Overview
The ZF 2094.027.003 T 7336 L is an OEM genuine hydraulic control valve assembly engineered for precise clutch modulation in heavy-duty construction machinery transmissions. This critical component regulates oil flow and pressure to engage and disengage gear sets, ensuring smooth power transfer under extreme load conditions. As a direct replacement for the SKU 2094.027.003, this part sits within the valve body section of the transmission, interfacing directly with the 2094101011: TRANSMISSION HOUSING to maintain hydraulic circuit integrity. Its precision-machined spools and hardened steel construction are designed to withstand continuous high-pressure operation in excavators, wheel loaders, and graders.
Symptoms of Failure
- Erratic gear engagement or slipping under load: When the valve spools wear or become contaminated, hydraulic pressure drops, causing clutches to slip during acceleration or uphill operation.
- Delayed shifting or harsh engagement: Worn internal seals or scored bores prevent proper pilot pressure buildup, leading to jarring shifts or a noticeable lag between gear changes.
- External oil leaks near the valve body: Degraded O-rings or cracked housing interfaces allow transmission fluid to escape, often pooling around the 2094301045: HOUSING mating surface.
- Transmission overheating or erratic pressure readings: A failing control valve can cause continuous clutch slip, generating excessive heat and triggering warning lights on the operator display.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 2094.027.003 (T 7336 L) |
| OEM Reference | ZF 2094.027.003 |
| Material | Hardened steel spool with aluminum alloy body |
| Weight | 2.85 kg (6.28 lbs) |
| Overall Dimensions | 210 mm x 95 mm x 75 mm |
| Operating Pressure | 18-25 bar (261-363 psi) |
| Seal Type | Nitrile rubber (NBR) O-rings |
| Thread Size | M10 x 1.5 mounting bolts |
Compatibility
This control valve is engineered for ZF’s WG series powershift transmissions commonly used in construction machinery. It is a direct fit for the following models: WG180, WG200, WG120, and WG150. It also applies to certain variants of the WG160 and WG210 series where the valve body configuration matches the T 7336 L porting pattern. Always verify the 2094301044: COVER alignment and the 0635460022: BALL check valve orientation during installation to ensure proper hydraulic flow.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2094101011 | TRANSMISSION HOUSING | Encloses gear train and valve body assembly |
| 2094301045 | HOUSING | Supports control valve and oil passages |
| 0635460022 | BALL | Check valve for pressure regulation |
| 2094301044 | COVER | Seals valve body and retains springs |
| 0750111371 | SHAFT SEAL | Prevents fluid leakage at rotating shafts |
| 0634303085 | O-RING | Seals hydraulic connections |
| 2094301030 | GASKET | Provides leak-proof joint between housings |
| 0631306670 | CYLINDRICAL PIN | Aligns valve body components |
| 0636011356 | HEXAGON SCREW | Fastens valve body to transmission |
| 4475280060 | SCREW PLUG | Seals oil galleries and test ports |
