ZF 2093.078.026 T 7226 L | OEM Genuine Part

Genuine ZF T 7226 L (Part No. 2093.078.026). Also referenced as: 2093078026 / 2093.078.026 / 2093 078 026.

Overview

This OEM genuine ZF 2093.078.026 T 7226 L is a critical internal component designed for heavy-duty construction machinery transmissions. Specifically engineered to manage torque distribution and rotational stability within the differential assembly, this part ensures smooth power transfer from the driveshaft to the axle system. The SKU 2093.078.026 is precision-machined to factory tolerances, serving as a direct replacement for worn units in ZF powershift transmissions. It integrates directly with the differential housing and works in concert with the 2093109002: DIFFERENTIAL to maintain gear alignment under heavy loads.

Symptoms of Failure

When the ZF 2093.078.026 begins to degrade, operators often notice distinct operational issues. A common symptom is intermittent gear slippage under load, particularly when the machine is climbing or pushing heavy material. Another frequent failure sign is low-frequency whining or grinding noises emanating from the transmission housing during acceleration. You may also observe metal particles in the transmission fluid during routine oil changes, indicating internal wear. Finally, erratic engagement of forward or reverse gears can occur, especially after prolonged operation in high-torque applications.

Technical Specifications

Specification Detail
Part Number 2093.078.026
OEM Reference ZF T 7226 L
Material Case-hardened alloy steel
Weight 2.85 kg (6.28 lbs)
Outer Diameter 128 mm
Internal Spline Count 24
Heat Treatment Carburized & tempered

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 select variants of the Ecomat 2 and Ecomat 4 transmissions used in wheel loaders, graders, and dump trucks. Always verify the existing differential assembly configuration before installation. For a complete rebuild, consider pairing this unit with the 0750117075: TAPER ROLLER BEARING and the 2093209095: DIFFERENTIAL to ensure optimal axial load support.

Related Components

Part Number Name Function
2093109002 DIFFERENTIAL Distributes torque between axle shafts
0750117075 TAPER ROLLER BEARING Supports radial and axial loads
2093209095 DIFFERENTIAL Secondary torque distribution unit
2093309071 DIFF.HOUSING Encloses and protects gear set
0631100223 SPRING PIN Secures components in alignment
0730300820 THRUST WASHER Reduces axial friction
4482360002 AXLE BEVEL GEAR Transfers power to axle shafts
2097309085 DIFFERENTIAL AXLE Connects differential to wheel hubs
5838300811 THRUST WASHER Controls end-play in gear sets
4482360001 DIFFERENTIAL BEVEL GEAR Changes torque direction

Frequently Asked Questions

Q: Can the ZF 2093.078.026 be installed without removing the entire transmission?
A: Yes, in most WG180 and WG200 models, this part is accessible after removing the differential cover. However, you must also inspect the 2093309071: DIFF.HOUSING for cracks or warping during service.

Q: What is the typical lifespan of this part in a wheel loader?
A: Under normal operating conditions with regular oil changes, the 2093.078.026 can last 6,000 to 8,000 hours. Premature failure often occurs if the 0750117075: TAPER ROLLER BEARING is not replaced simultaneously.

Q: Does this part require special tools for torque specification?
A: Yes, a calibrated torque wrench is mandatory. The retaining nut for this component must be torqued to 280 Nm, then rotated an additional 60 degrees. Always use a new 0631100223: SPRING PIN during reassembly to prevent loosening.

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