Overview
The ZF 2093.078.041 T 7226 L is an OEM genuine component engineered for the differential assembly within heavy-duty ZF powershift transmissions. This precision-machined part, identified by SKU 2093.078.041, functions as a critical load-bearing element that manages torque distribution between the axle shafts. It sits directly inside the differential housing, working in concert with the 2093109024: DIFFERENTIAL to ensure smooth power transfer under extreme loads. When this component degrades, the entire drivetrain loses its ability to maintain consistent traction, making it a vital replacement part for construction machinery operators.
Symptoms of Failure
- Intermittent gear slipping under load: When the 2093.078.041 wears, the transmission may momentarily lose engagement during heavy excavation or grading, causing sudden RPM spikes without forward motion.
- Metallic grinding noise from the axle housing: Worn surfaces create a distinct high-pitched grinding sound during turns or acceleration, indicating internal contact between the component and the 2093309071: DIFF.HOUSING.
- Oil contamination with metallic particles: As the part fractures, fine metal shavings appear in the transmission fluid, often visible during routine oil changes or when checking the magnetic drain plug.
- Uneven tire wear and differential lock failure: A failing component causes the differential to bind, leading to premature tire scrubbing on solid surfaces and difficulty engaging the locking mechanism.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 2093.078.041 |
| OEM Reference | ZF T 7226 L |
| Material | Case-hardened alloy steel (20MnCr5) |
| Weight | 2.85 kg (6.28 lbs) |
| Outer Diameter | 142 mm |
| Inner Bore Diameter | 45 mm |
| Width/Thickness | 38 mm |
| Heat Treatment | Carburized & tempered to HRC 58-62 |
Compatibility
This genuine ZF part is designed for use in the following transmission models: WG180, WG200, WG210, and WG250 series. It is also compatible with certain variants of the Ecomat 4HP and 6HP series used in wheel loaders and graders. For proper installation, this component must be paired with the 0750117075: TAPER ROLLER BEARING to maintain correct axial preload. Additionally, the 2093209095: DIFFERENTIAL assembly relies on this part for proper gear mesh alignment.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2093109024 | DIFFERENTIAL | Torque distribution between left/right axles |
| 0750117075 | TAPER ROLLER BEARING | Supports rotating shaft loads |
| 2093209095 | DIFFERENTIAL | Secondary gear set for speed differentiation |
| 2093309071 | DIFF.HOUSING | Encloses and protects internal gears |
| 0631100223 | SPRING PIN | Secures gear alignment during assembly |
| 0730300820 | THRUST WASHER | Reduces axial friction between rotating parts |
| 4482360002 | AXLE BEVEL GEAR | Transfers power from differential to axle shafts |
| 2097309085 | DIFFERENTIAL AXLE | Connects differential to wheel hubs |
| 5838300811 | THRUST WASHER | Controls end-play in differential assembly |
| 4482360001 | DIFFERENTIAL BEVEL GEAR | Primary gear for torque splitting |
Frequently Asked Questions
Q: Can the ZF 2093.078.041 be replaced without removing the entire transmission?
A: Yes, in most WG180 and WG200 models, this component is accessible after removing the differential cover and side shafts. However, you must also inspect the 0750117075: TAPER ROLLER BEARING for wear during the same service interval.
Q: What is the expected service life of this part under normal construction conditions?
A: With proper lubrication and regular oil changes every 500 hours, the 2093.078.041 typically lasts 8,000–12,000 operating hours. Heavy shock loading or contaminated fluid will drastically reduce this lifespan.
Q: Does this part require special tools for installation?
A: A hydraulic press and a dial indicator are recommended to verify the preload against the 2093309071: DIFF.HOUSING. Torque specifications must be followed precisely to avoid premature failure.
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