Overview
This genuine OEM ZF 2093.247.040 TUBE is a precision-engineered hydraulic or lubrication conduit designed to direct pressurized fluid within the transmission assembly. Positioned within the valve body or clutch pack circuit, this tube ensures consistent oil flow to critical rotating components. The SKU 2093.247.040 is manufactured to exact ZF tolerances, preventing pressure drops that can compromise shift quality. When installed alongside the 2093109002: DIFFERENTIAL and 0750117075: TAPER ROLLER BEARING, this tube maintains the structural integrity of the lubrication circuit, directly supporting the 2093209095: DIFFERENTIAL assembly.
Symptoms of Failure
- Hydraulic fluid seepage around transmission housing: A cracked or corroded 2093.247.040 tube often causes visible oil drips near the bell housing, leading to low fluid levels and eventual gear slippage.
- Erratic clutch engagement under load: When this tube deforms or clogs, inconsistent pressure delivery results in delayed or harsh shifting, particularly in construction machinery operating on inclines.
- Overheating differential assembly: Restricted oil flow from a damaged tube starves the 2093309071: DIFF.HOUSING of coolant, causing thermal degradation of seals and bearings.
- Whining noise from transmission sump: Air ingestion through a fractured tube creates cavitation, producing a high-pitched whine that worsens during cold starts.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 2093.247.040 |
| Material | Seamless cold-drawn steel (C22E) |
| Length | 185 mm ± 1.5 mm |
| Outer Diameter | 12.7 mm (0.5 inch) |
| Wall Thickness | 1.5 mm |
| Weight | 0.14 kg |
| OEM Reference | ZF 2093.247.040 |
| Surface Treatment | Zinc-plated (ISO 2081) |
Compatibility
This tube is engineered for ZF WG-series powershift transmissions commonly used in wheel loaders and telehandlers. It directly fits the WG180, WG200, and WG210 models, where it routes oil between the main control valve and the differential housing. For WG310 and WG360 variants, verify the tube bend radius against your existing part, as minor dimensional differences exist in later production runs. Always pair this tube with a new 0631100223: SPRING PIN to secure the connection.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2093109002 | DIFFERENTIAL | Distributes torque to axle shafts |
| 0750117075 | TAPER ROLLER BEARING | Supports differential pinion shaft |
| 2093209095 | DIFFERENTIAL | Secondary torque split unit |
| 2093309071 | DIFF.HOUSING | Encloses differential gears |
| 0631100223 | SPRING PIN | Secures tube to valve body |
| 0730300820 | THRUST WASHER | Reduces axial play in differential |
| 4482360002 | AXLE BEVEL GEAR | Transfers power to wheel hubs |
| 2097309085 | DIFFERENTIAL AXLE | Connects differential to final drive |
| 5838300811 | THRUST WASHER | Controls side gear clearance |
| 4482360001 | DIFFERENTIAL BEVEL GEAR | Meshes with pinion for speed reduction |
Frequently Asked Questions
Q: Can I reuse the old O-rings when installing the 2093.247.040 tube?
A: No. Always replace all sealing rings and the 0631100223: SPRING PIN during installation to prevent future leaks.
Q: Does this tube fit ZF 4WG-200 transmissions from 2015 onward?
A: Yes, the 2093.247.040 is backward-compatible with all 4WG-200 series, but verify the tube routing does not interfere with updated 2093309071: DIFF.HOUSING castings.
Q: What causes this tube to crack prematurely?
A: Vibration from a worn 0750117075: TAPER ROLLER BEARING or misaligned 2093109002: DIFFERENTIAL can induce cyclic stress fractures. Inspect these components simultaneously.
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