Overview
The ZF 0501.337.582 MOTOR is a critical hydraulic drive component engineered for demanding construction machinery applications. Positioned within the transmission assembly, this OEM genuine part converts hydraulic pressure into mechanical rotational force, directly driving the gear train. The SKU 0501.337.582 serves as the primary power input unit, ensuring precise torque delivery to the transmission’s internal shafts. When paired with the 4699001191: GK10LD gear kit, it forms the core of the driveline, while the 4699101108: HOUSING encloses and protects the motor assembly from debris and contamination.
Symptoms of Failure
- Intermittent power loss under load: When the motor wears, operators notice reduced torque during excavation or lifting, often accompanied by a whining noise from the transmission.
- Hydraulic fluid leakage around the motor seal: Visible oil drips near the motor mounting flange indicate seal degradation, leading to pressure drops and erratic gear engagement.
- Erratic gear shifting or delayed response: A failing motor causes hesitation when shifting between forward and reverse, especially in cold hydraulic fluid conditions.
- Excessive vibration at idle: Worn internal bearings produce low-frequency vibrations that resonate through the chassis, worsening over time.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 0501.337.582 |
| Type | Hydraulic Drive Motor |
| Material | Hardened Steel Alloy / Aluminum Housing |
| Weight | 8.2 kg (18.1 lbs) |
| Dimensions (L x W x H) | 210 mm x 140 mm x 120 mm |
| OEM Reference | ZF 0501.337.582 |
| Operating Pressure | 250 bar (max) |
| Displacement | 28 cm³/rev |
Compatibility
This motor is engineered for ZF WG-series transmissions commonly used in wheel loaders, telehandlers, and excavators. It is directly compatible with the following ZF models: WG180, WG200, WG210, and WG250. The motor interfaces with the 4699102172: INPUT shaft assembly and the 4699103058: OUTPUT flange, ensuring seamless power transfer. Always verify your transmission serial number before installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4699001191 | GK10LD | Gear kit for torque multiplication |
| 4699101108 | HOUSING | Encloses motor and gear assembly |
| 4699102172 | INPUT | Input shaft connecting motor to transmission |
| 4699103058 | OUTPUT | Output flange for final drive connection |
| 4699105113 | TURNTABLE BEARING | Supports rotational load of the motor |
| 0501329881 | HOUSING COVER | Seals the motor housing top |
| 0630513065 | SNAP RING | Retains internal motor components |
| 0634306309 | O-RING | Prevents hydraulic fluid leaks |
| 0637885612 | BREATHER | Equalizes pressure inside the housing |
| 0769100082 | TYPE PLATE | Identification label for the assembly |
