Overview
This complete ZF 4 WG 210 Powershift Transmission Assembly (SKU: 4657.054.069) serves as the core power transfer unit for heavy-duty industrial applications. Designed as a fully assembled drop-in replacement, this unit integrates the torque converter, planetary gear sets, and hydraulic control system into a single sealed housing. The 4657.054.069 sits between the engine flywheel and the driveline, managing gear ratio changes under full load without interrupting power flow. It is the central component of the WG 210 Series, responsible for converting engine torque into usable wheel or PTO speed across four forward and multiple reverse gears.
Symptoms of Failure
- Erratic shifting or gear slippage under load: When internal clutch packs or seals degrade, the transmission may hesitate between gears or lose torque during acceleration, especially on inclines.
- External oil leaks near the bell housing or rear seal: Worn gaskets or cracks in the TRANSMISSION HOUSING allow ATF to escape, leaving puddles under the vehicle and causing low pressure.
- Delayed engagement when shifting from Neutral to Drive: A failing hydraulic pump or valve body wear can cause a 3-5 second lag before the transmission engages, indicating internal wear.
- Unusual whining or grinding noises from the center section: Damaged planetary gears or bearings produce metallic sounds that worsen with RPM, often traced to the HOUS.FRONT SECT or HOUSING REAR PART.
Technical Specifications
| Parameter | Specification |
|---|---|
| Assembly Weight (dry) | 185 kg (408 lbs) |
| Overall Length | 720 mm |
| Overall Width | 510 mm |
| Overall Height | 480 mm |
| Housing Material | High-grade cast iron (GGG-40) |
| OEM Reference | ZF 4657.054.069 |
| Torque Capacity | 2100 Nm (max input) |
| Fluid Capacity | 22 liters (ZF TE-ML 03 spec) |
Compatibility
This complete unit is engineered for the WG 210 Series powershift family. It is directly compatible with ZF models including the WG 180, WG 200, and WG 210 transmissions used in wheel loaders, forklifts, and industrial tractors. The assembly also fits select variants of the WG 160 series with adapter plates. Always verify the bell housing pattern and PTO configuration against your existing unit before installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101031 | TRANSMISSION HOUSING | Main structural casing that encloses all rotating assemblies |
| 4657201027 | HOUS.FRONT SECT | Front section housing the torque converter and pump drive |
| 4657201020 | HOUSING REAR PART | Rear section supporting output shaft and PTO mounting |
| 0631306792 | CYLINDRICAL PIN | Alignment dowel for precise housing mating during assembly |
| 0636100801 | CAP SCREW | M12 bolt securing the housing flanges |
| 4656301148 | FIXING PLATE | Locking plate for clutch piston retention |
| 4657301032 | SCREEN SHEET | Fine mesh filter for oil return circuit (inner) |
| 4657301033 | SCREEN SHEET | Coarse mesh filter for oil suction circuit (outer) |
| 0636100803 | CAP SCREW | M10 bolt for valve body attachment |
| 4681301040 | OIL FEED.HOUSG. | Pressurized oil supply tube to clutch packs |
Frequently Asked Questions
Q: Can I install this 4657.054.069 unit without replacing the torque converter?
A: It is strongly recommended to replace the torque converter simultaneously. The complete assembly includes the converter, but if you are reusing an old converter, inspect it for stator wear and metal contamination first.
Q: What is the typical lifespan of this powershift transmission under heavy use?
A: With proper maintenance (filter changes every 500 hours and fluid analysis), the WG 210 series typically lasts 8,000–12,000 operating hours before requiring a major overhaul.
Q: Does this assembly include the electronic shift controller?
A: No. The 4657.054.069 is the hydraulic-mechanical unit only. The external ECU and wiring harness must be ordered separately if your application requires electronic modulation.
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