Overview
This complete ZF 4656.054.030 4 WG 160 Powershift Transmission Assembly is a fully integrated unit designed for heavy-duty industrial applications. It serves as the core power transfer module within the WG 160 series, managing hydraulic clutch engagement and gear ratio changes under high torque loads. The SKU 4656.054.030 replaces the entire assembly, ensuring seamless compatibility with existing driveline configurations. This unit sits between the engine output and the final drive, converting rotational energy into controlled motion for construction, mining, and agricultural machinery.
Symptoms of Failure
- Delayed or harsh gear engagement: When the assembly wears, operators notice a pronounced lag or jarring shift between forward and reverse gears, often accompanied by a loud clunk.
- Internal hydraulic pressure loss: A failing unit may cause erratic clutch pack operation, leading to slipping under load or inability to hold a gear on inclines.
- External oil seepage from housing seams: Worn seals and gaskets within the assembly allow transmission fluid to escape, visible as drips or wet spots around the bell housing and rear cover.
- Unusual whining or grinding noises: Damaged bearings or gear teeth inside the assembly produce metallic sounds that intensify with speed, indicating imminent internal failure.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 4656.054.030 |
| Assembly Type | Complete Powershift Transmission |
| Series | WG 160 |
| Dry Weight (approx.) | 185 kg (408 lbs) |
| Overall Length | 720 mm |
| Overall Width | 480 mm |
| Overall Height | 410 mm |
| Housing Material | High-strength cast iron |
| OEM Reference | ZF 4 WG 160 |
| Max Input Torque | 1,600 Nm |
Compatibility
This complete unit is engineered for the ZF WG 160 series transmissions. It is directly compatible with models including the WG 160, WG 180, and WG 200 series when used in equivalent power ratings. The assembly also fits select variants of the WG 150 and WG 220 series that share the same mounting flange and hydraulic circuit design. Always verify your transmission model number against the SKU 4656.054.030 before installation.
During replacement, this assembly integrates with several critical surrounding components. The TRANSMISSION HOUSING (4656101031) provides the main structural enclosure. The HOUS.FRONT SECT (4656201075) seals the input side, while the HOUSING REAR PART (4656201036) and HOUSING REAR PART (4472239179) enclose the output section. These parts must be inspected for wear when installing a new assembly.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4656101031 | TRANSMISSION HOUSING | Main structural casing for gear and shaft support |
| 4656201075 | HOUS.FRONT SECT | Front section housing for input shaft and bearings |
| 4656201036 | HOUSING REAR PART | Rear section covering output shaft and clutch pack |
| 4472239179 | HOUSING REAR PART | Alternate rear housing variant for specific models |
| 0631306816 | CYLINDRICAL PIN | Alignment pin for housing mating surfaces |
| 4656301148 | FIXING PLATE | Secures internal components against axial movement |
| 0636100817 | CAP SCREW | Fastener for housing and cover attachment |
| 4656301016 | SCREEN SHEET | Filter screen for hydraulic oil circuit |
| 4656301017 | SCREEN SHEET | Secondary filter screen for fine debris |
| 0636100803 | CAP SCREW | Bolt for securing screen sheets and covers |
Frequently Asked Questions
Q: Can this assembly be rebuilt, or is it a sealed unit?
A: The ZF 4656.054.030 is a complete unit that can be disassembled for rebuild, but it is typically replaced as a whole to ensure all internal wear components are renewed simultaneously.
Q: What is the expected service life of this transmission assembly?
A: Under normal operating conditions with proper fluid maintenance, this unit can last 8,000 to 12,000 hours. Heavy loads or contaminated oil will reduce lifespan significantly.
Q: Does this part include the torque converter?
A: No, this assembly covers the gearbox section only. The torque converter is a separate component and must be ordered independently if needed.
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Phone: +86 158 2286 3467 |
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