Overview
The ZF 4657.056.114 6 WG 210 Powershift Transmission Assembly is a complete, factory-matched unit designed for heavy-duty off-highway machinery. This assembly integrates the main gear cluster, clutch packs, and hydraulic control components into a single, ready-to-install package. As the core power transfer module within the WG 210 series, it converts engine torque into precisely controlled wheel speed and direction. The SKU 4657.056.114 identifies this specific assembly configuration, which is often paired with the 4657101082: TRANSMISSION HOUSING to form the complete drivetrain enclosure. This unit is critical for maintaining the operational integrity of loaders, graders, and industrial tractors.
Symptoms of Failure
- Delayed or harsh gear engagement: When the assembly wears, internal clutch pack clearances increase, causing a noticeable lag or jarring shift when moving from neutral to forward or reverse.
- Progressive oil leaks at housing seams: Worn seals between the main assembly and the 4657201166: HOUS.FRONT SECT or 4657201170: HOUSING REAR PART allow transmission fluid to weep, leading to low pressure and eventual slipping.
- Intermittent power loss under load: A failing assembly may cause the machine to lose pulling power on inclines or during heavy digging, often accompanied by a whining noise from the gear train.
- Contaminated magnetic drain plug: Excessive metallic debris in the oil indicates internal gear or bearing wear within the assembly, requiring immediate replacement to prevent catastrophic failure.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 4657.056.114 |
| Assembly Type | 6-Speed Powershift (WG 210) |
| Dry Weight (approx.) | 185 kg (408 lbs) |
| Overall Length | 720 mm |
| Overall Width | 480 mm |
| Overall Height | 410 mm |
| Primary Material | High-strength cast iron / alloy steel |
| OEM Reference | ZF 4657.056.114 |
| Related Fastener | 0636100801: CAP SCREW |
| Related Fastener | 0636100803: CAP SCREW |
| Related Pin | 0631306816: CYLINDRICAL PIN |
| Related Plate | 4656301148: FIXING PLATE |
Compatibility
This complete assembly is engineered for the ZF WG 210 series transmissions. It is directly compatible with models including the WG 180, WG 200, and WG 210, which are commonly found in articulated dump trucks, wheel loaders, and telescopic handlers. The assembly interfaces precisely with the 4657298102: HOUSING REAR SECTION to seal the output shaft area. For proper installation, always verify the housing alignment using the 0631306816: CYLINDRICAL PIN to ensure dowel alignment. This unit is not backward-compatible with the older WG 120 series without significant modification.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101082 | TRANSMISSION HOUSING | Main structural enclosure for gear train |
| 4657201166 | HOUS.FRONT SECT | Front section housing for input shaft |
| 4657201170 | HOUSING REAR PART | Rear section for output shaft support |
| 4657298102 | HOUSING REAR SECTION | Additional rear cover for PTO interface |
| 0631306816 | CYLINDRICAL PIN | Alignment dowel for housing assembly |
| 0636100801 | CAP SCREW | M12 fastener for housing joints |
| 4656301148 | FIXING PLATE | Retainer for clutch pack adjustment |
| 4657301032 | SCREEN SHEET | Fine mesh filter for hydraulic circuit |
| 4657301033 | SCREEN SHEET | Coarse mesh pre-filter for oil sump |
| 0636100803 | CAP SCREW | M16 fastener for rear housing section |
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