Heavy-Duty Clutch & Transmission Parts: Keeping Bus Fleets Moving
The clutch and transmission system is the heart of every bus powertrain. From city buses making hundreds of stops daily to long-distance coaches cruising highways, reliable clutch performance directly impacts driver comfort, fuel efficiency, and fleet uptime.
Complete Clutch System Solutions
| Component | Key Specifications |
|---|
| Clutch Boosters | Pneumatic assist with hydraulic actuation, hard anodized aluminum, 500k cycle tested, works with WABCO and SORL systems |
| Clutch Master Cylinders | ADC12 aluminum, NBR/FKM seals, 975k cycle fatigue tested, 999h salt spray rated, under 1s piston return |
| Clutch Slave Cylinders | WABCO standard, auto-lube mechanism, replaceable sleeve design, wide temperature range |
| Clutch Driven Discs | 325-430mm diameters, German Raybestos friction material, 500k-1M cycle tested, precision balanced |
| Release Bearings | Chrome steel, anti-corrosive coating, pre-filled long-life grease, -40C to 120C |
| Clutch Cover Assemblies | 430mm heavy-duty, 250C high-temp rating, laser-labeled hub identification |
Transmission Control Components
- Gear Shift Controllers: 40Cr quenched steel, spline connection, under 65dB meshing noise, ISO 16750-3 compliant
- Shift Cables & Soft Shafts: Aviation-grade aluminum joints, high-strength steel core, 1000h salt spray certified, 8-year maintenance-free
- Electronic Clutch Actuators: Eaton compatible, -40C to 125C, high static torque capacity
- Dual Gear Operators: 1M shift cycle life, 50C to 125C, CCC and ECE R13H certified
Trusted Manufacturing Partners
We work with industry-leading manufacturers including Wanan, SORL, Ruili, and Eaton to ensure every clutch and transmission component meets or exceeds OEM specifications. Our quality control process includes:
- 100% individual inspection before shipping
- IATF 16949 and ISO 9001 certified production
- Dynamic fatigue testing (500k-1M cycles)
- Salt spray corrosion testing (480-1000+ hours)
- Extreme temperature validation (-40C to +125C)
Fleet Benefits
Our clutch components are engineered to reduce driver fatigue through precise pedal feel and consistent engagement. The extended service intervals mean fewer workshop visits and lower total cost of ownership. With compatibility across King Long, Yutong, Higer, Zhongtong, Ankai, and international bus brands, we are your single source for clutch and transmission maintenance.
Contact us for a customized clutch parts program for your fleet. Competitive pricing, fast delivery, and technical support included.
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