Overview
This ZF 2093.147.063 OIL SUPPLY is a critical OEM genuine component engineered to regulate hydraulic pressure and lubrication flow within the transmission sump. Positioned directly in the lower valve body assembly, this oil supply unit ensures consistent fluid delivery to the clutch packs and planetary gearsets. The SKU 2093.147.063 is precision-machined to maintain exact oil volume under high thermal loads, preventing cavitation and ensuring smooth power transfer in heavy-duty construction machinery. When paired with a properly functioning DIFFERENTIAL and DIFFERENTIAL assembly, this part maintains the hydraulic balance necessary for reliable operation.
Symptoms of Failure
- Intermittent gear slippage under load: A worn oil supply unit causes pressure drops, leading to clutch pack disengagement during excavation or grading operations.
- Visible oil seepage around the transmission pan: Cracks or gasket degradation in the 2093.147.063 housing allow fluid to escape, leaving puddles beneath the equipment.
- Delayed engagement when shifting from neutral to drive: Reduced oil flow creates a lag of 2–3 seconds before the transmission responds, indicating insufficient hydraulic priming.
- Overheating transmission fluid: Inadequate oil circulation generates excessive heat, often triggering warning lights on the dashboard of wheel loaders or dozers.
Technical Specifications
| Specification | Value |
|---|---|
| Part Number | 2093.147.063 |
| Material | Die-cast aluminum alloy with nitrile seals |
| Weight | 1.8 kg (4.0 lbs) |
| Length | 215 mm |
| Width | 95 mm |
| Height | 60 mm |
| OEM Reference | ZF 2093.147.063 |
| Operating Pressure | 12–18 bar |
| Fluid Type | ZF TE-ML 03 or 05 |
Compatibility
This oil supply unit is designed for ZF WG series transmissions commonly found in construction machinery. It is a direct fit for the WG180, WG200, and WG250 models used in wheel loaders, backhoe loaders, and telescopic handlers. The 2093.147.063 also integrates with the WG150 and WG310 series, provided the valve body configuration matches. For optimal performance, always inspect the TAPER ROLLER BEARING and DIFF.HOUSING during replacement to avoid premature wear.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2093109021 | DIFFERENTIAL | Distributes torque between drive wheels |
| 0750117075 | TAPER ROLLER BEARING | Supports axial and radial loads on shafts |
| 2093209096 | DIFFERENTIAL | Secondary torque distribution unit |
| 2093309073 | DIFF.HOUSING | Encloses differential gears and bearings |
| 0631100223 | SPRING PIN | Secures linkage pins in valve body |
| 0730300820 | THRUST WASHER | Reduces friction between rotating components |
| 4482360002 | AXLE BEVEL GEAR | Transfers power from differential to axle shafts |
| 2097309085 | DIFFERENTIAL AXLE | Connects differential to wheel hubs |
| 5838300811 | THRUST WASHER | Prevents axial play in gear sets |
| 4482360001 | DIFFERENTIAL BEVEL GEAR | Meshes with axle bevel gear for final drive |
Frequently Asked Questions
Q: Can I install the 2093.147.063 without replacing the differential housing?
A: Yes, but we recommend inspecting the DIFF.HOUSING for cracks or warping. A damaged housing can misalign the oil supply, leading to premature failure.
Q: What causes the oil supply unit to fail in WG200 transmissions?
A: Common causes include contaminated hydraulic fluid, worn TAPER ROLLER BEARING debris entering the oil gallery, or thermal stress from prolonged heavy loading.
Q: Is the 2093.147.063 interchangeable with earlier ZF oil supply models?
A: No. This OEM genuine part has a revised port geometry specific to WG180–WG250 series. Using a non-matching part will cause pressure loss and gear slippage.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
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