Overview
This complete ZF 4 WG 210 Powershift Transmission Assembly, identified by SKU 4657.054.030, is a fully assembled drop-in unit designed for heavy-duty industrial applications. It serves as the primary power transfer module, converting engine torque into controlled hydraulic power for wheel loaders, graders, and material handlers. The assembly integrates the torque converter, clutch packs, and planetary gearsets within a robust housing structure. For structural integrity, this unit mates directly with the TRANSMISSION HOUSING and the HOUS.FRONT SECT to form the main casing.
Symptoms of Failure
- Delayed or harsh engagement: When the unit wears, you may notice a pronounced lag between shifting and actual gear engagement, often accompanied by a jarring clunk. This indicates internal clutch pack wear or hydraulic pressure loss.
- Oil leaks at housing seams: Deteriorating gaskets or seal rings around the HOUSING REAR PART can cause transmission fluid to weep, leading to low fluid levels and eventual overheating.
- Gear slipping under load: A common symptom is the transmission unexpectedly dropping out of gear when the machine is under heavy load, such as during digging or pushing operations. This is often linked to worn friction discs or a failing torque converter stator.
- Unusual whining or grinding noises: Metallic sounds emanating from the bell housing typically point to bearing failure or a misaligned CYLINDRICAL PIN that secures the clutch drum assembly.
Technical Specifications
| Specification | Value |
|---|---|
| OEM Part Number | 4657.054.030 |
| Assembly Type | Complete Powershift Unit (4 WG 210) |
| Dry Weight (approx.) | 285 kg (628 lbs) |
| Overall Length | 720 mm |
| Overall Width | 510 mm |
| Overall Height | 580 mm |
| Housing Material | High-strength cast iron (GGG-40) |
| Max Input Torque | 1,200 Nm |
| OEM Reference | ZF 4 WG 210 |
| Fastener Torque Spec | 120 Nm (M16 bolts) |
Compatibility
This complete assembly is engineered for the ZF WG 210 series, but it is also backward compatible with select models in the WG 180 and WG 200 families when used with the correct adapter plates. Specifically, it fits ZF 4 WG 180, ZF 4 WG 200, and ZF 4 WG 210 transmissions found in Volvo L90, L120, and Caterpillar 950 wheel loaders. Always verify the bell housing pattern and torque converter pilot diameter before installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101031 | TRANSMISSION HOUSING | Main structural casing for gear train |
| 4657201027 | HOUS.FRONT SECT | Front section housing torque converter |
| 4657201020 | HOUSING REAR PART | Rear section supporting output shaft |
| 0631306792 | CYLINDRICAL PIN | Alignment pin for clutch drum |
| 0636100801 | CAP SCREW | M16 bolt for housing fastening |
| 4656301148 | FIXING PLATE | Locks bearing in position |
| 4657301032 | SCREEN SHEET | Fine mesh filter for oil circuit |
| 4657301033 | SCREEN SHEET | Coarse mesh pre-filter |
| 0636100803 | CAP SCREW | M12 bolt for valve body |
| 4681301040 | OIL FEED.HOUSG. | Distributes pressurized oil to clutches |
Frequently Asked Questions
Q: Does the 4657.054.030 include the torque converter?
A: Yes, this complete unit ships with the torque converter, clutch packs, and all internal bearings pre-assembled. You only need to install the external TRANSMISSION HOUSING and front section.
Q: Can I use this assembly in a ZF WG 180 transmission?
A: It is physically compatible with the WG 180 bell housing pattern, but you must also replace the HOUSING REAR PART to match the output flange of the older model.
Q: What is the warranty on this complete unit?
A: This assembly carries a 12-month warranty against manufacturing defects, provided all CYLINDRICAL PIN and cap screw torque specifications are followed during installation.
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Phone: +86 158 2286 3467 |
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