Overview
The ZF 4616.000.207 4 WG 65 Powershift Transmission Assembly | Complete Unit is a fully integrated, heavy-duty powershift transmission designed for demanding off-highway and industrial applications. This complete assembly serves as the core power transfer module, managing torque distribution across four forward and reverse speeds. The SKU 4616.000.207 represents a factory-matched unit that includes the main gear train, clutch packs, and hydraulic control system. It sits directly between the engine flywheel and the final drive, converting rotational power into controlled, shiftable motion. For proper sealing and structural integrity, this assembly mounts directly to the 4616101101: TRANSMISSION HOUSING, which encloses the internal components and supports the output shaft.
Symptoms of Failure
- Erratic or delayed gear engagement: When the assembly wears, hydraulic pressure drops, causing hesitation or harsh shifts during acceleration.
- Internal oil leaks around the housing seam: Worn seals or gaskets allow transmission fluid to escape, often visible as drips near the bell housing or output flange.
- Torque converter shudder under load: Damaged clutch discs or worn planetary gears produce vibration and a grinding noise when the vehicle is under heavy load.
- Complete loss of forward or reverse drive: Advanced wear in the clutch packs or valve body can result in a total inability to move, requiring immediate replacement of the assembly.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number / SKU | 4616.000.207 |
| Assembly Type | Complete Powershift Transmission (4 WG 65) |
| Weight (approx.) | 185 kg (408 lbs) |
| Dimensions (L x W x H) | 620 mm x 480 mm x 520 mm |
| Housing Material | Cast Iron (GGG-40) |
| OEM Reference | ZF 4616.000.207 / 4 WG 65 |
| Fastener Torque (main housing bolts) | 120 Nm (using 0636011118: HEXAGON SCREW) |
Compatibility
This complete unit is engineered for the ZF WG 65 Series powershift transmission family. It is directly compatible with models including WG180, WG200, and WG250 used in wheel loaders, graders, and industrial tractors. The assembly also fits select ZF 4 WG 65 variants found in older construction equipment. For auxiliary housing support, the unit integrates with the 4616301304: HOUSING and the 4616301309: HOUSING, which provide additional mounting points for the PTO and oil pump.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4616101101 | TRANSMISSION HOUSING | Main structural enclosure for gear train |
| 0636011118 | HEXAGON SCREW | Fastener for housing assembly |
| 4616301304 | HOUSING | Auxiliary housing for PTO mount |
| 4616301309 | HOUSING | Secondary housing for oil pump |
| 0630361069 | SEALING CAP | Prevents fluid ingress at ports |
| 0636011038 | HEXAGON SCREW | Mounting bolt for valve body |
| 0636016015 | HEXAGON SCREW | High-torque fastener for clutch pack |
| 0631306085 | CYLINDRICAL PIN | Alignment dowel for housing halves |
| 0634313118 | O-RING | Hydraulic seal between sections |
| 0636304019 | SCREW PLUG | Drain or fill port closure |
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