Overview
The ZF 2093.005.138 T 7224 L is an OEM genuine differential assembly engineered for heavy-duty construction machinery transmissions. This critical component manages torque distribution between the drive wheels, ensuring stable power delivery under extreme loads. As a precision-machined unit, it integrates directly into the final drive section of ZF powershift transmissions. The SKU 2093.005.138 identifies this as a factory-spec replacement part designed to restore original gear mesh geometry and load capacity. When paired with the 5838109009: DIFFERENTIAL and 2093209023: DIFFERENTIAL, it forms the core of the axle assembly, while the 5838300626: DIFFERENTIAL HOUSING provides structural support.
Symptoms of Failure
- Oil leaks near axle housing: Worn seals or housing cracks cause fluid loss, often first noticed as drips under the machine after shutdown.
- Gear slipping under load: Damaged differential gears fail to maintain traction, resulting in sudden wheel spin or loss of drive power on inclines.
- Grinding noise during turns: Excessive backlash or pitted gear teeth produce a distinct metallic grinding sound when the machine maneuvers.
- Vibration in the driveline: Imbalanced differential components transmit vibration through the transmission, felt in the operator cab at low speeds.
Technical Specifications
| Parameter | Value |
|---|---|
| OEM Part Number | 2093.005.138 |
| Material | Case-hardened alloy steel |
| Weight | 18.5 kg (40.8 lbs) |
| Outer Diameter | 245 mm |
| Overall Length | 320 mm |
| Gear Ratio | 3.73:1 |
| Bearing Type | Taper roller (compatible with 0750117075: TAPER ROLLER BEARING) |
Compatibility
This differential assembly is compatible with ZF WG180, WG200, and WG250 series transmissions commonly found in wheel loaders, graders, and telehandlers. It also fits select ZF 4WG-200 and 6WG-200 models used in construction machinery from 1998 to 2015. Always verify the housing configuration with the 5838300626: DIFFERENTIAL HOUSING to ensure proper fitment.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 5838109009 | Differential | Torque distribution between wheels |
| 0750117075 | Taper Roller Bearing | Supports rotating differential shaft |
| 2093209023 | Differential | Secondary gear set for final drive |
| 5838300626 | Differential Housing | Encloses and protects gear assembly |
| 0631329088 | Spring Pin | Secures gear alignment during operation |
| 5838300811 | Thrust Washer | Reduces axial friction on gears |
| 5838300721 | Axle Bevel Gear | Transfers power to wheel axles |
| 5838300633 | Axle | Connects differential to wheel hub |
| 5838300753 | Thrust Washer | Controls gear end-play tolerance |
| 5838300818 | Thrust Washer | Prevents metal-to-metal contact |
Frequently Asked Questions
Q: Can this differential be used in ZF 4WG-200 transmissions?
A: Yes, the 2093.005.138 is a direct replacement for 4WG-200 series differentials, provided the housing matches the 5838300626: DIFFERENTIAL HOUSING dimensions.
Q: What causes premature failure of this part?
A: Common causes include contaminated lubricant, improper bearing preload from the 0750117075: TAPER ROLLER BEARING, or shock loads exceeding the gear’s torque rating.
Q: Is the thrust washer set included with this part?
A: No, the 5838300811: THRUST WASHER and 5838300753: THRUST WASHER must be ordered separately to complete the assembly.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
Request a Quote →
