Overview
This complete ZF 4656.054.312 4 WG 160 Powershift Transmission Assembly is a fully integrated unit designed for heavy-duty industrial applications. As the core power transfer module in the WG 160 series, this assembly manages torque distribution across four forward and reverse speeds. The SKU 4656.054.312 serves as a direct replacement for worn or failed transmissions in material handling equipment, construction machinery, and agricultural vehicles. It integrates seamlessly with the 4656101070: TRANSMISSION HOUSING and the 4656201085: HOUS.FRONT SECT to form a robust drivetrain assembly.
Symptoms of Failure
- Erratic gear engagement or slipping under load: When the internal clutch packs or hydraulic circuits degrade, the transmission may hesitate or fail to hold gears during operation.
- External oil seepage from housing joints: Worn seals or gaskets around the 4656201089: HOUSING REAR PART can cause visible fluid leaks, leading to low oil levels and overheating.
- Delayed or harsh shifting between ranges: A failing valve body or worn planetary gears often produce jarring shifts or a noticeable lag when changing direction.
- Unusual whining or grinding noises: Bearing wear or gear damage inside the 4656298057: HOUSING REAR SECTION creates audible distress signals that worsen with load.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number / SKU | 4656.054.312 |
| Transmission Series | WG 160 (4-speed powershift) |
| Dry Weight (approx.) | 185 kg (408 lbs) |
| Overall Length | 620 mm |
| Overall Width | 410 mm |
| Overall Height | 380 mm |
| Housing Material | High-strength cast iron |
| OEM Reference | ZF 4 WG 160 |
| Max Input Torque | 600 Nm |
| Oil Capacity | 12 liters (approx.) |
Compatibility
This complete unit is engineered for the ZF WG 160 transmission family. It is directly compatible with WG 160 models used in telehandlers, forklifts, and compact loaders. While primarily designed for the WG 160, the assembly shares mounting patterns and hydraulic interfaces with the WG 180 and WG 200 series, though internal gear ratios may differ. Always verify your transmission model tag before installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4656101070 | TRANSMISSION HOUSING | Main structural casing for gear and shaft support |
| 4656201085 | HOUS.FRONT SECT | Front section housing input shaft and clutch pack |
| 4656201089 | HOUSING REAR PART | Rear housing covering output shaft and bearings |
| 4656298057 | HOUSING REAR SECTION | Extended rear section for additional gear support |
| 0631306816 | CYLINDRICAL PIN | Alignment pin for housing assembly |
| 4656301148 | FIXING PLATE | Secures internal components to housing |
| 0636100817 | CAP SCREW | Fastener for housing joints |
| 4656301016 | SCREEN SHEET | Fine mesh filter for oil circuit |
| 4656301017 | SCREEN SHEET | Coarse mesh pre-filter for hydraulic system |
| 0636100803 | CAP SCREW | Bolt for securing screen sheets |
Frequently Asked Questions
Q: Is the ZF 4656.054.312 a direct bolt-in replacement for my existing WG 160 transmission?
A: Yes, this complete unit is designed as a direct replacement for the ZF 4 WG 160 series. Ensure your vehicle uses the same bellhousing pattern and output flange configuration.
Q: What oil type is recommended for this transmission assembly?
A: ZF recommends using a high-quality SAE 10W-30 or SAE 15W-40 engine oil meeting ZF TE-ML 03 specification. Always fill to the correct level after installation.
Q: Can I install this unit without replacing the housing sections?
A: While the assembly includes all internal components, we strongly recommend inspecting the TRANSMISSION HOUSING and HOUS.FRONT SECT for cracks or wear before reassembly to ensure long service life.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
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