Overview
The ZF 0501.338.916 MOTOR is a genuine OEM hydraulic motor designed for integration within ZF construction machinery transmissions. This component converts hydraulic pressure into mechanical rotational force, driving the transmission’s output shaft to propel heavy equipment. Positioned inside the transmission housing, it interfaces directly with the 4699101079: HOUSING assembly, which encloses and protects the motor from debris and thermal stress. The SKU 0501.338.916 ensures exact fitment for ZF powertrains, eliminating guesswork during rebuilds or replacements.
Symptoms of Failure
When the ZF 0501.338.916 motor begins to degrade, operators may notice these specific failure indicators:
- Intermittent drive loss or hesitation – The motor fails to maintain consistent torque, causing the machine to stall or surge during operation, especially under load.
- Hydraulic oil leaks around the motor seal – Worn internal seals allow pressurized fluid to escape, often pooling near the 0501329881: HOUSING COVER joint.
- Excessive noise or vibration – Grinding or whining sounds from the transmission indicate bearing wear or internal scoring within the motor assembly.
- Overheating of the transmission fluid – A failing motor generates excess friction, raising oil temperatures and accelerating degradation of the 0634306309: O-RING seals.
Technical Specifications
| Specification | Value |
| Part Number | 0501.338.916 |
| Type | Hydraulic Motor (Gear or Piston) |
| Material | High-strength alloy steel with hardened internal components |
| Weight | Approx. 4.2 kg (9.3 lbs) |
| Dimensions (L x W x H) | 210 mm x 120 mm x 110 mm |
| OEM Reference | ZF 0501.338.916 |
| Operating Pressure Range | 180–250 bar |
| Seal Material | Nitrile rubber (NBR) |
Compatibility
This genuine ZF motor is engineered for use in the following transmission models commonly found in construction machinery:
- ZF WG180 – Used in wheel loaders and graders
- ZF WG200 – Applied in heavy-duty dump trucks and excavators
- ZF WG150 – Found in compact construction equipment
- ZF WG310 – Designed for large-scale mining vehicles
Always verify your transmission serial number before ordering. The motor works in conjunction with the 0637885612: BREATHER to equalize internal pressure, preventing contamination ingress.
Related Components
| Part Number | Name | Function |
| 4699101079 | HOUSING | Encloses and protects the motor assembly |
| 0501329881 | HOUSING COVER | Seals the housing and retains lubricant |
| 0634306309 | O-RING | Prevents fluid leaks at mating surfaces |
| 0637885612 | BREATHER | Vents internal pressure and blocks debris |
| 0501319149 | SCREW PLUG | Seals access ports in the housing |
| 0636302022 | SCREW PLUG | Alternative plug for oil drain points |
| 0634801038 | SEALING RING | Provides leak-proof connection under plugs |
| 0730365801 | TYPE PLATE | Identifies transmission model and specs |
| 4699001070 | GK10 | Gear kit for torque transfer |
| 4699102158 | INPUT | Input shaft coupling to the motor |
