Overview
The ZF 4108.111.062 Power Take-Off (PTO) is a critical auxiliary drive unit designed to transfer engine power from the transmission to hydraulic pumps, winches, or other secondary equipment in construction machinery. This OEM genuine part mounts directly to the transmission housing, engaging with the internal gear train to provide a reliable power source for attachments. As a factory-spec component, the SKU 4108.111.062 ensures precise fitment and durability under heavy loads. It sits on the side or rear of the transmission, typically paired with a 4108101165: HOUSING to protect internal gears, and is sealed with a 0501325471: SEALING RING to prevent fluid loss.
Symptoms of Failure
- Hydraulic pump hesitation or power loss: When the PTO gear teeth wear, the drive to auxiliary pumps becomes intermittent, causing sluggish operation of booms or augers.
- Oil leaks around the PTO mounting flange: A degraded 0636302015: SCREW PLUG or worn sealing ring allows transmission fluid to weep, leaving visible drips under the machine.
- Grinding or whining noise during engagement: Worn bearings or misaligned gears produce metallic sounds, especially when the PTO is under load.
- Vibration in the driveline: A failing PTO shaft causes imbalance, transmitting tremors through the chassis during operation.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 4108.111.062 |
| Material | Case-hardened steel alloy |
| Weight | 3.2 kg (7.1 lbs) |
| Overall Length | 185 mm |
| Flange Diameter | 120 mm |
| Output Spline | SAE B 6T (estimated) |
| Max Torque Capacity | 450 Nm |
| OEM Reference | ZF 4108.111.062 |
Compatibility
This PTO is engineered for ZF WG-series transmissions commonly found in wheel loaders, graders, and telescopic handlers. It is compatible with the following models: WG180, WG200, WG210, and WG250. The part also fits select ErgoPower and Ecolite series transmissions used in construction machinery. For proper installation, ensure the 0730365280: TYPE PLATE on your transmission matches the OEM specifications.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4108101165 | HOUSING | Encloses and protects the PTO gear assembly |
| 0636302015 | SCREW PLUG | Seals the PTO oil passage |
| 0501325471 | SEALING RING | Prevents fluid leaks at the flange |
| 0730365280 | TYPE PLATE | Identifies transmission model and specs |
| 4108301436 | INPUT SHAFT | Transfers power from transmission to PTO |
| 0735330931 | BALL BEARING | Supports rotating PTO shaft |
| 0630532160 | RETAINING RING | Secures bearing in housing |
| 0630531130 | RETAINING RING | Locks gear on shaft |
| 4475280018 | SCREW PLUG | Closes auxiliary port |
| 0634304358 | O-RING | Seals plug connections |
