Overview
The ZF 0501.345.358 MOTOR is an OEM genuine hydraulic motor assembly engineered for precise power delivery within ZF powershift transmissions used in heavy construction machinery. This component converts hydraulic pressure into rotational force to drive the transmission’s pump and lubrication circuits, ensuring consistent torque transfer under demanding loads. The SKU 0501.345.358 is a direct-fit replacement part, designed to restore original performance in ZF drivetrains. It is commonly paired with the 4699008051 GK16 gear kit and the 4699101181 HOUSING to maintain proper alignment and fluid flow within the transmission assembly.
Symptoms of Failure
- Intermittent gear slipping under load – When the motor loses internal sealing, hydraulic pressure drops, causing the transmission to slip during excavation or grading operations.
- Visible hydraulic oil leaks near the motor housing – Worn shaft seals or cracked casing allow fluid to escape, often seen as drips around the 4699102193 INPUT connection point.
- Erratic or delayed engagement – A failing motor produces inconsistent rotational speed, leading to jerky starts or hesitation when shifting from neutral to drive.
- Overheating transmission fluid – Internal friction from a seized or binding motor generates excess heat, triggering warning lights on the equipment dashboard.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 0501.345.358 |
| Type | Hydraulic Motor (Gear-Type) |
| Material | Hardened Steel Rotor / Aluminum Housing |
| Weight | 4.2 kg (9.3 lbs) |
| Dimensions (L x W x H) | 180 mm x 95 mm x 85 mm |
| OEM Reference | ZF 0501.345.358 |
| Operating Pressure | Up to 250 bar |
| Seal Type | NBR O-Ring / PTFE Backup |
Compatibility
This motor is designed for use in ZF WG series powershift transmissions commonly found in wheel loaders, dozers, and telehandlers. Compatible models include WG180, WG200, and WG210 series. It also integrates with the 4699103131 OUTPUT shaft assembly and the 4699105132 HOUSING TOP PART for complete driveline restoration. Always verify your transmission serial number before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4699008051 | GK16 | Gear kit for torque transfer |
| 4699101181 | HOUSING | Encloses motor and gear assembly |
| 4699102193 | INPUT | Input shaft coupling |
| 4699103131 | OUTPUT | Output shaft for final drive |
| 4699105132 | HOUSING TOP PART | Upper housing cover |
| 4699301191 | HOUSING | Alternate housing variant |
| 4699301041 | COVER | Protective cover plate |
| 0634303936 | O-RING | Seals fluid passages |
| 0630513203 | SNAP RING | Retains bearings in place |
| 0750110302 | SHAFT SEAL | Prevents oil leakage at shaft exit |
