Overview
This ZF 2093.147.013 OIL SUPPLY is a critical OEM genuine component engineered to manage the precise flow of lubricant within the transmission housing. Positioned directly on the main control block of the gearbox, this part ensures that hydraulic pressure and oil volume are consistently delivered to clutches, bearings, and gear sets. The SKU 2093.147.013 identifies the exact oil supply unit designed for heavy-duty construction machinery transmissions, preventing metal-on-metal contact during high-torque operations. Without this part, the internal lubrication circuit cannot maintain the necessary pressure for smooth shifting and thermal regulation.
Symptoms of Failure
- Delayed or harsh gear engagement: When the oil supply unit wears, hydraulic pressure drops, causing noticeable hesitation or clunking when shifting between forward and reverse.
- Visible oil seepage around the transmission housing: Cracks or seal degradation in the 2093.147.013 unit often lead to external leaks, leaving puddles under the construction equipment.
- Overheating transmission fluid: A failing oil supply restricts circulation, causing the transmission to run hotter than normal, which may trigger warning lights on the dashboard.
- Whining or grinding noises from the gearbox: Inadequate lubrication from a worn oil supply component results in audible metal stress, especially under load.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 2093.147.013 |
| Material | Die-cast aluminum alloy with integrated steel inserts |
| Weight | 1.85 kg (4.08 lbs) |
| Dimensions (L x W x H) | 210 mm x 140 mm x 85 mm |
| OEM Reference | ZF 2093.147.013 |
| Seal Type | Integrated O-ring groove (compatible with 0634306328: O-RING) |
| Operating Pressure | 12-18 bar (174-261 psi) |
Compatibility
This oil supply unit is engineered for ZF heavy-duty powershift transmissions commonly used in construction machinery. It is a direct fit for the WG180, WG200, and WG210 series. Additionally, it is compatible with the 4WG-200 and 5WG-210 variants found in wheel loaders, bulldozers, and graders. Always verify the transmission serial number before installation. The oil supply integrates with the 2093101011: HOUSING and the 2093301027: HOUSING to form the complete lubrication manifold.
Installation Notes
During replacement, inspect the mating surfaces for damage. The oil supply must be torqued to factory specifications using the 0631311009: GROOVED STUD for proper alignment. After installation, affix the 0730365092: TYPE PLATE to the housing for future identification. Always replace the gasket and O-ring simultaneously to prevent leaks.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2093101011 | HOUSING | Main structural enclosure for the oil supply assembly |
| 2093301027 | HOUSING | Secondary housing for oil distribution channels |
| 0730365092 | TYPE PLATE | Identification plate with transmission model details |
| 0631311009 | GROOVED STUD | Alignment stud for precise mounting of the oil supply |
| 2093301021 | GASKET | Sealing gasket between oil supply and housing |
| 0634306328 | O-RING | Elastomeric seal for hydraulic ports |
| 2093103025 | COUNTERSHAFT | Rotary shaft transmitting torque to gear clusters |
| 2093303040 | COUNTERSHAFT | Secondary shaft for reverse gear operation |
| 2093303087 | HELICAL GEAR | Noise-reducing gear for constant mesh engagement |
| 0501007515 | SYNCHRONIZER | Friction device for smooth gear ratio changes |
Frequently Asked Questions
Q: Can the ZF 2093.147.013 be repaired, or must it be replaced?
A: This is a sealed OEM unit. Internal wear or cracking cannot be reliably repaired. Replacement with the genuine 2093.147.013 is the only safe solution to restore proper oil flow and pressure.
Q: How do I know if this oil supply fits my ZF WG200 transmission?
A: Check the transmission serial number plate. The 2093.147.013 is standard on WG180, WG200, and WG210 models. If your unit uses a different housing, you may also need the 2093101011: HOUSING for compatibility.
Q: What other seals should I replace when installing this part?
A: Always replace the 2093301021: GASKET and the 0634306328: O-RING to prevent future leaks. These are wear items that degrade with heat cycles.
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