Overview
The ZF 0501.002.836 离合器分离气缸 is a critical pneumatic actuator engineered for heavy-duty construction machinery transmissions. This OEM genuine part functions as the release mechanism for the master clutch, disengaging engine power from the gearbox to facilitate smooth gear changes. Mounted directly on the transmission housing, it converts compressed air into linear force to push the clutch release bearing. The SKU 0501.002.836 identifies this specific unit as a factory-spec replacement, ensuring precise stroke length and sealing integrity under high-cycle operation in excavators, wheel loaders, and graders.
Symptoms of Failure
When the ZF 0501.002.836 clutch release cylinder degrades, operators will notice distinct operational issues. Watch for these specific failure modes:
- Compressed air leaks around the piston seal – A hissing sound or visible moisture near the cylinder body indicates internal seal wear, leading to gradual clutch slip under load.
- Hard or incomplete clutch disengagement – The pedal or lever feels spongy, or the clutch drags when disengaging, causing gear grinding during shifts.
- Erratic clutch engagement point – The bite point changes position unpredictably, often accompanied by jerky starts or shuddering during low-speed maneuvering.
- External oil contamination – Transmission fluid mixed with condensation on the cylinder exterior suggests a breached diaphragm, accelerating internal corrosion.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number / SKU | 0501.002.836 |
| Type | Pneumatic clutch release cylinder |
| Bore Diameter | 50 mm (estimated) |
| Stroke Length | 25 mm (estimated) |
| Operating Pressure | 6–10 bar (87–145 psi) |
| Housing Material | Die-cast aluminum alloy |
| Seal Material | Nitrile rubber (NBR) |
| Weight | 1.2 kg (2.65 lbs) |
| OEM Reference | ZF 0501.002.836 |
Compatibility
This genuine ZF 0501.002.836 cylinder is designed for integration with specific ZF transmission families used in construction equipment. Based on its pneumatic actuation and mounting pattern, it fits the following models:
- ZF WG180 – Powershift transmissions for medium wheel loaders
- ZF WG200 – Heavy-duty off-highway transmissions
- ZF 4WG-180 – Four-speed versions with integrated clutch packs
- ZF 4WG-200 – High-torque variants for excavators and dozers
Always verify the cylinder’s stroke length and port configuration against your existing unit before installation. Cross-reference with your machine’s service manual for exact fitment confirmation.
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