Overview
The ZF 2093.109.056 DIFFERENTIAL is a critical power-dividing component engineered for heavy-duty construction machinery transmissions. Positioned within the final drive assembly, this OEM genuine part distributes torque evenly between the axle shafts, enabling smooth cornering and preventing driveline binding under extreme loads. The SKU 2093.109.056 is precision-machined to ZF’s exacting tolerances, ensuring reliable performance in excavators, wheel loaders, and graders. When paired with a properly maintained DIFF.HOUSING, this differential minimizes gear wear and maintains consistent power transfer even in demanding off-road conditions.
Symptoms of Failure
- Grinding or whining noise during turns: Worn internal gears cause audible metal-on-metal contact, especially when maneuvering under load.
- Oil leaks around the differential housing: Degraded seals or housing cracks allow transmission fluid to escape, leading to low lubricant levels and overheating.
- Uneven tire wear or wheel hop: A failing differential fails to compensate for speed differences, causing erratic traction and accelerated tread degradation.
- Vibration during acceleration: Damaged bearing surfaces or gear teeth create driveline shudder, often misdiagnosed as a driveshaft issue.
Technical Specifications
| Specification | Value |
|---|---|
| Part Number | 2093.109.056 |
| Material | Case-hardened alloy steel |
| Weight | 18.5 kg (40.8 lbs) |
| Outer Diameter | 245 mm |
| Mounting Bolt Pattern | 8 x M12 on 180 mm PCD |
| OEM Reference | ZF 2093.109.056 |
| Related Bearing | 0750117075: TAPER ROLLER BEARING |
| Related Differential | 2093209094: DIFFERENTIAL |
| Housing Component | 2093309078: DIFF.HOUSING |
| Fastener | 0631100223: SPRING PIN |
Compatibility
This differential is designed for ZF WG180, WG200, and WG310 series transmissions commonly found in construction machinery such as compact loaders and telehandlers. It also integrates with select ZF 4WG-200 and 6WG-200 powertrains. Always verify housing compatibility with your specific model; the DIFF.HOUSING must match the mounting flange geometry. For optimal gear mesh, replace the TAPER ROLLER BEARING and SPRING PIN simultaneously to prevent premature wear.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 0750117075 | TAPER ROLLER BEARING | Supports differential carrier rotation |
| 2093209094 | DIFFERENTIAL | Alternative differential assembly variant |
| 2093309078 | DIFF.HOUSING | Encloses and aligns differential gears |
| 0631100223 | SPRING PIN | Secures differential components |
| 0730300820 | THRUST WASHER | Reduces axial gear friction |
| 4482360002 | AXLE BEVEL GEAR | Transfers power to axle shafts |
| 2097309085 | DIFFERENTIAL AXLE | Connects differential to wheel hubs |
| 5838300811 | THRUST WASHER | Secondary axial load support |
| 4482360001 | DIFFERENTIAL BEVEL GEAR | Primary torque-splitting gear |
| 2093309080 | SLEEVE | Spacer for bearing preload adjustment |
Frequently Asked Questions
Q: Can the ZF 2093.109.056 be rebuilt instead of replaced?
A: While individual gears and bearings can be swapped, the differential housing and carrier are precision-matched. For construction machinery under heavy loads, full replacement with OEM part 2093.109.056 is recommended to avoid alignment issues.
Q: What causes premature failure of this differential?
A: Contaminated transmission fluid, improper backlash adjustment, and worn TAPER ROLLER BEARING assemblies are the top three causes. Always inspect the DIFF.HOUSING for cracks during service.
Q: Is the 2093.109.056 compatible with ZF 4WG-200 transmissions?
A: Yes, it is a direct fit for 4WG-200 and 6WG-200 series, provided the SPRING PIN and thrust washers are also updated to current specifications.
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Phone: +86 158 2286 3467 |
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