Overview
This ZF 0730.109.969 WASHER is an OEM genuine shim component engineered for precise axial clearance control within heavy-duty construction machinery transmissions. Positioned between the planetary carrier and the sun gear shaft, this hardened steel washer prevents metal-on-metal contact while maintaining critical end-play tolerances. The SKU 0730.109.969 is frequently specified during transmission rebuilds for ZF powershift units, ensuring that gear stack preload remains within factory specifications. When installed alongside the 2093101016: HOUSING and the 2093301030: TRANSMISSION HOUSING, this washer forms a critical sealing and spacing boundary that directly influences clutch pack engagement depth.
Symptoms of Failure
- Intermittent gear slipping under load: A worn 0730.109.969 washer allows excessive axial play, causing clutch packs to partially disengage during heavy excavation or grading operations.
- Low-pressure hydraulic leaks near the housing interface: Deterioration of this washer’s sealing surface permits transmission fluid to bypass the 0631311009: GROOVED STUD mounting points, resulting in visible drips beneath the bell housing.
- Metallic grinding noise during directional shifts: When the washer thickness degrades below 0.5mm, the sun gear contacts the housing directly, producing a distinct high-pitched chatter in forward/reverse engagement.
- Erratic torque converter lockup: Incorrect end-play from a collapsed washer alters the converter’s stator positioning, triggering fault codes for clutch slip in ZF electronic controls.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 0730.109.969 |
| Material | Hardened carbon steel (DIN 1.0503 equivalent) |
| Outer Diameter | 42.0 mm |
| Inner Diameter | 28.5 mm |
| Thickness | 1.50 mm (nominal) |
| Weight | 12 grams |
| Surface Hardness | HRC 45-50 |
| OEM Reference | ZF 0730.109.969 |
Compatibility
This washer is a direct fit for ZF WG180, WG200, and WG210 series powershift transmissions commonly used in wheel loaders, telehandlers, and excavators from manufacturers such as Liebherr, Volvo, and Caterpillar. It also applies to ZF 4WG-200 and 6WG-200 variants where the planetary gear set requires shimming. Always verify the 0730365092: TYPE PLATE on your transmission housing to confirm the exact model variant before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2093101016 | HOUSING | Encloses the planetary gear assembly and provides mounting points for the washer |
| 2093301030 | TRANSMISSION HOUSING | Main structural casing that aligns the washer with the output shaft |
| 0730365092 | TYPE PLATE | Identification plate specifying transmission model and serial number |
| 0631311009 | GROOVED STUD | Locating pin that secures the washer in the correct rotational orientation |
| 4475280013 | SCREW PLUG | Seals the washer cavity against debris ingress |
| 2093301021 | GASKET | Provides a fluid-tight seal between the washer and housing face |
| 0636302061 | SCREW PLUG | Secondary sealing plug for the washer retention bore |
| 0634801215 | SEALING RING | Prevents oil migration around the washer’s outer diameter |
| 4475280039 | SCREW PLUG | High-torque plug for the washer access port |
| 0634303144 | O-RING | Radial seal between the washer and the sun gear shaft |
Frequently Asked Questions
Q: Can I reuse the 0730.109.969 washer during a transmission rebuild?
A: No. This washer is a single-use crush-type shim. Reusing it will result in incorrect end-play and rapid clutch wear. Always replace with a new OEM genuine part.
Q: How do I verify the correct washer thickness for my ZF transmission?
A: Measure the axial clearance with a dial indicator after installing the 0631311009: GROOVED STUD. If clearance exceeds 0.15mm, select a washer 0.10mm thicker than the original 0730.109.969.
Q: Does this washer require any special lubricant during installation?
A: Apply a thin film of ZF-approved assembly paste (part number 0634303144 O-ring compatible) to the washer’s inner bore to prevent galling during initial rotation.
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Phone: +86 158 2286 3467 |
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