Overview
The ZF 2093.147.103 OIL SUPPLY is a critical hydraulic component engineered to deliver pressurized lubricant directly to the internal gear sets and bearings within ZF heavy-duty transmissions. Positioned within the transmission sump or valve body, this OEM genuine part ensures consistent oil flow to reduce friction and dissipate heat under extreme loads. The SKU 2093.147.103 is specifically designed for construction machinery applications where uninterrupted lubrication is non-negotiable. When paired with a 2099109030 DIFFERENTIAL, the oil supply unit maintains proper pressure to the differential assembly, preventing premature wear on mating gears.
Symptoms of Failure
- Intermittent gear slipping under load – A worn 2093.147.103 oil supply cannot maintain hydraulic pressure, causing the transmission to momentarily lose torque transfer during heavy excavation or grading operations.
- Visible oil seepage around the transmission housing – Cracks or seal degradation in the oil supply unit lead to external leaks, often first noticed as drips near the bell housing or oil pan gasket.
- Erratic shifting or delayed engagement – Insufficient lubrication pressure from a failing oil supply results in sluggish clutch pack actuation, especially when transitioning from neutral to drive.
- Overheating transmission fluid – A compromised oil supply restricts flow, causing localized hot spots that degrade fluid viscosity and accelerate component wear.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 2093.147.103 |
| OEM Reference | ZF 2093.147.103 |
| Material | High-grade aluminum alloy with nitrile seals |
| Weight | 1.8 kg (4.0 lbs) |
| Dimensions (L x W x H) | 210 mm x 95 mm x 75 mm |
| Operating Pressure Range | 8–15 bar (116–218 psi) |
| Fluid Compatibility | ZF TE-ML 03, 05, 07 series oils |
Compatibility
This oil supply unit is engineered for ZF WG series transmissions commonly deployed in construction machinery. Based on its hydraulic architecture, the 2093.147.103 is compatible with the following models: WG180, WG200, WG210, and WG250. It also integrates seamlessly with the 0750117075 TAPER ROLLER BEARING used in the differential carrier, as well as the 2093209094 DIFFERENTIAL and 2093309078 DIFF.HOUSING assemblies. Always verify your transmission serial number before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2099109030 | DIFFERENTIAL | Distributes torque between axles |
| 0750117075 | TAPER ROLLER BEARING | Supports differential shaft rotation |
| 2093209094 | DIFFERENTIAL | Secondary differential unit for load sharing |
| 2093309078 | DIFF.HOUSING | Encloses differential gear set |
| 0631100223 | SPRING PIN | Secures oil supply mounting bracket |
| 0730300820 | THRUST WASHER | Reduces axial play in gear train |
| 4482360002 | AXLE BEVEL GEAR | Transfers power to wheel hubs |
| 2097309085 | DIFFERENTIAL AXLE | Connects differential to final drive |
| 5838300811 | THRUST WASHER | Controls gear end float |
| 4482360001 | DIFFERENTIAL BEVEL GEAR | Primary gear in differential set |
