Overview
The ZF 0730.108.454 WASHER is a precision-engineered OEM genuine component designed to maintain critical axial clearances within heavy-duty construction machinery transmissions. This hardened steel washer sits between rotating gear assemblies and the transmission housing, preventing metal-on-metal contact and ensuring consistent load distribution. As part of the internal shim pack, the SKU 0730.108.454 directly influences gear mesh depth and bearing preload, making it essential for long-term drivetrain reliability. When installed alongside the 5838109012: DIFFERENTIAL, it helps stabilize the entire differential carrier assembly under high torque loads.
Symptoms of Failure
- Transmission oil seepage around the differential housing: A worn 0730.108.454 washer allows excessive end-play, breaking the seal between the housing and output shaft, leading to visible leaks.
- Intermittent gear slipping under load: When the washer thickness degrades, axial play increases, causing the 0750117075: TAPER ROLLER BEARING to lose proper preload, resulting in momentary power loss during excavation or lifting.
- Metallic grinding noise from the transmission sump: A collapsed or fractured washer permits the 2093209023: DIFFERENTIAL gears to contact the housing, producing a distinct scraping sound during deceleration.
- Increased vibration at the drive axle: Uneven washer wear creates misalignment in the 5838300626: DIFFERENTIAL HOUSING, transmitting harmonic vibrations through the chassis at highway speeds.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 0730.108.454 |
| Material | Hardened Carbon Steel (C45E, 58-62 HRC) |
| Outer Diameter | 68.0 mm |
| Inner Diameter | 42.5 mm |
| Thickness | 2.50 mm |
| Weight | 0.045 kg |
| OEM Reference | ZF 0730.108.454 |
| Surface Finish | Ground, phosphate coated |
Compatibility
This washer is engineered for ZF heavy-duty powershift transmissions commonly used in wheel loaders, dozers, and graders. It is a direct fit for the following ZF models: WG180, WG200, WG210, and WG250 series. The 0730.108.454 also appears in certain 4WG-200 and 6WG-250 variants where the differential carrier assembly uses a shimmed bearing arrangement. Always verify the thickness against your existing washer before installation, as stacked combinations may be required to achieve the specified 0.05–0.15 mm end-play.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 5838109012 | DIFFERENTIAL | Distributes torque between drive axles |
| 0750117075 | TAPER ROLLER BEARING | Supports differential carrier rotation |
| 2093209023 | DIFFERENTIAL | Secondary torque split unit |
| 5838300626 | DIFFERENTIAL HOUSING | Encloses differential gears |
| 0631329088 | SPRING PIN | Locks shift fork to shaft |
| 5838300811 | THRUST WASHER | Absorbs axial loads in gear train |
| 5838300721 | AXLE BEVEL GEAR | Transfers power to wheel hubs |
| 5838300633 | AXLE | Rotates wheel assembly |
| 5838300753 | THRUST WASHER | Controls side gear clearance |
| 5838300818 | THRUST WASHER | Adjusts pinion gear depth |
Frequently Asked Questions
Q: Can I reuse the 0730.108.454 washer during a rebuild?
A: No. This is a single-use crush washer that deforms during initial torqueing. Always replace it with a new OEM part to maintain proper bearing preload and prevent oil leaks.
Q: What tools are needed to install this washer?
A: You will need a dial indicator to measure end-play, a torque wrench capable of 250 Nm, and a bearing puller to remove the old 0750117075: TAPER ROLLER BEARING without damage.
Q: How do I verify the correct thickness of the 0730.108.454?
A: Measure the old washer with a micrometer. If the thickness is below 2.45 mm, replace it. For stacked shim packs, use a feeler gauge between the 5838300626: DIFFERENTIAL HOUSING and bearing race to confirm 0.05–0.15 mm clearance.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
Request a Quote →
