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Engineered for Class 7–8 commercial tractors, intermodal container chassis, and severe-duty trailers in North America, this 1308E Repair Kit provides a comprehensive foundation hardware overhaul solution. Tailored specifically to service 1308E and 1443E brake shoes on standard 16.5" x 7" drive and trailer axles, each kit contains fatigue-tested heavy-gauge extension return springs, single-anchor pin retention hardware, precision-ground rollers, and anti-seize bushings. This turn-key hardware package eliminates shoe drag, restores balanced mechanical return force, and cuts scheduled preventative maintenance bay turnaround time.
Fleet uptime and strict FMVSS-121 regulatory compliance depend heavily on foundation brake mechanics across demanding long-haul lanes and regional freight corridors. Over time, high thermal cycling softens return springs and develops flat spots on rollers, resulting in asymmetric contact, accelerated lining taper, and dragging.Our 1308E Repair Kit delivers exact OEM-level dimensional accuracy and heavy-duty mechanical reliability to maintain factory-grade wheel-end torque balance.
Precision-Engineered Spring Steel & Hardened Hardware
Manufactured from high-tensile spring steel and alloy steels, each return spring and retainer undergoes controlled oil quenching and tempering. This heat treatment prevents thermal fatigue and spring sag under continuous friction temperatures exceeding 750°F (400°C). Pivot pins and rollers feature induction-hardened wear surfaces to prevent groove wear, binding, and premature mechanical sticking under severe gross axle ratings (20,000–23,000 lbs GAWR).
Corrosion-Resistant Surface & Rapid Single-Axle PM
All components are treated with a corrosion-resistant zinc-dichromate or black phosphate finish, providing an impermeable barrier against road salt, moisture, calcium chloride, and aggressive winter de-icers. By bundling all necessary springs, pins, retainers, and bushings into a single SKU, technicians can replace all wear items concurrently with 1308E and 1443E brake shoe changes, eliminating premature brake pull and drum heat-checking.
Key Features & Specifications
FAQ
Q1: Which brake shoe models does this 1308E Repair Kit service?
A: This kit is engineered specifically for North American commercial drum brake setups using 1308E and 1443E foundation brake shoes on 16.5" x 7" single-anchor wheel-ends.
Q2: Why should hardware be replaced every time 1308E or 1443E brake shoes are serviced?
A: High operating temperatures degrade spring tension and cause flat spots on cam rollers. Reusing weakened hardware leads to incomplete shoe retraction, continuous brake drag, drum glazing, and uneven lining taper.
Q3: Does this hardware set meet FMVSS-121 and DOT commercial maintenance standards?
A: Yes. All springs, pins, and rollers are manufactured to meet or exceed OEM mechanical load and tensile thresholds for Class 7 and Class 8 commercial vehicles.
Q4: How does the surface finish protect against winter road conditions?
A: Components feature heavy-duty zinc-dichromate or phosphate coatings that undergo salt-spray testing, resisting corrosion from calcium chloride, road brine, and continuous moisture.
Q5: Can you provide private labeling, custom bag packaging, and bulk pallet shipping?
A: Yes. As a direct manufacturing source, we provide custom polybag labeling, private-brand master cartons, and palletized export packaging for North American parts distributors and fleet suppliers.
Engineered for Class 7–8 commercial tractors, intermodal container chassis, and severe-duty trailers in North America, this 1308E Repair Kit provides a comprehensive foundation hardware overhaul solution. Tailored specifically to service 1308E and 1443E brake shoes on standard 16.5" x 7" drive and trailer axles, each kit contains fatigue-tested heavy-gauge extension return springs, single-anchor pin retention hardware, precision-ground rollers, and anti-seize bushings. This turn-key hardware package eliminates shoe drag, restores balanced mechanical return force, and cuts scheduled preventative maintenance bay turnaround time.
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Tailored for North American commercial truck and trailer fleets running Q-style foundation drum brakes, the 1308Q Repair Kit delivers a comprehensive single-wheel overhaul hardware package. Purpose-built to service standard 1308Q brake shoes, this kit includes heat-treated dual-spring return setups, quick-change anchor pin retainers, precision-machined roller assemblies, and anti-friction bushings. Replacing fatigued wheel-end hardware with this single-SKU bundle prevents shoe chattering, stops uneven lining drag, and accelerates routine shop maintenance turnaround.
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Engineered for Class 7–8 line-haul tractors, dry freight vans, flatbeds, and severe-duty vocational trailers across North America, the 4515E Repair Kit provides a complete foundation hardware overhaul package for Eaton-style 16.5" x 7" commercial drum brakes. Tailored specifically to service 4515E foundation brake shoes, this kit includes heavy-gauge single-anchor return springs, anchor retention hardware, precision-ground cam rollers, and anti-friction bushings. Upgrading worn wheel-end hardware with this single-SKU overhaul set stops shoe dragging, balances return tension, and cuts scheduled maintenance bay downtime.
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Engineered for Class 7–8 commercial tractors, freight trailers, refuse haulers, and vocational fleets across North America, the 4707 Repair Kit provides a comprehensive foundation hardware overhaul set for heavy-duty drum brakes. Designed for broad compatibility across popular Q and Q-Plus brake profiles, this kit services 4515, 4515Q, 4515X, CA32/4516Q, CA33/4718Q, 4707Q, 4705, 4711Q, 4702, and 4710 brake shoes. Each box bundles high-tensile dual-spring return systems, quick-fit anchor pin retention clips, precision-ground cam rollers, and anti-friction bushings to restore balanced mechanical return action, stop shoe drag, and minimize fleet PM turnaround time.
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Engineered for Class 7–8 commercial tractors, regional distribution chassis, and severe-duty vocational trailers across North America, the 4709 Repair Kit delivers a dedicated foundation hardware renewal solution. Tailored specifically to service standard 16.5" x 7" brake assemblies utilizing 4709, 4726, and 4719 brake shoes, this kit integrates fatigue-tested high-tensile return springs, precision anchor pin retention hardware, induction-hardened rollers, and anti-friction bushings. Upgrading worn wheel-end hardware with this single-SKU overhaul set stops shoe dragging, balances mechanical retraction pull force, and cuts preventative maintenance bay downtime.
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Engineered for Class 7–8 commercial tractors, heavy-haul chassis, and severe-duty vocational trailers across North America, the 4720 Repair Kit delivers a dedicated single-wheel foundation overhaul solution. Tailored specifically to service standard 16.5" x 5" and 16.5" x 6" foundation drum brake assemblies using 4715Q and 4720Q brake shoes, each kit bundles fatigue-resistant dual-spring return systems, quick-fit anchor pin retention clips, induction-hardened cam rollers, and anti-friction bushings. This consolidated hardware pack eliminates brake drag, maintains balanced retraction force, and speeds up routine preventative maintenance bay turnaround.
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Engineered for North American intermodal transport, heavy-haul lowboys, and specialized freight carriers running European-spec running gear, the NEW BPW Repair Kit delivers a dedicated single-wheel overhaul solution. Purpose-built to service 420 x 180mm (SN4218) and 420 x 200mm (SN4220) foundation drum brake assemblies using NEW BPW 180 and NEW BPW 200 brake shoes, this kit integrates high-strength extension return springs, heavy-duty pivot rollers, retaining pins, and anti-friction bushings. Replacing worn wheel-end components with this consolidated master hardware set stops shoe drag, balances mechanical return action, and reduces preventative maintenance turnaround hours.
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Engineered for North American intermodal transport, heavy-haul lowboys, and commercial flatbeds running SAF-Holland running gear, the SAF SK9 Repair Kit provides a comprehensive single-wheel foundation overhaul solution. Tailored specifically to service 420 x 180mm (SK9 180) and 420 x 200mm (SK9 200) trailer axle drum systems using SAF/SK9 180 and SAF/SK9 200 foundation brake shoes, this kit integrates high-strength dual-spring return systems, precision SAF-configured anchor pins, retaining clips, induction-hardened rollers, and anti-friction bushings. Upgrading worn wheel-end components with this single-SKU overhaul set stops shoe dragging, balances mechanical retraction pull force, and cuts preventative maintenance bay downtime.
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