Overview
The ZF 2093.147.133 OIL SUPPLY is a critical hydraulic component engineered to deliver pressurized lubrication and cooling oil directly to the rotating assemblies within ZF heavy-duty transmissions. Positioned within the lower valve body or pump housing, this OEM genuine part ensures a consistent flow of oil to high-friction zones such as the differential and bearing clusters. The SKU 2093.147.133 is specifically designed to maintain proper oil pressure and volume, preventing thermal damage and premature wear in construction machinery transmissions. Without a functioning oil supply, the entire drivetrain risks catastrophic failure due to starvation.
Symptoms of Failure
- Intermittent gear slipping under load — A worn 2093.147.133 oil supply unit cannot maintain adequate hydraulic pressure, causing the transmission to momentarily lose torque during heavy excavation or grading operations.
- Visible oil leaks near the transmission housing — Cracks or seal degradation in the oil supply body often result in external fluid seepage, leaving puddles under the equipment after shutdown.
- Overheating transmission with erratic shift quality — Reduced oil flow leads to insufficient cooling of the 2093109050: DIFFERENTIAL and 0750117075: TAPER ROLLER BEARING, causing the transmission to run hot and shift harshly.
- Whining or grinding noises from the gear train — Inadequate oil supply to the 2093209094: DIFFERENTIAL and 2093309078: DIFF.HOUSING creates metal-on-metal contact, producing audible distress signals.
Technical Specifications
| Specification | Value |
|---|---|
| Part Number | 2093.147.133 |
| Material | High-grade cast aluminum with nitrile seals |
| Weight | 1.85 kg (4.08 lbs) |
| Dimensions (L x W x H) | 210 mm x 95 mm x 75 mm |
| OEM Reference | ZF 2093.147.133 |
| Operating Pressure Range | 8–14 bar (116–203 psi) |
| Fluid Type | ZF-approved mineral oil (SAE 10W-30 or equivalent) |
Compatibility
This OEM oil supply unit is engineered for ZF’s heavy-duty powershift transmissions commonly deployed in construction machinery. Based on its hydraulic architecture and port configuration, the 2093.147.133 is compatible with the following ZF transmission models: WG180, WG200, WG210, and WG250. It also fits select variants of the ECOMAT 4 and Powershift 6HP series used in wheel loaders, graders, and dump trucks. Always verify your transmission serial number before installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2093109050 | DIFFERENTIAL | Distributes torque between axles |
| 0750117075 | TAPER ROLLER BEARING | Supports radial and axial loads |
| 2093209094 | DIFFERENTIAL | Secondary torque distribution unit |
| 2093309078 | DIFF.HOUSING | Encloses differential gears |
| 0631100223 | SPRING PIN | Secures linkage assemblies |
| 0730300820 | THRUST WASHER | Reduces axial friction |
| 4482360002 | AXLE BEVEL GEAR | Transfers power to wheel hubs |
| 2097309085 | DIFFERENTIAL AXLE | Connects differential to driveshaft |
| 5838300811 | THRUST WASHER | Prevents gear end-play |
| 4482360001 | DIFFERENTIAL BEVEL GEAR | Meshes with ring gear for speed reduction |
Frequently Asked Questions
Q: Can I install the 2093.147.133 oil supply without replacing the differential components?
A: Yes, but we strongly recommend inspecting the 2093109050: DIFFERENTIAL and 0750117075: TAPER ROLLER BEARING for debris contamination if the oil supply failed catastrophically.
Q: What is the typical service life of this OEM oil supply unit?
A: Under normal construction duty cycles with proper oil changes, the 2093.147.133 lasts approximately 4,000–6,000 operating hours. Early replacement is advised if oil leaks or pressure drops are detected.
Q: Does this part require any special tools for installation?
A: Standard metric socket and torque wrench sets are sufficient. Ensure the mating surface on the 2093309078: DIFF.HOUSING is clean and free of old gasket material to prevent future leaks.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
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