{"id":293,"date":"2026-05-06T05:03:44","date_gmt":"2026-05-06T05:03:44","guid":{"rendered":"https:\/\/automatictransmissionpart.com\/?post_type=product&p=293"},"modified":"2026-05-06T05:03:44","modified_gmt":"2026-05-06T05:03:44","slug":"heavy-duty-truck-and-truck-trailer-wheel-for-europe","status":"publish","type":"product","link":"https:\/\/automatictransmissionpart.com\/ar\/product\/heavy-duty-truck-and-truck-trailer-wheel-for-europe\/","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 \u0644\u0623\u0648\u0631\u0648\u0628\u0627"},"content":{"rendered":"
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EP Series \u2014 European Standard<\/p>\n

\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 \u0644\u0623\u0648\u0631\u0648\u0628\u0627<\/h2>\n

22.5″ \u00b7 10-Bolt \u00b7 HUB-Piloted \u00b7 Up to 4500 KG Load Rating<\/p>\n<\/div>\n<\/div>\n

1. \u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0641\u0646\u064a\u0629<\/h2>\n

Engineering parameters for the EP Heavy Duty Truck Trailer Wheel \u2014 European series. Use these figures to verify axle compatibility before procurement.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u0627\u0644\u0645\u0639\u0644\u0645\u0629<\/th>\n\u0627\u0644\u0642\u064a\u0645\u0629 \/ \u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a<\/th>\n\u0645\u0644\u0627\u062d\u0638\u0627\u062a \u0641\u0646\u064a\u0629<\/th>\n<\/tr>\n<\/thead>\n
Nominal Rim Diameter<\/td>\n22.5 inches (571.5 mm)<\/td>\nStandard for European semi-trailers; ETRTO compliant<\/td>\n<\/tr>\n
\u0639\u0631\u0636 \u0627\u0644\u062d\u0627\u0641\u0629<\/td>\n8.25\u2033 \/ 9.00\u2033 \/ 11.75\u2033<\/td>\nThree widths for steer, drive, and trailer positions<\/td>\n<\/tr>\n
\u0643\u0645\u064a\u0629 \u0627\u0644\u0628\u0631\u0627\u063a\u064a<\/td>\n10 bolts<\/td>\nIndustry standard for European heavy-duty trailer axles<\/td>\n<\/tr>\n
PCD \u2014 \u0642\u0637\u0631 \u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0645\u0644\u0639\u0628<\/td>\n335 mm<\/td>\nCompatible with BPW, SAF-Holland, ROR axle hubs<\/td>\n<\/tr>\n
\u0642\u0637\u0631 \u0641\u062a\u062d\u0629 \u0627\u0644\u0628\u0631\u063a\u064a<\/td>\n26 \u0645\u0645<\/td>\nPrecision-drilled; fits M22 stud\/nut hardware<\/td>\n<\/tr>\n
\u0642\u0637\u0631 \u0627\u0644\u0641\u062a\u062d\u0629 \u0627\u0644\u0645\u0631\u0643\u0632\u064a\u0629<\/td>\n281 mm (H7 tolerance)<\/td>\nHub-piloted (HUB) centering bore<\/td>\n<\/tr>\n
\u0646\u0637\u0627\u0642 \u0627\u0644\u0625\u0632\u0627\u062d\u0629<\/td>\nET0 \/ ET120 \/ ET168 \/ ET175<\/td>\nFour distinct configurations across model range<\/td>\n<\/tr>\n
\u0641\u062a\u062d\u0627\u062a \u0627\u0644\u062a\u0647\u0648\u064a\u0629<\/td>\n10 holes<\/td>\nBrake cooling and disc mass reduction<\/td>\n<\/tr>\n
Maximum Load Rating<\/td>\n3550 \u2013 4500 KG per wheel<\/td>\nVaries by rim width; see model table<\/td>\n<\/tr>\n
Centering Method<\/td>\nHUB (Hub-Piloted)<\/td>\nGeometric centering before stud engagement<\/td>\n<\/tr>\n
\u062f\u0631\u062c\u0629 \u0645\u0627\u062f\u0629 \u0627\u0644\u062d\u0627\u0641\u0629<\/td>\nSPFH590 \/ DP600 dual-phase steel<\/td>\nTensile strength \u2265 590 MPa<\/td>\n<\/tr>\n
\u0645\u0639\u0627\u0644\u062c\u0629 \u0627\u0644\u0633\u0637\u062d<\/td>\nShot blast (Sa 2.5) + epoxy primer + polyester topcoat<\/td>\nSalt spray resistance \u2265 480 hours (ISO 9227)<\/td>\n<\/tr>\n
\u0625\u062c\u0647\u0627\u062f \u0634\u0639\u0627\u0639\u064a \u0645\u062f\u0649 \u0627\u0644\u062d\u064a\u0627\u0629<\/td>\n\u2265 1,000,000 cycles at rated load<\/td>\nTested per ECE R-124 \/ SAE J267<\/td>\n<\/tr>\n
\u0627\u0644\u0631\u0635\u064a\u062f \u0627\u0644\u0645\u062a\u0628\u0642\u064a \u0644\u0644\u062a\u0648\u0627\u0632\u0646 \u0627\u0644\u062f\u064a\u0646\u0627\u0645\u064a\u0643\u064a<\/td>\n\u2264 100 \u062c\u0645\/\u0633\u0645<\/td>\n100% inline dynamic balance check<\/td>\n<\/tr>\n
\u0627\u0644\u0627\u0646\u062d\u0631\u0627\u0641 \u0627\u0644\u0634\u0639\u0627\u0639\u064a (TIR)<\/td>\n\u2264 1.2 mm<\/td>\nCMM inspection; 100% inline verification<\/td>\n<\/tr>\n
Weld Inspection Method<\/td>\n100% full-penetration inspection, robotic MIG<\/td>\nDye penetrant and ultrasonic spot checks<\/td>\n<\/tr>\n
Applicable Standards<\/td>\nECE R-124, ETRTO, ISO 4210<\/td>\nEU type-approval framework compliance<\/td>\n<\/tr>\n
\u0639\u0632\u0645 \u0631\u0628\u0637 \u0635\u0648\u0627\u0645\u064a\u0644 \u0627\u0644\u0639\u062c\u0644\u0627\u062a \u0627\u0644\u0645\u0648\u0635\u0649 \u0628\u0647<\/td>\n590 \u2013 620 N\u00b7m<\/td>\nTruck trailer wheel nut torque; star-pattern tightening<\/td>\n<\/tr>\n
Air Leakage Test<\/td>\n100% inline air pressure leak check<\/td>\nZero-escape policy; zero defects shipped<\/td>\n<\/tr>\n
Available Part Numbers<\/td>\nJG28SW18 \/ JG29SW29 \/ JG49SW01 \/ JG49SW04<\/td>\nFull specs in model reference table below<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

<\/p>\n

Model Reference \u2014 EP Truck Trailer Wheel For Europe<\/h3>\n
\n\n\n\n\n\n\n\n\n
\u0631\u0642\u0645 \u0627\u0644\u0642\u0637\u0639\u0629<\/th>\n\u0645\u0642\u0627\u0633<\/th>\n\u0643\u0645\u064a\u0629 \u0627\u0644\u0628\u0631\u0627\u063a\u064a<\/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>\n\u0641\u062a\u062d\u0627\u062a \u0627\u0644\u062a\u0647\u0648\u064a\u0629<\/th>\nMax Load (KG)<\/th>\n\u064a\u0642\u0648\u062f\u0647\u0627 \u0637\u064a\u0627\u0631<\/th>\n<\/tr>\n<\/thead>\n
JG28SW18<\/td>\n22.5\u00d78.25<\/td>\n10<\/td>\n335<\/td>\n26<\/td>\n281<\/td>\n168<\/td>\n10<\/td>\n3550<\/td>\n\u0645\u064e\u0631\u0643\u064e\u0632<\/td>\n<\/tr>\n
JG29SW29<\/td>\n22.5\u00d79.00<\/td>\n10<\/td>\n335<\/td>\n26<\/td>\n281<\/td>\n175<\/td>\n10<\/td>\n4000<\/td>\n\u0645\u064e\u0631\u0643\u064e\u0632<\/td>\n<\/tr>\n
JG49SW01<\/td>\n22.5\u00d711.75<\/td>\n10<\/td>\n335<\/td>\n26<\/td>\n281<\/td>\n120<\/td>\n10<\/td>\n4500<\/td>\n\u0645\u064e\u0631\u0643\u064e\u0632<\/td>\n<\/tr>\n
JG49SW04<\/td>\n22.5\u00d711.75<\/td>\n10<\/td>\n335<\/td>\n26<\/td>\n281<\/td>\n0<\/td>\n10<\/td>\n4500<\/td>\n\u0645\u064e\u0631\u0643\u064e\u0632<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

<\/p>\n

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\"\u0645\u0646\u062a\u062c\u0627\u062a<\/h2>\n

2. \u062e\u0645\u0633 \u0645\u0632\u0627\u064a\u0627 \u0631\u0626\u064a\u0633\u064a\u0629 \u0644\u0644\u0645\u0646\u062a\u062c<\/h2>\n

<\/p>\n

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01 \u2014 Hub-Piloted Design for Zero-Tolerance Centering<\/h3>\n

The hub-piloted (HUB) centering method of this \u0639\u062c\u0644\u0629 \u0645\u0642\u0637\u0648\u0631\u0629 \u0627\u0644\u0634\u0627\u062d\u0646\u0629<\/strong> series uses the 281 mm center bore to seat the wheel concentrically on the hub flange face before studs take any load. This geometrically-controlled centering eliminates the micro-runout that stud-piloted wheels are prone to, especially after multiple tire changes under roadside conditions. The practical result is that vibration-induced stud fatigue \u2014 one of the leading causes of wheel-off incidents on European motorways and on Colombia’s primary highway network \u2014 is dramatically reduced. Fleet operators running long distances between Bogot\u00e1 and the coast report significantly fewer stud replacement events after switching to a hub-piloted heavy duty truck trailer wheel<\/strong> configuration, because the studs carry clamping load rather than centering load.<\/p>\n<\/div>\n

<\/p>\n

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02 \u2014 High-Tensile Steel, Up to 590 MPa Tensile Strength<\/h3>\n

Every rim shell and disc in this heavy duty truck trailer wheel<\/strong> range is produced from SPFH590 or DP600 dual-phase high-strength steel, delivering tensile strength at or above 590 MPa with controlled elongation characteristics that absorb road shock without brittle fracture. This is not a marginal upgrade over standard steel \u2014 at the same wall thickness, high-strength steel carries a meaningfully higher elastic limit, which directly translates into a longer fatigue life under the bending cycles generated by fully-laden axle loads on Colombian mountain routes or European cobblestone access roads. The material specification also enables a slightly reduced cross-section in non-critical areas, contributing to an overall \u0639\u062c\u0644\u0629 \u0634\u0627\u062d\u0646\u0629<\/strong> mass that is 10\u201315% lower than a comparable rim made from conventional carbon steel, benefiting payload capacity and fuel economy.<\/p>\n<\/div>\n

<\/p>\n

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03 \u2014 Four Offset Options Cover Every European Trailer Geometry<\/h3>\n

With offset values of 0 mm, 120 mm, 168 mm, and 175 mm available across the four model variants, this \u0639\u062c\u0644\u0629 \u0645\u0642\u0637\u0648\u0631\u0629 \u0627\u0644\u0634\u0627\u062d\u0646\u0629<\/strong> line covers the full spectrum of European trailer axle configurations. A zero-offset (ET0) rim is appropriate for outboard-mounted axle designs common on flatbed and skeletal trailers, while the 168 mm and 175 mm offset variants suit deep-dish configurations used on closed van and refrigerated trailer axles where wheel clearance within the mudguard envelope is critical. Stocking two or three variants gives a trailer repair workshop in Medell\u00edn or Cali the ability to service multiple trailer brands from a single supplier without special ordering delays \u2014 a significant operational advantage when a loaded trailer is off the road waiting for truck trailer wheel replacement<\/strong>.<\/p>\n<\/div>\n

<\/p>\n

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04 \u2014 Up to 4500 KG Load Rating Per Position<\/h3>\n

The 22.5\u00d711.75 models (JG49SW01 and JG49SW04) carry a maximum load rating of 4500 KG per wheel position \u2014 the benchmark figure needed to fully utilize a tri-axle European semi-trailer at the 44-tonne GVW ceiling. This rating is not a nominal figure applied at the drawing board; it is verified through standardized radial fatigue testing that subjects the \u0639\u062c\u0644\u0629 \u0645\u0642\u0637\u0648\u0631\u0629 \u0627\u0644\u0634\u0627\u062d\u0646\u0629<\/strong> to a cyclic load equivalent to its rated maximum for over one million cycles. Purchasers in Colombia’s freight sector who operate EU-specification trailers under INVIAS axle load enforcement need documented load rating compliance, and this series provides that assurance through traceable test records rather than manufacturer assertion alone. The 22.5\u00d78.25 variant rated at 3550 KG meets the steer axle requirements of many European tractor-trailer combinations used in South American import logistics.<\/p>\n<\/div>\n

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05 \u2014 Ten Vent Holes for Active Brake Thermal Management<\/h3>\n

The ten vent apertures in each disc are sized and positioned to direct a significant volume of airflow toward the brake drum or disc assembly during wheel rotation. Under sustained braking on a loaded descent \u2014 through the Colombian Andes, through Alpine pass roads, or on extended motorway gradients \u2014 brake system temperatures are a genuine safety parameter. Excessive brake heat accelerates lining wear, can cause brake fade, and in extreme cases leads to drum cracking. The ventilation geometry of this heavy duty truck trailer wheel<\/strong> design increases airflow across the brake components by a measurable margin compared to closed-disc wheels, contributing to lower steady-state brake temperatures and longer service intervals between brake inspections. The vent holes also reduce disc mass slightly, further improving the thermal mass ratio and lowering rotational inertia.<\/p>\n<\/div>\n<\/div>\n

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3. How It Works \u2014 Engineering Behind Every Truck Trailer Wheel<\/h2>\n

The manufacturing of a high-performance \u0639\u062c\u0644\u0629 \u0645\u0642\u0637\u0648\u0631\u0629 \u0627\u0644\u0634\u0627\u062d\u0646\u0629<\/strong> begins not at the pressing machine but at the material receiving dock. Incoming steel coil is checked against the material test certificate using X-ray fluorescence spectroscopy to verify alloy composition, and tensile coupon testing confirms that mechanical properties are within specification before any production is authorized. This input quality gate is what separates a traceable heavy duty truck trailer wheel<\/strong> from one that may carry a similar dimensional specification but with no material accountability.<\/p>\n

The rim shell is produced by roll-forming: a length of steel strip is progressively shaped through a series of forming rolls that bend the flat stock into the characteristic stepped profile of the 22.5-inch rim \u2014 flange, gutter, bead seat, drop center. The drop center is the critical geometry that allows tubeless tire mounting: it provides the circumferential recessed channel that the tire bead falls into during mounting, and the bead seat taper (5 degrees) is machined or roll-finished to the precise angle that creates the airtight seal between tire bead and rim under inflation pressure. This bead seat geometry is one of the most dimensionally sensitive features of the entire \u0639\u062c\u0644\u0629 \u0645\u0642\u0637\u0648\u0631\u0629 \u0627\u0644\u0634\u0627\u062d\u0646\u0629<\/strong>, and any deviation from specification directly affects the ability of the wheel to hold air at operating pressures of 8\u20139 bar for super single applications.<\/p>\n

The disc is produced by deep-draw pressing from a steel blank, forming the spoke geometry, vent holes, and bolt circle in a multi-stage tooling sequence. The bolt holes are then finish-drilled to the 26 mm diameter with a tolerance tight enough to ensure that the lug nuts achieve uniform face contact across all ten positions when the truck trailer wheel nut torque<\/strong> of 590\u2013620 N\u00b7m is applied. Uneven contact \u2014 caused by oversized or out-of-pitch bolt holes \u2014 is a documented cause of premature stud fatigue, which is why hole-to-hole pitch tolerance is controlled to within \u00b10.2 mm on this series.<\/p>\n

Once the rim and disc are dimensionally verified, they are assembled and welded using robotic MIG welding under programmed parameters that guarantee full joint penetration. The assembled \u0639\u062c\u0644\u0629 \u0645\u0642\u0637\u0648\u0631\u0629 \u0627\u0644\u0634\u0627\u062d\u0646\u0629<\/strong> then passes through a 100% air-pressure leak test (the bead seat and weld seam are the two leak paths), a 100% dynamic balance check, and a dimensional check at the 281 mm bore and PCD before the painting line. Any wheel that does not meet specification at any of these stations is quarantined and scrapped \u2014 not reworked for re-release \u2014 ensuring that the population of wheels reaching the customer contains only conforming units.<\/p>\n<\/div>\n

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4. \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0627\u0644\u0645\u0627\u062f\u064a<\/h2>\n

The structural integrity of a heavy duty truck trailer wheel<\/strong> is ultimately a function of the steel it is made from, the geometry of its cross-section, and the quality of the weld joining rim to disc. This series addresses all three elements through disciplined material selection and controlled production processes. The rim shell uses SPFH590 (a hot-rolled high-strength low-alloy grade equivalent to ASTM A653 Grade 80 or EN 10149 S500MC), which offers a minimum yield strength of 440 MPa and tensile strength of 590\u2013730 MPa combined with a minimum elongation at fracture of 18%. The high elongation value is not incidental \u2014 it is what allows the material to survive the forming operations of roll-profiling and flanging without developing micro-cracks at tight-radius bends, and what gives the finished \u0639\u062c\u0644\u0629 \u0634\u0627\u062d\u0646\u0629<\/strong> the ductility to deform plastically rather than fracture catastrophically if overloaded in a road incident.<\/p>\n

The disc pressing uses DP600 dual-phase steel, a material whose microstructure consists of hard martensite islands dispersed within a soft ferrite matrix. This dual-phase structure provides a unique combination of high initial work-hardening rate (which helps the disc maintain its geometry under repeated bending cycles) and good energy absorption during crash events. The DP600 grade also exhibits a Bauschinger effect that is favorable for the cyclic loading profile of a rotating heavy duty truck trailer wheel<\/strong> disc: the material hardens under the first few thousand loading cycles and then stabilizes at an elevated effective yield point, giving the disc a progressive strengthening behavior during early service that improves long-term fatigue resistance.<\/p>\n

The corrosion protection system is engineered to withstand the full range of environments this \u0639\u062c\u0644\u0629 \u0645\u0642\u0637\u0648\u0631\u0629 \u0627\u0644\u0634\u0627\u062d\u0646\u0629<\/strong> may encounter: de-icing salt on Northern European roads during winter months, coastal salt air on Colombia’s Caribbean and Pacific trade corridors, tropical rain and humidity in equatorial Colombia, and the acidic road contamination from diesel exhaust and tire rubber debris on all routes. The process begins with mechanical shot blasting to Sa 2.5 surface cleanliness (ISO 8501-1), which removes mill scale and creates a surface roughness profile (Rz 40\u201370 \u00b5m) that promotes coating adhesion. An epoxy primer is applied electrostatically at 40\u201360 \u00b5m DFT, followed by a polyester or polyurethane topcoat at 60\u201380 \u00b5m DFT. The complete coating system withstands \u2265 480 hours of neutral salt spray testing without reaching the corrosion rating threshold specified in ISO 9227, providing meaningful real-world corrosion resistance across the service life of the wheel.<\/p>\n<\/div>\n

<\/p>\n

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5. \u0633\u064a\u0646\u0627\u0631\u064a\u0648\u0647\u0627\u062a \u0627\u0644\u062a\u0637\u0628\u064a\u0642<\/h2>\n
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International Long-Haul Freight \u2014 Curtainsider and Box Trailers<\/h3>\n

The JG29SW29 (22.5\u00d79.00, offset 175) is the most widely specified \u0639\u062c\u0644\u0629 \u0645\u0642\u0637\u0648\u0631\u0629 \u0627\u0644\u0634\u0627\u062d\u0646\u0629<\/strong> for standard curtainsider and insulated box trailers operating on European international corridors and on South American routes served by EU-spec running gear. The 4000 KG load rating supports full utilization of a three-axle semi-trailer under the 44-tonne European GVW limit, while the hub-piloted design minimizes the maintenance overhead that plagues long-distance fleets whose workshop access is limited. Colombian operators running refrigerated trailers on the Bogot\u00e1\u2013Buenaventura and Bogot\u00e1\u2013Santa Marta corridors have increasingly adopted this specification as European trailer imports into Colombia grow through the free trade agreement framework.<\/p>\n<\/div>\n

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Tanker and Bulk Liquid Transport<\/h3>\n

The JG49SW01 and JG49SW04 (22.5\u00d711.75) are purpose-configured for tanker trailer applications \u2014 fuel tankers, food-grade liquid tankers, chemical tankers \u2014 where the axle loads consistently approach the legal maximum and the wheel must accommodate super-single wide-base tires that eliminate the inner dual position and reduce overall trailer weight. The 4500 KG load rating provides the design margin needed for these applications, and the high-strength steel construction resists the low-frequency but high-amplitude bending moments generated when a partially-full tanker trailer is braked aggressively. This makes the 11.75-inch heavy duty truck trailer wheel<\/strong> series the choice of fleet engineers managing premium tanker operations in Europe and among Colombian petrochemical and food logistics operators.<\/p>\n<\/div>\n

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Construction Site and Infrastructure Haulage<\/h3>\n

Low-loaders, machinery transport trailers, and infrastructure support vehicles operating in Colombia’s expanding road construction and mining sectors regularly encounter road surfaces that would strip paint off a lesser steel wheel within a month. The SPFH590 rim construction and full-penetration weld specification of this \u0639\u062c\u0644\u0629 \u0645\u0642\u0637\u0648\u0631\u0629 \u0627\u0644\u0634\u0627\u062d\u0646\u0629<\/strong> series is significantly more resistant to impact deformation than commodity steel wheels. Contractors operating in Antioquia, Cundinamarca, and the Llanos region report that these truck wheels and tires<\/strong> combinations survive the unprepared access roads and heavy point loads associated with construction logistics without the bead seat deformation that creates chronic air-loss problems on the job site.<\/p>\n<\/div>\n

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Agricultural and Agribusiness Trailer Fleet Operations<\/h3>\n

Agribusiness logistics in Colombia \u2014 particularly in the coffee, palm oil, and banana producing regions \u2014 relies heavily on trailer-based transport for moving produce from farms to processing plants and ports. Where the trailer running gear originates from European manufacturers (increasingly common as Colombian agribusiness modernizes its logistics infrastructure), the 10-bolt 335 mm PCD specification of this \u0639\u062c\u0644\u0629 \u0645\u0642\u0637\u0648\u0631\u0629 \u0627\u0644\u0634\u0627\u062d\u0646\u0629<\/strong> series makes it the natural spare parts choice. Procurement managers at agricultural cooperatives in the Eje Cafetero and Valle del Cauca who previously struggled to source dimensionally-correct parts truck trailer wheel<\/strong> replacements through domestic suppliers now have access to a direct-supply solution that matches their trailer axle specifications precisely.<\/p>\n<\/div>\n<\/div>\n

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

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6. Regulatory Compliance & Standards<\/h2>\n

European Union<\/h3>\n

Commercial vehicle wheels sold into the European market are subject to ECE Regulation No. 124 (R-124), which mandates bending fatigue testing and radial fatigue testing at the stated maximum load with prescribed safety factors. Additionally, EU Directive 96\/53\/EC and Regulation (EU) 2015\/719 define maximum axle load limits for trans-European road network operations \u2014 the regulatory framework within which the load ratings of this \u0639\u062c\u0644\u0629 \u0645\u0642\u0637\u0648\u0631\u0629 \u0627\u0644\u0634\u0627\u062d\u0646\u0629<\/strong> series are calibrated. Rim dimensions must conform to ETRTO (European Tyre and Rim Technical Organisation) standards to ensure dimensional interoperability with European commercial tires. The quality management system behind this production meets ISO 9001:2015, providing the documented process control that European procurement teams expect from a primary heavy duty truck trailer wheel<\/strong> supplier.<\/p>\n

Colombia<\/h3>\n

In Colombia, road transport vehicle standards for commercial trailers are regulated by the Ministerio de Transporte through Resoluci\u00f3n 4100 de 2004 and its amendments, defining maximum vehicle dimensions and axle loads for the national road network. The Instituto Nacional de V\u00edas (INVIAS) enforces per-axle load limits at weighbridge stations on primary routes. Importers bringing truck trailer wheels into Colombia through ports such as Cartagena, Buenaventura, or Barranquilla are required to provide customs documentation including commercial invoices, Certificates of Origin, and technical datasheets. The product series described on this page is supported by material test certificates, dimensional inspection records, and third-party test reports \u2014 documentation that meets the requirements of Colombian customs and NTC (Norma T\u00e9cnica Colombiana) quality expectations for vehicle components. Colombian fleet operators who need to demonstrate axle load compliance under INVIAS inspection benefit directly from the verifiable load ratings documented in the test records accompanying each batch of heavy duty truck trailer wheels<\/strong>.<\/p>\n

United States \u2014 FMCSA<\/h3>\n

For operators in Colombia who also supply or operate in the North American market, the Federal Motor Carrier Safety Administration (FMCSA) under 49 CFR Part 393 establishes maintenance requirements for commercial vehicle wheel assemblies: wheels must be free from cracks, elongated bolt holes, and missing fasteners, and wheel replacement records must be maintained for compliance audit. The documentation package available for this \u0639\u062c\u0644\u0629 \u0645\u0642\u0637\u0648\u0631\u0629 \u0627\u0644\u0634\u0627\u062d\u0646\u0629<\/strong> series supports the traceability requirements of FMCSA recordkeeping expectations.<\/p>\n

Brazil \u2014 INMETRO \/ CONTRAN<\/h3>\n

Brazil’s national standards body INMETRO, operating under CONTRAN Resolution No. 811\/2020, requires that truck trailer wheel products imported for commercial vehicle use carry conformity certification. Brazilian importers should verify compatibility with ABNT NBR standards for rim dimensions and load ratings. Several wheel models in the broader product range carry Inmetro conformity certification, confirming that the manufacturer’s quality processes are aligned with third-party certification requirements applicable in Brazil’s commercial vehicle component market \u2014 a relevant reference for Colombian buyers who operate cross-border logistics with Brazil.<\/p>\n<\/div>\n

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7. \u0646\u0628\u0630\u0629 \u0639\u0646\u0627<\/h2>\n

Our manufacturing infrastructure spans seven dedicated wheel production bases and one complete tire and wheel assembly facility located across Fuyang, Shandong, Chengdu, and Thailand. The high-end production facility alone covers approximately 400,000 square feet and will ultimately operate four production lines at a combined annual capacity of six million pieces. Production equipment was sourced from Germany, Sweden, Spain, Japan, and the United States \u2014 the same countries that developed the world’s most advanced wheel manufacturing technology \u2014 and all assembly, welding, and handling processes are performed by industrial robots, not manual labor. In-line machines perform 100% inspection at every critical station, enforcing a zero-escape policy on dimensional and quality defects.<\/p>\n

Our National-Level Testing Center operates the full spectrum of wheel qualification equipment: German RMS cornering fatigue test machines, US ITS radial fatigue test rigs, dynamic balance analyzers, CMM coordinate measuring systems, salt spray chambers, UV aging ovens, and X-ray fluorescence spectrometers for material verification. This testing infrastructure is what backs the stated load ratings, fatigue lives, and corrosion resistance values of every Truck Trailer Wheel we supply \u2014 not manufacturer assertion, but documented test data from accredited equipment. We hold ISO 9001:2015 certification and have been designated a National Export Base of Auto Parts. Our OEM customer base includes Volkswagen, GM, Ford, Volvo, and CIMC, whose quality audit requirements demand the same engineering discipline applied to every export product, including the heavy duty truck trailer wheel series on this page.<\/p>\n

\u0648\u0631\u0634\u0629 \u0639\u0645\u0644<\/h3>\n
\"Automated\"Wheel\"Factory\"Wheel<\/div>\n<\/div>\n
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8. Related Products \u2014 One-Stop Axle System Supply<\/h2>\n

\u0643\u0644 \u0639\u062c\u0644\u0629 \u0645\u0642\u0637\u0648\u0631\u0629 \u0627\u0644\u0634\u0627\u062d\u0646\u0629<\/strong> functions within a system. Sourcing compatible axle components from the same supply base eliminates dimensional mismatches and gives fleet procurement teams a single point of accountability. We supply the following products engineered to work directly with this wheel series:<\/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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Trailer Axle Beam \/ Trailer Spindle<\/h3>\n

The trailer axle beam and spindle assembly is the structural counterpart of the \u0639\u062c\u0644\u0629 \u0645\u0642\u0637\u0648\u0631\u0629 \u0627\u0644\u0634\u0627\u062d\u0646\u0629<\/strong>, carrying the hub flange interface that the 281 mm center bore engages at fitment. When the spindle is sourced from the same manufacturer as the wheel, critical mating dimensions \u2014 hub pilot diameter, stud thread pitch, flange face perpendicularity \u2014 are coordinated by design rather than by chance. This coordinated supply is particularly valuable for trailer rebuild and refurbishment projects in Colombia, where aftermarket axle components from multiple uncoordinated sources are a common source of fitment problems. Our trailer spindle series covers the dimensional envelope compatible with this heavy duty truck trailer wheel<\/strong> range, enabling complete axle-end assembly procurement from a single supplier with full system traceability documentation.<\/p>\n

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

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\u0627\u0644\u0623\u0633\u0626\u0644\u0629 \u0627\u0644\u0634\u0627\u0626\u0639\u0629<\/h2>\n
\nQ1. Which truck trailer wheel size is right for a European curtainsider trailer operating in Colombia’s national freight network?<\/summary>\n
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For the majority of European curtainsider and box trailers \u2014 Schmitz, K\u00f6gel, Krone \u2014 the standard fitment is the 22.5\u00d79.00 \u0639\u062c\u0644\u0629 \u0645\u0642\u0637\u0648\u0631\u0629 \u0627\u0644\u0634\u0627\u062d\u0646\u0629<\/strong>, model JG29SW29, paired with 315\/80R22.5 or 295\/80R22.5 tires. The 175 mm offset and 4000 KG load rating cover most standard trailer axle configurations. If the trailer runs super-single wide-base tires for fuel economy on Colombia’s toll road network, the 22.5\u00d711.75 variant (JG49SW01 or JG49SW04) is the appropriate choice. Confirm your axle manufacturer and hub pilot diameter before ordering to verify that the 281 mm center bore is the correct fitment for your specific trailer.<\/p>\n<\/div>\n<\/details>\n

\nQ2. What is the correct truck trailer wheel nut torque specification for this 10-bolt European heavy duty wheel?<\/summary>\n
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The recommended truck trailer wheel nut torque for M22 studs on this 10-bolt, 335 mm PCD configuration is 590\u2013620 N\u00b7m (435\u2013457 lbf\u00b7ft), applied progressively in a cross-pattern across all ten positions. Always perform an initial re-torque after the first 50\u2013100 km of loaded operation, then include torque verification in every scheduled maintenance interval. Use a calibrated torque wrench or torque-controlled power tool \u2014 impact guns without torque control are not acceptable for final tightening of \u0639\u062c\u0644\u0629 \u0645\u0642\u0637\u0648\u0631\u0629 \u0627\u0644\u0634\u0627\u062d\u0646\u0629<\/strong> fasteners. Both under-torque and over-torque conditions shorten stud life and compromise wheel safety.<\/p>\n<\/div>\n<\/details>\n

\nQ3. What is the difference between the 22.5\u00d78.25 and 22.5\u00d711.75 truck trailer wheel, and when should I specify each width for my fleet?<\/summary>\n
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The 22.5\u00d78.25 \u0639\u062c\u0644\u0629 \u0634\u0627\u062d\u0646\u0629<\/strong> (JG28SW18) is dimensioned for dual-wheel mounting \u2014 two tires per axle end \u2014 and is the standard for steer axle positions and some drive positions. The 22.5\u00d711.75 is a wide-base rim designed for super-single tire applications. At a load rating of 4500 KG, the wide-base variant can effectively replace a pair of 8.25-inch wheels at a single axle end, saving 20\u201330 kg of unsprung mass per end and simplifying tire pressure monitoring by halving the number of wheel positions per axle. The tradeoff is that a deflation on a wide-base axle end leaves no backup tire \u2014 a risk management factor that different operators assess differently depending on their route profiles and spare-wheel logistics.<\/p>\n<\/div>\n<\/details>\n

\nQ4. How long does a well-maintained heavy duty truck trailer wheel realistically last in commercial fleet service in South America?<\/summary>\n
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A quality heavy duty truck trailer wheel<\/strong> used within its rated load capacity and maintained with correct torque practices typically survives three to four tire life cycles \u2014 approximately 500,000 to 750,000 km in European conditions. In Colombia, road surface variability and frequent kerb impact events from narrow port access roads may reduce this to two to three tire cycles in urban distribution service. At every tire change, the wheel should be inspected for cracks (particularly at the disc spoke roots and at the disc-to-rim weld), bead seat corrosion, and bolt hole elongation. Truck trailer wheel replacement<\/strong> should be prioritized when any of these defects are found rather than deferred to the next scheduled service.<\/p>\n<\/div>\n<\/details>\n

\nQ5. What quality certifications does this truck trailer wheel carry and how can a Colombian importer verify them during customs clearance?<\/summary>\n
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Our production facility holds ISO 9001:2015 quality management certification. Products in the EP European series are tested to ECE R-124 requirements, with test reports from accredited third-party laboratories (SGS, T\u00dcV, BV) available on request per order. Material test certificates (MTCs) referencing EN 10149 or equivalent standards accompany each production batch. For Colombian customs clearance, we provide a commercial invoice, packing list, Certificate of Origin (CO), and product technical datasheet translated to Spanish on request. Colombian importers requiring NTC quality documentation can request the specific test report referencing the ECE R-124 test procedure and confirmed load rating as supporting documentation for their customs broker.<\/p>\n<\/div>\n<\/details>\n

\nQ6. What is the truck trailer wheel hub bore clearance tolerance, and why does it matter for safe wheel installation in a fleet workshop?<\/summary>\n
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The truck trailer wheel hub<\/strong> bore is machined to H7 tolerance at 281 mm (+0.000 \/ +0.052 mm). This provides a clearance fit: the wheel slides onto the hub pilot without binding \u2014 essential for safe roadside tire changes without power tools \u2014 while the minimal radial clearance transfers lateral braking loads through the hub pilot rather than through the studs. If the bore is more than 0.5 mm oversize, the wheel can rock on the hub under cornering and braking loads, creating cyclic stud bending stresses that cause stud fatigue failure far earlier than the design life. Correct bore tolerance is not a precision luxury \u2014 it is a safety-critical dimension.<\/p>\n<\/div>\n<\/details>\n

\nQ7. Can fleet operators in Colombia source matching truck wheels and tires as a package, and what advantages does a complete wheel-and-tire package offer?<\/summary>\n
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We supply truck wheels and tires<\/strong> assembly packages through our affiliated tire and wheel assembly facility, which operates at a capacity of 350,000 assembled units per year. Pre-assembled and balanced wheel-and-tire units reduce workshop assembly time, eliminate the variability introduced by field-balancing in roadside conditions, and ensure that the first-fit balance quality is controlled to the factory specification. For large Colombian fleet operators procuring a full trailer wheel set for a refurbishment project, a pre-assembled, dynamically balanced heavy duty truck trailer wheel<\/strong> and tire package simplifies logistics, reduces downtime, and delivers a measurably better first-fit outcome than buying wheels and tires separately from different suppliers.<\/p>\n<\/div>\n<\/details>\n<\/div>\n<\/div>\n

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

This product range is offered in 22.5-inch nominal rim diameter across three width variants \u2014 8.25 inches, 9.00 inches, and 11.75 inches \u2014 covering the steer, drive, and trailer axle positions most commonly found on European semi-trailer configurations. The bolt circle is fixed at 335 mm PCD with ten bolt holes of 26 mm diameter, a specification that directly matches the axle hubs found on BPW, SAF-Holland, and ROR trailer running gear \u2014 the three axle brands that collectively dominate the European trailer market and appear extensively on imported EU-origin trailers operating in Colombia. The 281 mm center bore is precision-machined for hub-piloted (HUB) centering, which positions the Truck Trailer Wheel concentrically on the hub flange before any fastener is tightened.<\/p>\n

With maximum load capacities ranging from 3550 KG to 4500 KG per wheel position depending on rim width. <\/p>","protected":false},"featured_media":294,"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-293","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\/293","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\/294"}],"wp:attachment":[{"href":"https:\/\/automatictransmissionpart.com\/ar\/wp-json\/wp\/v2\/media?parent=293"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/automatictransmissionpart.com\/ar\/wp-json\/wp\/v2\/product_brand?post=293"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/automatictransmissionpart.com\/ar\/wp-json\/wp\/v2\/product_cat?post=293"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/automatictransmissionpart.com\/ar\/wp-json\/wp\/v2\/product_tag?post=293"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}