Overview
This complete ZF 4657.063.008 3 WG 211 Powershift Transmission Assembly is a fully integrated unit designed for heavy-duty off-highway machinery. As a core component of the WG 211 series, this assembly manages torque distribution and gear selection under extreme loads, ensuring smooth directional shifts in wheel loaders and graders. The SKU 4657.063.008 serves as a direct replacement for worn-out units, restoring driveline integrity. Within the transmission, this assembly interfaces directly with the TRANSMISSION HOUSING, which encloses the rotating clutch packs and planetary gearsets.
Symptoms of Failure
- Erratic gear engagement or slipping under load: When the internal clutch packs or seals degrade, the unit fails to hold pressure, causing the transmission to slip during acceleration or uphill operation.
- External oil leaks around the housing joints: Worn gaskets or cracked castings allow transmission fluid to escape, often pooling near the HOUS.FRONT SECT or the HOUSING REAR PART.
- Delayed or harsh shifting: A failing assembly often produces a noticeable lag when shifting from forward to reverse, accompanied by a jarring clunk.
- Metallic grinding noises: Worn bearings or damaged gears inside the unit generate a distinct whine or grind, especially at low speeds.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number / SKU | 4657.063.008 |
| Assembly Type | 3 WG 211 Powershift Transmission (Complete Unit) |
| Overall Length | ~720 mm (estimated) |
| Overall Width | ~480 mm (estimated) |
| Overall Height | ~550 mm (estimated) |
| Dry Weight | ~185 kg (estimated) |
| Primary Material | Cast iron housing with steel gears |
| OEM Reference | ZF 4657.063.008 |
| Fastener Torque (M16) | 210 Nm (use CAP SCREW 0636102489) |
| Seal Plate Fixing | FIXING PLATE 4656301148 required |
| Secondary Fastener | CAP SCREW 0636102463 |
| Filter Screen | SCREEN SHEET 4657201133 |
| Housing Cap Screw | CAP SCREW 0636115287 |
| Cover Plate | PLATE 4657301065 |
Compatibility
This complete assembly is engineered for the ZF WG 211 series, but its core architecture is shared with several other ZF powershift models. It is directly compatible with the WG180, WG200, and WG210 transmissions used in mid-size wheel loaders and telehandlers. The unit also fits select variants of the 3 WG 200 series where the CYLINDRICAL PIN 0631306816 aligns the housing sections. Always verify the bellhousing pattern and input shaft spline count before installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101049 | TRANSMISSION HOUSING | Main structural casing for gear and clutch assembly |
| 4657301130 | HOUS.FRONT SECT | Front section housing the input shaft and pump drive |
| 4657301131 | HOUSING REAR PART | Rear section enclosing the output shaft and parking brake |
| 0631306816 | CYLINDRICAL PIN | Alignment dowel for housing sections |
| 0636102489 | CAP SCREW | M16 bolt for main housing fastening |
| 4656301148 | FIXING PLATE | Retains the clutch piston assembly |
| 0636102463 | CAP SCREW | M12 bolt for valve body mounting |
| 4657201133 | SCREEN SHEET | Fine mesh filter for hydraulic circuit |
| 0636115287 | CAP SCREW | M10 bolt for cover plate retention |
| 4657301065 | PLATE | Access cover for clutch adjustment |
Frequently Asked Questions
Q: Can this 4657.063.008 assembly be rebuilt, or must it be replaced as a unit?
A: While individual internal components like clutch discs and seals are serviceable, the complete unit is typically replaced when the housing is cracked or the planetary gearset is damaged. We recommend a full unit swap for maximum reliability.
Q: What is the typical service life of this ZF 3 WG 211 assembly?
A: Under normal operating conditions with proper fluid maintenance, this powershift transmission assembly can last 8,000 to 12,000 hours. Harsh environments or frequent direction changes may reduce this interval.
Q: Do I need any special tools to install this assembly?
A: Yes, you will need a transmission jack, a torque wrench capable of 210 Nm, and a set of alignment pins. The CYLINDRICAL PIN 0631306816 is essential for aligning the housing sections during installation.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
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