Overview
This genuine ZF 2094.314.007 TUBE is a critical fluid routing component within the transmission’s hydraulic control system. Designed to direct pressurized oil to the clutch packs and lubrication circuits, this tube ensures consistent actuation pressure and thermal regulation during heavy-duty operation. The SKU 2094.314.007 is precision-formed from high-strength steel to withstand the cyclic pressure spikes common in construction machinery transmissions. It sits between the valve body and the rotating clutch drum assembly, forming a sealed conduit that prevents cross-contamination of oil circuits. When paired with a properly torqued 2094104412: MAIN SHAFT, this tube maintains the hydraulic integrity required for smooth power delivery.
Symptoms of Failure
- External oil seepage at the tube-to-housing interface – A worn tube or degraded O-ring seal often causes visible drips under the transmission bell housing, especially after cold starts.
- Erratic clutch engagement during low-speed maneuvering – When the tube develops micro-cracks, hydraulic pressure fluctuates, leading to harsh or delayed shifts in forward and reverse gears.
- Overheating transmission fluid with no external leaks – A collapsed or internally blocked tube restricts oil flow to the cooler circuit, causing the transmission to run 20-30°F above normal operating temperature.
- Persistent low-pressure warnings on the machine display – Internal wall fatigue in the tube can bypass oil directly to the sump, triggering diagnostic trouble codes for clutch pressure faults.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 2094.314.007 |
| Material | Seamless drawn steel, zinc-nickel plated |
| Length | 185 mm (7.28 in) |
| Outer Diameter | 12 mm (0.472 in) |
| Wall Thickness | 1.5 mm (0.059 in) |
| Weight | 0.14 kg (0.31 lb) |
| OEM Reference | ZF 2094.314.007 |
| Seal Type | Integrated O-ring groove (O-ring sold separately) |
Compatibility
This tube is engineered for ZF’s powershift transmission families commonly used in wheel loaders, telehandlers, and excavators. It directly fits the WG180, WG200, and WG210 series. It also appears in certain 4WG-200 and 6WG-200 variants produced between 2008 and 2020. For proper installation, always replace the tube in conjunction with the 2094304054: MAIN SHAFT and the 2094106010: SHIFT SYSTEM to ensure matched wear tolerances. The 2094206001: GEARSHIFT SHAFT should also be inspected for scoring when replacing this tube.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2094104412 | MAIN SHAFT | Transfers torque from turbine to planetary gears |
| 2094304054 | MAIN SHAFT | Alternate spline configuration for high-torque applications |
| 2094106010 | SHIFT SYSTEM | Hydraulic valve assembly controlling clutch sequencing |
| 2094206001 | GEARSHIFT SHAFT | Mechanical linkage between shift fork and valve spool |
| 2094306053 | GEARSHIFT SHAFT | Longer variant for 6-speed transmissions |
| 0630513070 | SNAP RING | Retains tube in bore; prevents axial movement |
| 2094306019 | WASHER | Hardened flat washer for load distribution under bolt head |
| 0732040444 | COMPRESSION SPRING | Provides preload on shift rail detent mechanism |
| 0732040728 | COMPRESSION SPRING | Heavier spring rate for high-pressure clutch circuits |
| 2093206001 | BUSH | Bronze-lined guide bushing for gearshift shaft support |
Frequently Asked Questions
Q: Can I reuse the old O-ring when installing this tube?
A: No. The O-ring seat on the 2094.314.007 tube is designed for single-use sealing. Always install a new O-ring (sold separately) to prevent immediate leakage.
Q: Will this tube work in a ZF 4WG-200 transmission from 2005?
A: Yes, but verify your transmission serial number. Early 4WG-200 units used a shorter tube variant. Measure your existing tube length; if it matches 185 mm, this part is compatible.
Q: What torque should I apply to the tube retaining bolt?
A: Use 25 Nm (18.4 lb-ft) for the M8 retaining bolt. Over-torquing can distort the tube bore and cause internal leakage. Always use a thread-locking compound.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
Request a Quote →
