Overview
This complete ZF 4657.054.123 4 WG 210 Powershift Transmission Assembly is a fully integrated unit designed for heavy-duty off-highway machinery. As a core component of the WG 210 Series, this assembly manages torque distribution and gear ratio changes under load without interrupting power flow. The SKU 4657.054.123 serves as the primary rotating assembly, housing the planetary gear sets and clutch packs that enable smooth directional shifts. It sits between the engine bell housing and the final drive, directly coupling to the TRANSMISSION HOUSING to form a sealed, pressurized oil circuit. This unit is engineered for long service intervals in loaders, graders, and industrial tractors.
Symptoms of Failure
- Delayed or harsh engagement: When the internal clutch packs wear, operators experience a noticeable lag or jarring shift when moving from forward to reverse, indicating internal hydraulic pressure loss.
- Oil leaks at the housing seam: A common failure is fluid weeping between the main casing and the HOUS.FRONT SECT, often caused by gasket fatigue or cracked bolt bosses.
- Gear slipping under load: Worn friction discs or damaged planetary gears cause the transmission to momentarily lose drive power when climbing grades or pushing heavy loads.
- Unusual whining or grinding noises: Metallic sounds from the center section suggest bearing failure or debris contamination, often requiring immediate disassembly of the HOUSING REAR PART.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number / SKU | 4657.054.123 |
| Series | WG 210 Powershift |
| Dry Weight (approx.) | 185 kg (408 lbs) |
| Overall Length | 620 mm |
| Overall Width | 480 mm |
| Overall Height | 410 mm |
| Housing Material | High-grade cast iron (GGG-40) |
| OEM Reference | ZF 4657.054.123 |
| Bolt Torque (housing) | 120 Nm (using CAP SCREW 0636100801) |
| Oil Capacity | 14 liters (ATF Dexron III) |
Compatibility
This complete assembly is specifically designed for the ZF WG 210 transmission series. It is directly compatible with WG 180, WG 200, and WG 210 models used in construction and agricultural equipment. The unit interfaces with the HOUSING REAR PART (4472239184) and the front section to create a sealed driveline. It is not compatible with older WG 120 or WG 150 series without adapter plates.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101051 | TRANSMISSION HOUSING | Main casing that encloses the gear train and oil sump |
| 4657201151 | HOUS.FRONT SECT | Front section housing the input shaft and pump drive |
| 4657201103 | HOUSING REAR PART | Rear casing supporting the output flange and PTO |
| 4472239184 | HOUSING REAR PART | Alternate rear housing variant for specific torque converters |
| 0631306816 | CYLINDRICAL PIN | Alignment pin for precise housing mating |
| 0636100801 | CAP SCREW | M12 bolt for securing housing sections |
| 4656301148 | FIXING PLATE | Locking plate for clutch pack retention |
| 4657301032 | SCREEN SHEET | Fine mesh filter for oil return circuit |
| 4657301033 | SCREEN SHEET | Coarse mesh pre-filter for suction line |
| 0636100803 | CAP SCREW | M10 bolt for filter cover attachment |
Frequently Asked Questions
Q: Is the ZF 4657.054.123 a direct bolt-in replacement for a WG 210 transmission?
A: Yes, this is a complete assembly that replaces the entire rotating group. Ensure your existing TRANSMISSION HOUSING is in good condition, as the unit seals directly against it.
Q: What tools are needed to install this assembly?
A: You will need a torque wrench capable of 120 Nm, a set of hex sockets, and a lifting fixture rated for 200 kg. The CAP SCREW 0636100801 is required for the main housing bolts.
Q: Can I use this unit with a different rear housing?
A: This assembly is designed to work with either the HOUSING REAR PART 4657201103 or the HOUSING REAR PART 4472239184, depending on your PTO configuration. Verify your existing rear section before ordering.
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Email: info@partszf.com |
Phone: +86 158 2286 3467 |
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