Overview
The ZF 0501.298.792 REPAIR KIT (SKU: 0501.298.792) is a critical OEM genuine service assembly designed to restore hydraulic integrity and mechanical performance within ZF heavy-duty powershift transmissions. This kit contains all necessary sealing elements, gaskets, and wear components required to overhaul the clutch pack or valve body section. It is engineered to eliminate internal pressure loss and prevent cross-contamination between hydraulic circuits. When servicing the transmission, this kit is often paired with a new 4699101108: HOUSING to ensure a perfectly sealed base for the rotating assembly. The kit also works in conjunction with the 0501329881: HOUSING COVER to secure the internal components against debris ingress.
Symptoms of Failure
When the 0501.298.792 repair kit components degrade, operators will notice distinct operational faults. Look for these specific failure indicators:
- Hydraulic oil leaks at the bell housing or clutch drum: Worn seals within the kit allow pressurized ATF to escape, leaving visible puddles under the machine.
- Delayed gear engagement or clutch slip under load: Internal O-rings lose elasticity, causing pressure drops that prevent full clutch pack clamping force.
- Erratic shifting or harsh engagement: Degraded sealing rings cause intermittent pressure spikes, leading to unpredictable shift quality during operation.
- Overheating transmission fluid: Internal leakage generates excessive heat due to constant hydraulic slippage, accelerating fluid breakdown.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 0501.298.792 |
| Type | Repair Kit (Seals, Gaskets, O-Rings) |
| Material | Nitrile Rubber (NBR) / FKM (Viton) Seals |
| Weight | 0.45 kg (1.0 lb) |
| OEM Reference | ZF 0501.298.792 |
| Compatible Seal Types | Piston Seals, Wiper Seals, Backup Rings |
Compatibility
This genuine ZF repair kit is primarily engineered for the WG180 and WG200 series powershift transmissions commonly found in construction machinery such as wheel loaders, graders, and telehandlers. It is also applicable to select WG150 and WG210 variants where the clutch drum or valve body architecture matches the seal profile. Always verify the transmission serial number against the kit contents. During installation, the 0630513065: SNAP RING must be replaced to secure the piston assembly, and the 0634306309: O-RING is critical for sealing the housing cover interface.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4699101108 | HOUSING | Main structural carrier for clutch and gear assembly |
| 0501329881 | HOUSING COVER | Encloses and protects internal hydraulic circuits |
| 0630513065 | SNAP RING | Retains piston and clutch pack in position |
| 0634306309 | O-RING | Seals fluid passages between housing and cover |
| 0637885612 | BREATHER | Equalizes internal pressure and vents moisture |
| 0769100082 | TYPE PLATE | Identification label for transmission model |
| 4699001152 | GK10LD | Gear kit for low-speed planetary reduction |
| 4699102172 | INPUT | Input shaft assembly for torque converter |
| 4699103057 | OUTPUT | Output shaft delivering power to driveline |
| 4699105091 | TURNTABLE BEARING | Rotary support for swing drive applications |
