Overview
This complete ZF 4656.054.307 4 WG 160 Powershift Transmission Assembly is a fully integrated unit designed for heavy-duty industrial and construction machinery. As a core component of the WG 160 series, this assembly manages torque distribution and gear selection under high-stress conditions. The SKU 4656.054.307 serves as a direct replacement for worn or failed transmissions, restoring operational efficiency in loaders, graders, and material handlers. It integrates directly with the TRANSMISSION HOUSING to form the primary structural shell, while the HOUS.FRONT SECT and HOUSING REAR PART enclose the internal clutch packs and planetary gearsets.
Symptoms of Failure
- Delayed or harsh gear engagement: When the internal clutch packs or valve body wear, operators experience a noticeable lag or jarring shift when moving from neutral to forward or reverse.
- Transmission fluid leaks near the bell housing: Cracks or seal failures in the HOUSING REAR SECTION can cause hydraulic oil to weep, leading to low pressure and slipping.
- Loss of power under load: A failing unit often cannot maintain torque converter lockup, causing the engine to rev without proportional wheel speed during grading or pushing operations.
- Unusual whining or grinding noises: Worn bearings or damaged planetary gears produce audible metal-on-metal sounds, particularly in lower gears.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number / SKU | 4656.054.307 |
| Assembly Type | Complete Powershift Transmission Unit |
| Series | WG 160 |
| Dry Weight (approx.) | 285 kg (628 lbs) |
| Overall Length | 720 mm |
| Overall Width | 480 mm |
| Overall Height | 560 mm |
| Primary Material | Cast Iron Housing with Steel Internals |
| OEM Reference | ZF 4 WG 160 |
| Fluid Capacity | Approx. 22 liters (SAE 10W-30 or ZF TE-ML 03) |
Compatibility
This complete unit is engineered for the ZF WG 160 series transmissions. It is also mechanically compatible with the WG 180 and WG 200 series when used as a direct replacement for the main power shift assembly, though bell housing and output flange configurations may require verification. The unit is commonly found in ZF 4WG-160, 4WG-180, and 4WG-200 drivelines used in articulated dump trucks, wheel loaders, and telehandlers.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4656101070 | TRANSMISSION HOUSING | Main structural casing that encloses gear sets and shafts. |
| 4656201085 | HOUS.FRONT SECT | Front section housing for input shaft and torque converter interface. |
| 4656201089 | HOUSING REAR PART | Rear housing section supporting output shaft and PTO mounting. |
| 4656298057 | HOUSING REAR SECTION | Extended rear casing for additional planetary gear support. |
| 0631306816 | CYLINDRICAL PIN | Alignment pin for precise housing mating during assembly. |
| 4656301148 | FIXING PLATE | Secures internal valve body and prevents axial movement. |
| 0636100817 | CAP SCREW | High-tensile fastener for housing flange bolting. |
| 4656301016 | SCREEN SHEET | Fine mesh filter for hydraulic oil return line. |
| 4656301017 | SCREEN SHEET | Coarse mesh pre-filter for suction side protection. |
| 0636100803 | CAP SCREW | M12 cap screw for securing clutch housing covers. |
Frequently Asked Questions
Q: Is the 4656.054.307 a remanufactured or new unit?
A: This listing is for a complete, new ZF 4 WG 160 powershift transmission assembly. It is not a remanufactured unit and includes all internal clutches, seals, and bearings ready for installation.
Q: Can I install this unit without replacing the housing sections?
A: Yes, but we strongly recommend inspecting the TRANSMISSION HOUSING and HOUS.FRONT SECT for cracks or wear. Reusing damaged housings can void the warranty on the new assembly.
Q: What is the typical lead time for this part?
A: Lead times vary by stock level. The SKU 4656.054.307 is a high-demand assembly; we advise checking current availability before placing an order for critical downtime repairs.
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Phone: +86 158 2286 3467 |
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