Overview
The ZF 5838.300.119 COVER is a critical OEM genuine component designed to seal and protect the internal assemblies of heavy-duty ZF transmissions used in construction machinery. This part, identified by SKU 5838.300.119, mounts directly onto the transmission housing, serving as a barrier against contaminants while maintaining proper oil pressure and lubrication flow. It is engineered to withstand extreme vibration, thermal cycling, and mechanical stress typical in excavators, wheel loaders, and graders. As a factory-spec replacement, the 5838.300.119 ensures a precise fit and reliable sealing performance, safeguarding adjacent components such as the 5838109006 DIFFERENTIAL and the 2095209037 DIFFERENTIAL from debris ingress and fluid loss.
Symptoms of Failure
When the ZF 5838.300.119 COVER deteriorates, operators may notice several distinct failure indicators. Oil seepage around the transmission housing is the most common symptom, often visible as wet spots or drips beneath the machine after shutdown. Contaminated transmission fluid can occur if the cover cracks, allowing dirt and moisture to enter, leading to accelerated wear on internal gears. Unusual whining or grinding noises from the drivetrain may develop as oil pressure drops due to a compromised seal. Additionally, erratic gear engagement or slipping can result from insufficient lubrication reaching the 0750117075 TAPER ROLLER BEARING and the 2095309059 DIFF.HOUSING, both of which rely on proper cover integrity for optimal performance.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 5838.300.119 |
| Material | High-grade cast aluminum alloy with corrosion-resistant coating |
| Weight | 1.8 kg (approx.) |
| Dimensions (L x W x H) | 280 mm x 180 mm x 45 mm |
| OEM Reference | ZF Friedrichshafen AG genuine |
| Sealing Type | Integrated gasket groove with O-ring compatibility |
Compatibility
This OEM cover is engineered for ZF transmissions commonly deployed in construction machinery, including the WG180, WG200, and WG211 series. It also fits select models of the ZF 4WG-200 and 6WG-200 power shift transmissions found in articulated dump trucks and crawler dozers. For precise fitment verification, always cross-reference the 5838.300.119 with your transmission’s serial number. When replacing this cover, it is recommended to inspect the 0631329086 SPRING PIN and 0730300820 THRUST WASHER for wear, as these components often require simultaneous service.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 5838109006 | DIFFERENTIAL | Distributes torque to drive axles |
| 0750117075 | TAPER ROLLER BEARING | Supports rotating shafts under load |
| 2095209037 | DIFFERENTIAL | Manages wheel speed variation |
| 2095309059 | DIFF.HOUSING | Encloses differential gears |
| 0631329086 | SPRING PIN | Secures alignment of mating parts |
| 0730300820 | THRUST WASHER | Reduces axial friction |
| 4482360002 | AXLE BEVEL GEAR | Transfers power to axle shafts |
| 2095309081 | DIFFERENTIAL AXLE | Connects differential to wheels |
| 5838300811 | THRUST WASHER | Controls end-play in gear sets |
| 4482360001 | DIFFERENTIAL BEVEL GEAR | Engages with ring gear for torque split |
