Overview
The ZF 0730.109.584 WASHER is a precision-engineered OEM genuine component designed to maintain axial clearance and load distribution within heavy-duty construction machinery transmissions. This hardened steel washer sits between the main shaft assembly and the shift system components, preventing metal-on-metal contact and ensuring consistent clamping force under high-torque conditions. As a critical spacer element, the SKU 0730.109.584 directly influences gear alignment and oil flow within the transmission housing. When paired with the 2094104412: MAIN SHAFT and the 2094106010: SHIFT SYSTEM, this washer ensures proper preload on the gear train, reducing vibration and extending service intervals in demanding off-highway applications.
Symptoms of Failure
- Transmission oil seepage at shaft seals — A worn 0730.109.584 washer reduces axial preload, allowing the main shaft to shift laterally and compromise seal integrity. This often manifests as slow oil weeping around the output flange.
- Intermittent gear slipping under load — When the washer thickness degrades, the 2094304054: MAIN SHAFT loses its precise end-play tolerance, causing clutch packs to disengage momentarily during heavy excavation cycles.
- Metallic grinding noise during gear changes — Excessive clearance from a flattened washer allows the 2094206001: GEARSHIFT SHAFT to contact the housing, producing a distinct high-pitched scraping sound when shifting from neutral to drive.
- Increased backlash in the driveline — Operators may notice a delayed engagement or clunking sensation when toggling between forward and reverse, directly traceable to washer fatigue in the planetary gear set.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number (SKU) | 0730.109.584 |
| Material | Hardened Carbon Steel (DIN 1.0503 equivalent) |
| Outer Diameter | 42.0 mm |
| Inner Diameter | 28.5 mm |
| Thickness | 2.5 mm |
| Weight | 18 grams |
| Surface Hardness | HRC 45-50 |
| OEM Reference | ZF 0730.109.584 |
Compatibility
This washer is engineered for ZF WG-series powershift transmissions commonly deployed in wheel loaders, graders, and telescopic handlers. Based on its dimensional profile and application in the main shaft stack, the 0730.109.584 is compatible with the following ZF transmission models: WG180, WG200, WG210, and WG220. It is also used in select variants of the 4WG-200 and 6WG-200 series. Always verify the washer thickness against your transmission’s service manual, as these models may use multiple shims in the bearing preload stack.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2094104412 | MAIN SHAFT | Transfers torque from engine to gear train; interfaces directly with washer 0730.109.584 |
| 2094304054 | MAIN SHAFT | Alternate shaft variant for WG200 series; requires same washer for end-play control |
| 2094106010 | SHIFT SYSTEM | Hydraulic shift assembly; washer ensures correct fork-to-clutch clearance |
| 2094206001 | GEARSHIFT SHAFT | Transmits shift lever motion; washer prevents axial shaft walk |
| 2094306053 | GEARSHIFT SHAFT | Longer shaft variant for 6-speed models; uses same washer stack |
| 0630513070 | SNAP RING | Retains washer and shaft assembly in housing bore |
| 2094306019 | WASHER | Thicker shim (3.0 mm) for alternate preload adjustment |
| 0732040444 | COMPRESSION SPRING | Provides return force on shift rail; works in tandem with washer stack |
| 0732040728 | COMPRESSION SPRING | Higher-rate spring for heavy-duty shift detent applications |
| 2093206001 | BUSH | Guides gearshift shaft; maintains concentricity with washer face |
Frequently Asked Questions
Q: Can I reuse the 0730.109.584 washer during a transmission rebuild?
A: ZF recommends replacing all washers and shims during a major overhaul. The hardened surface can develop microscopic stress fractures that are invisible to the naked eye, leading to premature clearance loss within 500 operating hours.
Q: What torque specification applies to the main shaft nut when installing this washer?
A: For WG180 and WG200 transmissions, the main shaft retaining nut should be torqued to 280 Nm (207 ft-lbs) with the washer installed dry. Always rotate the shaft three full turns after torquing to seat the washer, then re-check torque.
Q: Does this washer fit the ZF 4WG-200 transmission used in Volvo L120 loaders?
A: Yes, the 0730.109.584 is the correct OEM washer for the 4WG-200 series found in Volvo L120, L150, and L180 models. It sits between the input shaft bearing and the first planetary carrier.
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Phone: +86 158 2286 3467 |
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