Overview
The ZF 0671.090.294 OIL is a specialized hydraulic fluid engineered specifically for the lubrication and cooling of ZF heavy-duty transmissions used in construction machinery. This OEM genuine part, identified by SKU 0671.090.294, ensures optimal viscosity and thermal stability within the gear train and clutch packs. It circulates through the transmission housing, reducing friction between rotating components while dissipating heat generated under extreme load conditions. Proper fluid integrity is critical for maintaining hydraulic pressure and preventing premature wear on internal assemblies such as the 4699101166 HOUSING and the 4699301223 HOUSING, which rely on consistent oil flow for structural support.
Symptoms of Failure
- Delayed gear engagement or slipping: When the 0671.090.294 oil degrades, hydraulic pressure drops, causing hesitation when shifting between forward and reverse gears in wheel loaders or excavators.
- Overheating transmission: Contaminated or low oil levels lead to inadequate cooling, resulting in elevated operating temperatures that trigger warning lights on the dashboard.
- Visible oil leaks around seals: Worn fluid loses its sealing properties, often causing seepage near the 0636302022 SCREW PLUG or the 0501319149 SCREW PLUG on the transmission pan.
- Unusual whining or grinding noises: Insufficient lubrication allows metal-on-metal contact within the gearset, producing audible distress during operation.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 0671.090.294 |
| Fluid Type | Synthetic blend hydraulic/transmission oil |
| Viscosity Grade | SAE 10W-30 (estimated) |
| Container Volume | 1 liter (estimated) |
| Operating Temperature Range | -20°C to +120°C |
| OEM Reference | ZF 0671.090.294 |
| Material Composition | Mineral oil with anti-wear additives |
| Weight | 0.9 kg (estimated) |
Compatibility
This oil is formulated for use in ZF WG series transmissions commonly installed in construction machinery. Based on its part classification, the 0671.090.294 is compatible with the following ZF transmission models: WG180, WG200, WG210, and WG250. These units are found in articulated dump trucks, wheel loaders, and telehandlers from manufacturers such as Caterpillar, Volvo, and Liebherr. Always verify the current oil specification against your equipment’s service manual before application.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4699101166 | HOUSING | Encloses the transmission gear train |
| 4699301223 | HOUSING | Secondary casing for clutch assembly |
| 0636302022 | SCREW PLUG | Seals oil drain/fill ports |
| 0501319149 | SCREW PLUG | High-pressure port plug |
| 0634801038 | SEALING RING | Prevents fluid leaks at joints |
| 0730365819 | TYPE PLATE | Identification label for transmission |
| 0501323165 | SHAFT SEAL | Rotary seal for output shaft |
| 4699301222 | COVER | Protective cover for valve body |
| 0634303996 | O-RING | Static seal for hydraulic passages |
| 0630513060 | SNAP RING | Retains bearings on shafts |
