Overview
The ZF 2094.236.002 TUBE is a precision-engineered hydraulic fluid conduit designed for heavy-duty construction machinery transmissions. This OEM genuine part channels pressurized oil to critical lubrication points within the gear train, ensuring consistent cooling and friction reduction during high-torque operations. Positioned between the valve body and rotating clutch assemblies, the SKU 2094.236.002 tube maintains structural integrity under extreme thermal cycling. When paired with a properly functioning 2094104412 MAIN SHAFT, this component ensures uninterrupted fluid delivery to planetary gear sets.
Symptoms of Failure
- Hydraulic oil seepage at transmission casing joints: Cracks or corrosion in the tube wall cause visible fluid loss, often mistaken for gasket failure. Search “ZF transmission tube oil leak repair” for diagnostics.
- Delayed gear engagement under load: Reduced internal pressure from a compromised tube leads to sluggish clutch pack activation, especially in WG200 series units.
- Erratic shifting with metallic whine: Insufficient lubrication from a blocked or deformed tube accelerates bearing wear, producing audible distress during low-speed maneuvers.
- Overheating transmission fluid: Restricted flow through a damaged tube prevents proper heat exchange, triggering thermal warning lights on construction equipment dashboards.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 2094.236.002 |
| Material | Seamless drawn steel, zinc-nickel plated |
| Length | 287 mm (11.3 in) |
| Outer Diameter | 18.5 mm (0.73 in) |
| Wall Thickness | 2.0 mm (0.079 in) |
| Weight | 0.34 kg (0.75 lbs) |
| OEM Reference | ZF 2094.236.002 |
| Burst Pressure Rating | 250 bar (3,625 psi) |
Compatibility
This tube is engineered for ZF WG180, WG200, and WG211 powershift transmissions commonly found in wheel loaders, excavators, and telehandlers. It interfaces directly with the 2094304054 MAIN SHAFT assembly and the 2094106010 SHIFT SYSTEM valve block. For machines requiring a 2094206001 GEARSHIFT SHAFT replacement, verify tube orientation before installation to prevent cross-threading.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2094104412 | MAIN SHAFT | Transfers torque from engine to clutch packs |
| 2094304054 | MAIN SHAFT | Alternate spline configuration for WG200 series |
| 2094106010 | SHIFT SYSTEM | Hydraulic valve assembly controlling gear selection |
| 2094206001 | GEARSHIFT SHAFT | Mechanical link between shift fork and actuator |
| 2094306053 | GEARSHIFT SHAFT | Extended version for WG211 transmissions |
| 0630513070 | SNAP RING | Secures tube end fitting to valve body |
| 2094306019 | WASHER | Crush washer for leak-proof tube sealing |
| 0732040444 | COMPRESSION SPRING | Maintains constant pressure on shift detent |
| 0732040728 | COMPRESSION SPRING | Heavy-duty variant for high-vibration applications |
| 2093206001 | BUSH | Guides gearshift shaft through transmission housing |
Frequently Asked Questions
Q: Can I install this tube without removing the transmission from the machine?
A: Yes, in most ZF WG200 applications the tube is accessible after draining fluid and removing the side inspection cover. Always replace the 0630513070 SNAP RING during reinstallation to prevent vibration loosening.
Q: How does a failing tube affect shift quality differently than a worn gearshift shaft?
A: A damaged tube causes gradual pressure loss and overheating, while a worn 2094206001 GEARSHIFT SHAFT produces immediate mechanical clunking. Both issues require distinct diagnostic approaches.
Q: Is the 2094.236.002 tube interchangeable with earlier ZF transmission models?
A: This tube is specific to post-2015 WG180 and WG200 builds. Earlier models use a shorter tube (2094.235.001) that is not compatible with current shift system valve blocks.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
Request a Quote →
