,000 \/ 9,900 LBS covering the full spectrum of commercial vehicle axle load requirements.<\/p>","protected":false},"featured_media":305,"template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[26],"product_tag":[],"class_list":{"0":"post-304","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-truck-trailer-wheel","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/automatictransmissionpart.com\/ar\/wp-json\/wp\/v2\/product\/304","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/automatictransmissionpart.com\/ar\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/automatictransmissionpart.com\/ar\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/automatictransmissionpart.com\/ar\/wp-json\/wp\/v2\/media\/305"}],"wp:attachment":[{"href":"https:\/\/automatictransmissionpart.com\/ar\/wp-json\/wp\/v2\/media?parent=304"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/automatictransmissionpart.com\/ar\/wp-json\/wp\/v2\/product_brand?post=304"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/automatictransmissionpart.com\/ar\/wp-json\/wp\/v2\/product_cat?post=304"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/automatictransmissionpart.com\/ar\/wp-json\/wp\/v2\/product_tag?post=304"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}