Overview
The ZF 2098.340.036 BUSH is a precision-engineered OEM genuine component designed to function as a critical wear surface within the final drive assembly of heavy-duty construction machinery transmissions. This bushing provides a low-friction interface between rotating shafts and stationary housings, ensuring precise axial alignment and reducing vibrational loads during high-torque operations. The SKU 2098.340.036 is specifically manufactured to ZF’s original tolerances, making it a direct replacement for worn units in planetary gear sets and differential carriers. Its primary role is to absorb radial forces and maintain consistent gear mesh patterns, which directly impacts the longevity of adjacent drivetrain components.
Symptoms of Failure
- Audible whining or grinding from the axle housing: When the bushing wears beyond its clearance limits, metal-on-metal contact occurs, producing a distinct high-pitched noise during acceleration or deceleration.
- Increased backlash in the driveline: A worn 2098.340.036 bushing allows excessive lateral movement of the shaft, causing a noticeable clunk when shifting between forward and reverse gears.
- Oil contamination with metallic particles: As the bushing surface degrades, fine bronze or steel shavings enter the transmission fluid, often visible during routine oil changes as a glittering residue.
- Premature wear of the differential housing bore: A failing bushing can ovalize the housing seat, leading to persistent oil seepage around the axle flange and eventual housing failure if not addressed promptly.
Technical Specifications
| Part Number | 2098.340.036 |
| Type | Plain Cylindrical Bushing |
| Inner Diameter | 45.00 mm (nominal) |
| Outer Diameter | 55.00 mm (nominal) |
| Length | 30.00 mm |
| Material | Phosphor Bronze (CuSn8P) |
| Hardness | 80-90 HB |
| Weight | 0.12 kg |
| OEM Reference | ZF 2098.340.036 |
| Surface Finish | Ra ≤ 0.8 µm |
Compatibility
This bushing is engineered for integration into ZF’s WG series powershift transmissions commonly deployed in wheel loaders, graders, and telehandlers. It is a direct fit for the WG180, WG200, and WG210 transmission models, where it supports the output shaft within the differential housing. The 2098.340.036 also appears in certain HP500 and HP600 series torque converter transmissions used in compact construction equipment. When replacing this bushing, it is standard practice to inspect the mating DIFFERENTIAL HOUSING (2098309010) for scoring and to verify the condition of the DIFFERENTIAL (2098109042) assembly for any signs of axial play.
During a full overhaul, the bushing should be installed alongside the CROWN WHEEL (2098309011) and the DIFFERENTIAL (2099209001) to ensure uniform load distribution across the gear set. Proper seating of the bushing is critical to prevent misalignment that could accelerate wear on the AXLE BEVEL GEAR (2098309031) and its counterpart, the AXLE BEVEL GEAR (2098309030).
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2098109042 | DIFFERENTIAL | Distributes torque between axle shafts |
| 2098309011 | CROWN WHEEL | Transfers power from pinion to differential |
| 2099209001 | DIFFERENTIAL | Alternate differential assembly variant |
| 2098309010 | DIFFERENTIAL HOUSING | Encloses differential gears and bearings |
| 2098309009 | DIFFERENTIAL HOUSING | Alternate housing for specific models |
| 2098309031 | AXLE BEVEL GEAR | Drives the wheel hub reduction |
| 2098309030 | AXLE BEVEL GEAR | Matching bevel gear for opposite side |
| 2098309032 | DIFFERENTIAL BEVEL GEAR | Allows speed differentiation between wheels |
| 12883200682 | THRUST WASHER | Controls axial clearance in gear sets |
| 0635332059 | BALL BEARING | Supports rotating shafts with minimal friction |
