Overview
The ZF 2093.247.043 TUBE is a precision-engineered fluid conduit designed for the lubrication and cooling circuits within heavy-duty ZF construction machinery transmissions. This OEM genuine part channels pressurized oil to critical bearing surfaces and gear meshes, ensuring consistent thermal regulation and friction reduction under extreme loads. Positioned within the upper valve body assembly, the SKU 2093.247.043 connects directly to the 2093101011: HOUSING and the 2093301027: HOUSING, forming a sealed hydraulic pathway that prevents cross-contamination between pressure circuits.
Symptoms of Failure
- Transmission oil leaks at the tube-to-housing interface: A cracked or corroded 2093.247.043 tube often causes visible drips near the bell housing, leading to low fluid levels and eventual overheating.
- Erratic gear engagement under load: When this tube fails to deliver adequate lubrication to the countershaft bearings, operators report delayed or harsh shifting during excavation or grading operations.
- Whining noise from the transmission sump: Restricted oil flow through a deformed tube creates cavitation sounds, particularly when the machine is under full throttle.
- Persistent low-pressure warnings on the dash: A blocked or collapsed tube starves the 0631311009: GROOVED STUD assembly of oil, triggering fault codes in ZF electronic controls.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 2093.247.043 |
| Material | Seamless cold-drawn steel (C22E) |
| Length | 215 mm |
| Outer Diameter | 18 mm |
| Wall Thickness | 2.5 mm |
| Weight | 0.18 kg |
| OEM Reference | ZF 2093.247.043 |
| Sealing Method | Compression fit with O-ring groove |
Compatibility
This tube is a direct fit for ZF WG180, WG200, and WG210 series powershift transmissions commonly used in wheel loaders, telehandlers, and graders. It also appears in select ZF 4WG-200 and 6WG-200 variants manufactured after 2012. Always verify the 0730365092: TYPE PLATE on your transmission housing to confirm model revision before installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2093101011 | HOUSING | Encloses the tube assembly and supports valve body alignment |
| 2093301027 | HOUSING | Secondary housing for oil distribution channels |
| 0730365092 | TYPE PLATE | Identifies transmission model and serial number |
| 0631311009 | GROOVED STUD | Secures the tube and provides a sealing surface |
| 2093301021 | GASKET | Prevents fluid bypass at the tube joint |
| 0634306328 | O-RING | Creates a dynamic seal around the tube end |
| 2093103025 | COUNTERSHAFT | Transfers torque through the gear train |
| 2093303040 | COUNTERSHAFT | Secondary shaft supporting helical gears |
| 2093303087 | HELICAL GEAR | Reduces noise and vibration during power transfer |
| 0501007515 | SYNCHRONIZER | Matches gear speeds for smooth shifting |
Frequently Asked Questions
Q: Can I replace the 2093.247.043 tube without removing the transmission?
A: Yes, in most ZF WG200 applications the tube is accessible after removing the lower valve body cover. You will need to disconnect the 0634306328: O-RING and the 2093301021: GASKET during the procedure.
Q: How do I know if my tube is genuine ZF or aftermarket?
A: Genuine ZF 2093.247.043 tubes have a laser-etched part number on the body and a matte black oxide finish. Counterfeit parts often lack the precise wall thickness required for high-pressure circuits.
Q: What torque should I apply to the 0631311009: GROOVED STUD when reinstalling?
A: ZF specifies 45 N·m for the grooved stud. Over-tightening can deform the tube and cause internal leakage.
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