Overview
The ZF 2094.313.059 TUBE is a genuine OEM hydraulic fluid conduit engineered for heavy-duty construction machinery transmissions. This precision-machined tube directs pressurized oil to critical lubrication points within the valve body and clutch pack assembly. As an integral part of the transmission’s hydraulic circuit, the 2094.313.059 ensures consistent fluid flow for smooth gear engagement and thermal regulation. When paired with a properly functioning 2094104412 MAIN SHAFT, this tube maintains the hydraulic pressure necessary for reliable power transfer in demanding construction environments.
Symptoms of Failure
- Hydraulic fluid seepage at tube junctions: Cracks or corrosion in the 2094.313.059 tube often cause slow oil drips near the transmission housing, leading to low fluid levels and eventual overheating.
- Erratic gear engagement under load: A compromised tube disrupts oil delivery to the clutch packs, resulting in delayed or harsh shifting—especially when operating excavators or loaders on inclines.
- Audible whining from the transmission sump: Restricted flow through a deformed tube creates cavitation noise, indicating insufficient lubrication to the 2094304054 MAIN SHAFT bearings.
- Burnt clutch smell after extended operation: Oil starvation from a blocked tube accelerates friction plate wear, producing acrid odors and visible debris in the fluid.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 2094.313.059 |
| Material | Seamless drawn steel with zinc-nickel plating |
| Length | 245 mm |
| Outer Diameter | 12 mm |
| Wall Thickness | 1.5 mm |
| Weight | 0.18 kg |
| OEM Reference | ZF 2094.313.059 |
| Operating Pressure | 18–22 bar |
Compatibility
This genuine ZF tube is designed for the WG180, WG200, and WG210 series powershift transmissions commonly used in wheel loaders, dozers, and telescopic handlers. It also fits select variants of the 4WG-200 and 6WG-200 models. For optimal hydraulic circuit integrity, always replace this tube alongside the 2094106010 SHIFT SYSTEM and the 2094206001 GEARSHIFT SHAFT to prevent cross-contamination from worn components.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2094104412 | MAIN SHAFT | Transfers torque from engine to gear train |
| 2094304054 | MAIN SHAFT | Supports clutch pack alignment |
| 2094106010 | SHIFT SYSTEM | Controls hydraulic valve spool movement |
| 2094206001 | GEARSHIFT SHAFT | Mechanically links shift fork to actuator |
| 2094306053 | GEARSHIFT SHAFT | Alternate spline configuration for WG210 |
| 0630513070 | SNAP RING | Secures tube end fittings |
| 2094306019 | WASHER | Distributes clamping load on tube bracket |
| 0732040444 | COMPRESSION SPRING | Dampens shift fork return motion |
| 0732040728 | COMPRESSION SPRING | Higher rate spring for heavy-load shifts |
| 2093206001 | BUSH | Guides gearshift shaft through housing |
Frequently Asked Questions
Q: Can a damaged 2094.313.059 tube cause transmission overheating?
A: Yes. A cracked or kinked tube reduces oil flow to the cooler circuit, causing fluid temperatures to exceed 120°C and accelerating seal degradation.
Q: How do I verify if this tube fits my ZF WG200 transmission?
A: Check the stamped part number on the original tube. The 2094.313.059 is dimensionally identical to the OEM tube used in WG200 series units with serial numbers after 2015.
Q: Should I replace the O-rings when installing this tube?
A: Absolutely. Always install new sealing rings (sold separately) to prevent leaks at the banjo fittings. Reusing old O-rings voids the hydraulic circuit integrity.
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Phone: +86 158 2286 3467 |
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