Overview
The ZF 4657.063.011 3 WG 211 Powershift Transmission Assembly is a complete, factory-grade unit engineered for heavy-duty industrial applications. This assembly integrates the core planetary gearset and clutch pack system, serving as the central power distribution hub within the WG 211 series. Designed to handle high torque loads in construction, mining, and agricultural machinery, the SKU 4657.063.011 replaces worn or failed assemblies to restore original shift quality and driveline efficiency. It is typically mounted between the TRANSMISSION HOUSING and the HOUS.FRONT SECT, ensuring precise alignment of internal components.
Symptoms of Failure
- Erratic gear engagement or slipping under load: When the 4657.063.011 assembly wears, internal clutch packs fail to hold pressure, causing the transmission to slip during acceleration or incline operation.
- Hydraulic oil leaks near the housing joint: Degraded seals within this unit allow transmission fluid to escape, often pooling around the HOUSING REAR PART interface.
- Delayed or harsh shifting: Worn valve body components in the assembly produce a noticeable lag between gear changes, followed by abrupt engagement.
- Unusual metallic grinding noises: Bearing or gear wear inside the unit generates a high-pitched whine or grinding sound, especially in neutral or low gears.
Technical Specifications
| Specification | Value |
|---|---|
| Part Number / SKU | 4657.063.011 |
| Assembly Type | Complete Powershift Unit (3 WG 211) |
| Dry Weight (approx.) | 68 kg (150 lbs) |
| Housing Material | High-strength cast iron |
| Overall Length | 520 mm |
| Overall Width | 380 mm |
| Overall Height | 410 mm |
| OEM Reference | ZF 4657.063.011 / 3 WG 211 |
| Seal Type | Viton® O-rings & PTFE lip seals |
| Bolt Torque Spec | Refer to ZF service manual |
Compatibility
This complete assembly is designed for the ZF WG 211 series powershift transmissions. It is directly compatible with models including WG180, WG200, and WG211 found in loaders, dozers, and forklifts. The unit also fits select variants of the WG 120 and WG 150 series when paired with the correct CYLINDRICAL PIN alignment kit. Always verify your transmission model number before installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101049 | TRANSMISSION HOUSING | Main structural casing for gear and shaft support |
| 4657301130 | HOUS.FRONT SECT | Front section housing for input shaft and pump drive |
| 4657301131 | HOUSING REAR PART | Rear casing enclosing output shaft and parking brake |
| 0631306816 | CYLINDRICAL PIN | Precision alignment dowel for housing assembly |
| 0636102489 | CAP SCREW | M12 fastener for securing housing sections |
| 4656301148 | FIXING PLATE | Locking plate for clutch pack retention |
| 0636102463 | CAP SCREW | M10 bolt for valve body attachment |
| 4657201133 | SCREEN SHEET | Fine mesh filter for hydraulic fluid debris |
| 0636115287 | CAP SCREW | M8 bolt for oil pan or cover plate |
| 4657301065 | PLATE | Wear plate for clutch piston thrust surface |
Frequently Asked Questions
Q: Is the ZF 4657.063.011 a direct bolt-in replacement for my WG 211 transmission?
A: Yes, this complete assembly is a factory-spec replacement for the 3 WG 211 series. Ensure your transmission housing and front section are undamaged; we recommend replacing the CYLINDRICAL PIN during installation for proper alignment.
Q: What tools are required to install this assembly?
A: Standard metric socket set, torque wrench (up to 180 Nm), and a seal driver kit. The TRANSMISSION HOUSING must be cleaned of old gasket material before mounting.
Q: Can this unit be rebuilt, or is it only sold as a complete assembly?
A: It is sold as a complete, pre-assembled unit. Internal components like the HOUSING REAR PART and clutch plates are not sold separately for this SKU.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
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