Overview
This ZF 4657.053.105 3 WG 210 Powershift Transmission Assembly is a complete, factory-matched unit designed for heavy-duty off-highway applications. As the core rotating assembly within the WG 210 series, it integrates the planetary gear sets, clutches, and shaft system that convert engine torque into controlled, shiftable power. The SKU 4657.053.105 replaces the entire internal gear train, ensuring precise gear engagement and load distribution across the transmission. It sits directly between the TRANSMISSION HOUSING and the rear support structures, making it the central component for power flow in wheel loaders, graders, and industrial tractors.
Symptoms of Failure
- Delayed or harsh gear engagement: When the assembly wears, internal clutch packs and bearings lose tolerance, causing a noticeable lag or jarring shift when moving from forward to reverse.
- Low hydraulic pressure and erratic shifting: Worn seals or scored shafts within the 4657.053.105 unit lead to pressure drops, resulting in slipping gears or the transmission failing to hold a selected range under load.
- Metallic debris in the oil filter or pan: Advanced wear of planetary gears or thrust washers produces fine metal particles, often detected during routine oil changes, indicating imminent failure of the complete assembly.
- Torque converter lock-up failure: A failing internal assembly can prevent the torque converter from locking, causing excessive heat buildup and reduced fuel efficiency during high-speed travel.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number / SKU | 4657.053.105 |
| Assembly Type | Complete Powershift Assembly (3 WG 210) |
| Dry Weight (approx.) | 185 kg (408 lbs) |
| Overall Length | 720 mm |
| Housing Material | High-strength cast iron |
| OEM Reference | ZF 3 WG 210 Series |
| Torque Capacity (max) | 1,200 Nm (885 lb-ft) |
| Number of Speeds | 3 forward / 3 reverse |
Compatibility
This complete unit is engineered specifically for the ZF WG 210 series transmissions. It is directly compatible with the WG 180, WG 200, and WG 210 models used in construction and agricultural machinery. The assembly interfaces with the HOUS.FRONT SECT at the input side and the HOUSING REAR PART at the output. For extended configurations, it also mates with the HOUSING REAR SECTION to support additional PTO or drop-box installations. Always verify your transmission serial number before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101078 | TRANSMISSION HOUSING | Main structural case enclosing the gear assembly |
| 4657201166 | HOUS.FRONT SECT | Front section housing the input shaft and pump drive |
| 4657201168 | HOUSING REAR PART | Rear section supporting output flange and bearings |
| 4657298101 | HOUSING REAR SECTION | Extended rear housing for multi-speed configurations |
| 0631306816 | CYLINDRICAL PIN | Alignment pin for housing-to-assembly doweling |
| 0636100801 | CAP SCREW | Fastener for securing housing sections |
| 4656301148 | FIXING PLATE | Locking plate for clutch piston retention |
| 4657301032 | SCREEN SHEET | Fine mesh filter for hydraulic circuit |
| 4657301033 | SCREEN SHEET | Coarse mesh pre-filter for oil return line |
| 0636100803 | CAP SCREW | High-tensile bolt for final drive attachment |
Frequently Asked Questions
Q: Can the 4657.053.105 assembly be rebuilt, or must it be replaced as a complete unit?
A: While individual components like seals and bearings can be serviced, the planetary gear sets and clutch drums are matched and pressed together. ZF recommends replacing the complete assembly to avoid mismatched wear patterns that cause premature failure.
Q: What is the typical service life of this assembly in a wheel loader application?
A: Under normal operating conditions with proper maintenance (clean oil, correct pressure), the 3 WG 210 assembly typically lasts 8,000 to 12,000 hours. Harsh environments or repeated shock loading can reduce this interval significantly.
Q: Does this unit include the torque converter?
A: No. The 4657.053.105 is the gear train assembly only. The torque converter is a separate component that mounts to the front of the HOUS.FRONT SECT and must be ordered independently.
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Phone: +86 158 2286 3467 |
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