Overview
The ZF 0501.212.372 DISC for WG115 is a precision-engineered friction disc designed for the clutch pack assembly within ZF WG-series powershift transmissions. This OEM genuine part, identified by SKU 0501.212.372, sits between steel separator plates to manage torque transfer during gear engagement. It is a critical wear component that ensures smooth shifting and reliable power delivery in heavy-duty industrial drivetrains. The disc interfaces directly with the 4656101032: TRANSMISSION HOUSING and the 4656201075: HOUS.FRONT SECT, forming a sealed clutch chamber that must maintain precise hydraulic pressure for optimal operation.
Symptoms of Failure
- Delayed or harsh gear engagement: When the disc wears thin, clutch pack clearance increases, causing noticeable lag or jerky shifts during acceleration or direction changes.
- Transmission slipping under load: Worn friction material reduces clamping force, leading to RPM flare or power loss when the vehicle climbs grades or hauls heavy loads.
- Oil contamination with metallic debris: As the disc degrades, friction particles circulate through the hydraulic system, often visible as dark, gritty fluid during oil changes.
- Overheating in the clutch housing: Excessive slippage generates heat, which may trigger thermal warnings or cause discoloration on the 4656201034: HOUSING REAR PART.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 0501.212.372 |
| OEM Reference | ZF 0501.212.372 |
| Outer Diameter | 210 mm (estimated) |
| Inner Diameter | 130 mm (estimated) |
| Thickness (New) | 3.5 mm (estimated) |
| Material | Sintered bronze on steel core |
| Weight | 0.45 kg (estimated) |
| Friction Surface | Paper-based composite |
Compatibility
This disc is engineered for ZF WG-series transmissions, specifically the WG115, WG130, WG131, WG160, WG171, WG190, WG191, WG210, WG211, and WG230 models. It also fits the BP 210 and BP 230 series. The part is commonly used in construction equipment, agricultural tractors, and material handlers. For proper installation, ensure the 4472239177: HOUSING REAR PART is free of scoring and that all mating surfaces are clean.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4656101032 | TRANSMISSION HOUSING | Main structural casing for gear train |
| 4656201075 | HOUS.FRONT SECT | Front section enclosing clutch pack |
| 4656201034 | HOUSING REAR PART | Rear housing supporting output shaft |
| 4472239177 | HOUSING REAR PART | Alternate rear housing variant |
| 0631306816 | CYLINDRICAL PIN | Alignment pin for housing assembly |
| 0636100817 | CAP SCREW | Fastener for clutch cover |
| 4656301016 | SCREEN SHEET | Oil filter screen for sump |
| 4656301017 | SCREEN SHEET | Secondary oil filter screen |
| 0636100803 | CAP SCREW | Bolt for rear housing |
| 4681301040 | OIL FEED.HOUSG. | Oil supply tube for clutch lubrication |
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