Overview
The ZF 4644.154.430 POWER TAKE-OFF is a critical OEM genuine component engineered specifically for the WG200 series transmission family. This PTO unit transfers engine torque to auxiliary hydraulic systems, enabling operation of dump bodies, winches, and other power-consuming equipment. Positioned on the transmission housing, the SKU 4644.154.430 interfaces directly with the gear train to provide reliable mechanical power extraction. Designed for heavy-duty commercial applications, this genuine ZF part ensures precise engagement and minimal parasitic loss during operation.
Symptoms of Failure
When the ZF 4644.154.430 POWER TAKE-OFF begins to wear, operators may notice specific performance degradation. Common failure indicators include:
- Oil leaks around the PTO housing – Worn seals or gaskets cause transmission fluid to escape, often visible as drips under the vehicle.
- Gear slipping or intermittent engagement – Internal wear leads to inconsistent power transfer, especially under load.
- Unusual grinding or whining noise – Damaged bearings or gear teeth produce audible sounds during PTO activation.
- Reduced hydraulic system pressure – Inefficient power take-off results in sluggish auxiliary equipment performance.
Technical Specifications
| Specification | Value |
|---|---|
| Part Number | 4644.154.430 |
| OEM Reference | ZF 4644.154.430 |
| Material | High-strength alloy steel / cast iron housing |
| Weight | Approx. 12.5 kg (27.6 lbs) |
| Dimensions (L x W x H) | 280 mm x 180 mm x 160 mm |
| Mounting Type | Flange-mounted, 6-bolt pattern |
| Torque Capacity | Up to 600 Nm |
Compatibility
This ZF 4644.154.430 POWER TAKE-OFF is designed for the WG200 series transmission, but also fits select models in the WG180 and WG210 families. It is commonly used in municipal trucks, construction vehicles, and agricultural machinery requiring auxiliary power. Always verify your transmission model before installation. For proper mounting, ensure the 4460165051: CONSOLE and 4460368311: CONSOLE are in good condition. Secure the unit using the 0636011429: HEXAGON SCREW and 0730100365: WASHER to prevent loosening under vibration.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4460165051 | CONSOLE | Mounting bracket for PTO assembly |
| 4460368311 | CONSOLE | Secondary support bracket |
| 0636011429 | HEXAGON SCREW | Fastener for PTO attachment |
| 0730100365 | WASHER | Load distribution under screw head |
| 4644105418 | DISCONNECTION | Clutch mechanism for PTO engagement |
| 4644305041 | ADAPTER | Interface plate between PTO and transmission |
| 4460068159 | AXLE DRIVE | Power transfer to differential |
| 4460168651 | INPUT FLANGE | Connection point for driveshaft |
| 4460368318 | FLANGE | Output coupling for auxiliary equipment |
| 4460368317 | DUST PROTECTION | Seal cover to prevent contamination |
