Overview
The ZF 0730.111.758 WASHER is a precision-engineered OEM genuine component designed specifically for the WG 200 series transmissions. This hardened steel washer functions as a critical load-spreading element between rotating assemblies and stationary housings, ensuring correct axial clearance and preventing metal-on-metal contact under high torque loads. As a factory-specified shim, the SKU 0730.111.758 maintains the exact preload tolerances required for the planetary gear sets and differential assemblies within the WG200 powertrain. When paired with the 4460115043 HOUSING, this washer provides the necessary thrust surface to protect the casing from wear induced by the 0750117406 TAPER ROLLER BEARING during heavy-duty operation.
Symptoms of Failure
- Transmission oil seepage at the axle drive interface: A worn 0730.111.758 washer reduces clamping force, allowing lubricant to escape past the 4469315012 AXLE DRIVE HOUSING seal surface.
- Audible whining or grinding from the gearbox under load: Excessive clearance from a collapsed washer causes the 0750117802 TAPERED ROLLER BEARING to lose preload, generating metallic noise during acceleration.
- Intermittent gear engagement hesitation: Dimensional loss in the washer stack alters the axial position of the output shaft, leading to delayed clutch pack engagement in WG200 models.
- Visible metallic debris in the transmission fluid: A fractured washer sheds fine steel particles into the oil circuit, contaminating valve bodies and cooler lines.
Technical Specifications
| Specification | Value |
|---|---|
| Part Number | 0730.111.758 |
| Inner Diameter | 42.0 mm |
| Outer Diameter | 68.0 mm |
| Thickness | 2.5 mm |
| Material | Case-hardened steel (DIN 1.7131) |
| Surface Hardness | 58-62 HRC |
| Weight | 0.045 kg |
| OEM Reference | ZF 0730.111.758 |
| Compatible Seal | 0734319337 SHAFT SEAL |
Compatibility
This genuine ZF washer is engineered for the WG 200 series transmission family, including the WG180, WG200, and WG210 variants. It is also utilized in select ZF off-highway and marine gearboxes that share the same planetary carrier architecture. The 0730.111.758 is frequently specified as a replacement shim when rebuilding the differential section alongside the 4469315012 AXLE DRIVE HOUSING. For correct stack height verification, always measure the existing washer set and compare with the 0730161317 WASHER or 0730161451 WASHER for alternative thickness options.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4460115043 | HOUSING | Main transmission casing that encloses planetary gear sets |
| 4469315012 | AXLE DRIVE HOUSING | Output housing that transfers torque to the drive axle |
| 0750117406 | TAPER ROLLER BEARING | Supports radial and axial loads on the input shaft |
| 0750117802 | TAPERED ROLLER BEARING | Handles thrust loads from the differential assembly |
| 0734319337 | SHAFT SEAL | Prevents oil leakage at the output shaft bore |
| 0730161317 | WASHER | Thickness variant shim for preload adjustment |
| 0730161451 | WASHER | Alternate thickness shim for fine-tuning clearance |
| 0730161452 | WASHER | Medium-thickness spacer for bearing stack |
| 0730161453 | WASHER | Thick shim for high-wear compensation |
| 0730161340 | WASHER | Thin adjustment shim for precision spacing |
