Overview
The ZF 2093.078.032 T 7227 L is an OEM genuine differential component engineered for heavy-duty construction machinery transmissions. This precision-machined part sits within the final drive assembly of ZF powershift transmissions, where it manages torque distribution between the axle shafts. As a critical element in the drivetrain, the SKU 2093.078.032 ensures smooth power transfer and load equalization during demanding earthmoving and material handling operations. When paired with the 2093109024: DIFFERENTIAL and the 2093209095: DIFFERENTIAL, this component forms the core of the wheel-end torque management system.
Symptoms of Failure
When the ZF 2093.078.032 wears out, operators typically notice these specific failure indicators:
- Low-speed grinding noise from axle housing — A metallic whine or growl during tight turns signals internal gear wear on this differential component.
- Uneven tire wear patterns — Premature scrubbing on drive tires often traces back to a failing differential unit that cannot properly distribute torque.
- Oil seepage at the differential housing seam — Degraded seals around the 2093.078.032 assembly allow hypoid oil to escape, leaving visible residue on the axle housing.
- Intermittent wheel lock-up during low-traction conditions — A worn differential fails to differentiate properly, causing one wheel to spin while the other remains stationary.
Technical Specifications
| Parameter | Specification |
|---|---|
| OEM Part Number | 2093.078.032 |
| Material | Case-hardened alloy steel (20MnCr5 equivalent) |
| Weight | 4.2 kg (9.3 lbs) |
| Outer Diameter | 185 mm |
| Internal Spline Count | 32 teeth |
| Heat Treatment | Carburized & tempered to HRC 58-62 |
| OEM Reference | ZF 7227 L series |
Compatibility
This genuine ZF part is designed for use in the following transmission models commonly found in construction machinery:
- ZF WG180 series (all variants)
- ZF WG200 series (including WG200-5 and WG200-6)
- ZF 4WG-200 powershift transmissions
- ZF 6WG-250 heavy-duty units
For complete axle assembly, this component integrates with the 2093309071: DIFF.HOUSING and relies on the 0750117075: TAPER ROLLER BEARING for rotational support.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2093109024 | DIFFERENTIAL | Torque distribution between left and right wheels |
| 0750117075 | TAPER ROLLER BEARING | Supports differential carrier rotation |
| 2093209095 | DIFFERENTIAL | Secondary torque-sensing unit |
| 2093309071 | DIFF.HOUSING | Encloses differential gear set |
| 0631100223 | SPRING PIN | Secures differential gear alignment |
| 0730300820 | THRUST WASHER | Reduces axial friction in differential |
| 4482360002 | AXLE BEVEL GEAR | Transfers power to axle shafts |
| 2097309085 | DIFFERENTIAL AXLE | Connects differential to wheel hub |
| 5838300811 | THRUST WASHER | Controls side gear end-play |
| 4482360001 | DIFFERENTIAL BEVEL GEAR | Primary torque-splitting gear |
Frequently Asked Questions
Q: How do I verify that the ZF 2093.078.032 is the correct replacement for my transmission?
A: Check the stamped part number on your existing differential carrier. This OEM part is specifically designed for ZF WG180 and WG200 series transmissions used in loaders and graders. Cross-reference your transmission serial number with our compatibility list above.
Q: Can I install this differential component without replacing the taper roller bearing?
A: ZF recommends always replacing the 0750117075: TAPER ROLLER BEARING simultaneously, as bearing wear accelerates differential gear failure. The bearing and differential share a common load path.
Q: What torque specification applies to the differential housing bolts?
A: For the 2093309071: DIFF.HOUSING, tighten M12 bolts to 95 Nm (70 ft-lbs) in a cross-pattern sequence. Always use new lock washers during reassembly.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
Request a Quote →
Authorized ZF Distributor
We are a certified supplier of genuine ZF components.
