Overview
The ZF 2093.147.079 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 inside the transmission sump, this OEM genuine part ensures a consistent flow of oil to the differential gears, bearings, and planetary sets, preventing thermal degradation and metal-on-metal contact. The SKU 2093.147.079 is precision-machined to factory tolerances, guaranteeing a perfect seal and uninterrupted oil delivery under extreme loads found in construction machinery such as wheel loaders and graders.
Symptoms of Failure
- Intermittent gear slipping under load: When the oil supply becomes restricted or fails, hydraulic pressure drops, causing the transmission to slip during heavy digging or pushing operations.
- Visible oil leaks around the transmission housing: A cracked or warped oil supply unit allows pressurized fluid to escape, leaving puddles beneath the equipment and reducing overall oil level.
- Overheating transmission with erratic shifting: Insufficient oil flow leads to inadequate cooling, triggering thermal warnings and harsh, delayed gear engagements.
- Whining or grinding noises from the differential area: Starvation of the 2093109003: DIFFERENTIAL and 0750117075: TAPER ROLLER BEARING creates audible friction and premature wear.
Technical Specifications
| Specification | Detail |
|---|---|
| OEM Part Number | 2093.147.079 |
| Material | High-strength aluminum alloy with nitrile sealing |
| Dry Weight | 1.85 kg (4.08 lbs) |
| Overall Length | 215 mm |
| Inlet Port Thread | M22 x 1.5 |
| Operating Pressure Range | 8–18 bar (116–261 psi) |
| OEM Reference | ZF 2093.147.079 |
Compatibility
This oil supply unit is designed for use in ZF WG180, WG200, and WG310 series powershift transmissions commonly installed in construction machinery. It is a direct replacement for the oil distribution manifold in models equipped with the 2093209096: DIFFERENTIAL and 2093309073: DIFF.HOUSING assemblies. Always verify your transmission serial number against the ZF parts catalog to ensure correct fitment for your specific loader or dozer model.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2093109003 | DIFFERENTIAL | Distributes torque to axle shafts |
| 0750117075 | TAPER ROLLER BEARING | Supports rotating differential gears |
| 2093209096 | DIFFERENTIAL | Secondary torque distribution unit |
| 2093309073 | DIFF.HOUSING | Encloses differential gear set |
| 0631100223 | SPRING PIN | Secures oil supply alignment |
| 0730300820 | THRUST WASHER | Reduces axial play in gear stack |
| 4482360002 | AXLE BEVEL GEAR | Transfers power to wheel hubs |
| 2097309085 | DIFFERENTIAL AXLE | Carries differential side gears |
| 5838300811 | THRUST WASHER | Controls gear end float |
| 4482360001 | DIFFERENTIAL BEVEL GEAR | Meshes with axle bevel gear |
Frequently Asked Questions
Q: Can I use this oil supply unit in a ZF WG180 transmission with a different differential?
A: Yes, the 2093.147.079 is compatible with WG180, WG200, and WG310 series, provided the transmission uses the standard oil gallery layout. Always cross-check with the 2093109003: DIFFERENTIAL mounting flange pattern.
Q: What causes premature failure of this oil supply part?
A: The most common cause is contamination from worn 0750117075: TAPER ROLLER BEARING debris, which scores the internal oil passages. Regular oil analysis and filter changes extend service life.
Q: Does this part include the mounting hardware?
A: No, the 2093.147.079 is supplied as a bare unit. You will need the 0631100223: SPRING PIN and appropriate seals for installation.
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Phone: +86 158 2286 3467 |
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