Overview
The ZF 4616.000.245 4 WG 65 Powershift Transmission Assembly | Complete Unit is a fully assembled, ready-to-install gearbox core designed for heavy-duty off-highway machinery. This complete unit integrates the clutch packs, planetary gearsets, and hydraulic control system into a single, pre-tested assembly. As a direct replacement for the WG 65 series, the SKU 4616.000.245 sits as the central power transfer module between the engine and the driveline, managing torque distribution across four forward and reverse speeds. When rebuilding a transmission, the 4616101102: TRANSMISSION HOUSING must be inspected for cracks or warping before installing this complete unit, as the housing provides the structural foundation for the entire assembly.
Symptoms of Failure
- Delayed or harsh engagement: When the complete unit wears, operators notice a pronounced lag when shifting from neutral to drive, followed by a jarring engagement. This indicates internal clutch pack wear or hydraulic pressure loss within the 4616.000.245 assembly.
- Torque converter shudder under load: A rhythmic vibration during low-speed maneuvering or uphill travel signals failing internal bearings or worn stator components inside the powershift unit.
- External fluid seepage at mating surfaces: Oil weeping from the joint between the transmission housing and the complete unit suggests degraded seals. This often requires replacing the 0636011038: HEXAGON SCREW and 0636011118: HEXAGON SCREW fasteners to restore proper clamping force.
- Intermittent gear slipping in higher ranges: A sudden loss of power in 3rd or 4th gear, accompanied by engine RPM flare, points to worn friction discs or a failing piston seal within the complete unit.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number / SKU | 4616.000.245 |
| Assembly Type | Complete Powershift Unit (4 WG 65) |
| Dry Weight (approx.) | 185 kg (408 lbs) |
| Overall Length | 620 mm |
| Overall Width | 480 mm |
| Overall Height | 510 mm |
| Housing Material | High-strength cast iron (GGG-40) |
| OEM Reference | ZF 4616.000.245 |
| Max Input Torque | 650 Nm |
| Fluid Capacity (unit only) | 12.5 liters |
Compatibility
This complete unit is engineered specifically for the ZF WG 65 series of powershift transmissions. It is a direct fit for models including the WG180, WG200, and WG211 variants commonly found in telescopic handlers, wheel loaders, and agricultural tractors. The 4616.000.245 assembly also integrates with the WG 65-2 and WG 65-3 generations. For proper installation, ensure the 0636016015: HEXAGON SCREW is torqued to factory specifications to secure the unit to the bell housing.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4616101102 | TRANSMISSION HOUSING | Main structural casing for the gear train |
| 0636011038 | HEXAGON SCREW | Fastener for housing-to-unit joint |
| 0636011118 | HEXAGON SCREW | Fastener for clutch pack retention |
| 0636016015 | HEXAGON SCREW | Bell housing mounting bolt |
| 0631306085 | CYLINDRICAL PIN | Alignment dowel for precise assembly |
| 0634313118 | O-RING | Hydraulic circuit seal |
| 0636304019 | SCREW PLUG | Oil drain or test port closure |
| 0634801152 | SEALING RING | Static seal for pressure ports |
| 0732611049 | FILTER INSERT | Hydraulic oil filtration element |
| 0634303718 | O-RING | Filter housing seal |
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