Overview
The ZF 4651.056.025 is a precision-engineered component designed specifically for the WG 110 series transmission. This OEM genuine part plays a critical role in maintaining hydraulic pressure integrity within the valve body assembly, ensuring smooth gear engagement and consistent power delivery. As a direct replacement for the original factory unit, the SKU 4651.056.025 is manufactured to ZF’s exacting tolerances, providing reliable performance in heavy-duty industrial applications. When installed alongside the 4651101013: TRANSMISSION HOUSING, this part helps maintain the structural alignment necessary for long service life.
Symptoms of Failure
When the ZF 4651.056.025 begins to wear out, operators may notice several distinct failure indicators. Hydraulic pressure loss during acceleration is a common symptom, often accompanied by delayed gear engagement. Oil seepage around the valve body area can occur as seals degrade, leading to low fluid levels. Intermittent gear slipping under load becomes more frequent, particularly when the transmission is hot. Erratic shift patterns may also develop, causing harsh or delayed shifts that reduce drivability. If you observe any of these issues, inspect the 0634303928: O-RING and the 4651301032: HOUSING for signs of wear.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 4651.056.025 |
| Material | Hardened steel with corrosion-resistant coating |
| Weight | 0.85 kg (1.87 lbs) |
| Dimensions (L x W x H) | 120 mm x 45 mm x 30 mm |
| OEM Reference | ZF 4651.056.025 |
| Seal Type | Integrated PTFE lip seal |
Compatibility
This OEM genuine part is primarily designed for the ZF WG 110 series transmission, but it also fits several related models in the ZF powershift family. Compatible transmissions include the WG 110, WG 120, WG 150, and WG 180 series. For installations in the WG 200 or WG 250 models, verify clearance with the 4651301033: HOUSING to ensure proper fitment. Always cross-reference your transmission serial number before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4651101013 | TRANSMISSION HOUSING | Main structural casing for gear assembly |
| 4651301032 | HOUSING | Secondary housing for valve body support |
| 0634303928 | O-RING | Seals hydraulic fluid passages |
| 4651301033 | HOUSING | Alternate housing variant for WG series |
| 4651203002 | SCREEN SHEET | Filters debris from hydraulic oil |
| 4651303005 | SCREEN SHEET | Secondary filtration element |
| 0636101032 | CAP SCREW | Fastener for housing assembly |
| 0630361028 | SEALING CAP | Prevents fluid leakage from ports |
| 4475280060 | SCREW PLUG | Threaded plug for access points |
| 0634303312 | O-RING | Secondary sealing ring for high-pressure circuits |
Frequently Asked Questions
Q: Can the ZF 4651.056.025 be used in a WG 200 transmission?
A: While primarily designed for the WG 110 series, this part may fit WG 200 models if the housing dimensions match. Always compare the 4651301032: HOUSING dimensions with your existing assembly to confirm compatibility.
Q: How do I know if my 4651.056.025 part is failing?
A: Look for hydraulic fluid leaks near the valve body, delayed gear engagement, or intermittent slipping during heavy loads. Replacing the 0634303928: O-RING at the same time is recommended to prevent recurring issues.
Q: Is this part a direct OEM replacement?
A: Yes, the 4651.056.025 is an OEM genuine ZF part, identical to the original factory component. It requires no modifications for installation in compatible WG 110 series transmissions.
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Phone: +86 158 2286 3467 |
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