Overview
The ZF 2098.328.056 BRAKE LEVER is a critical actuation component within the final drive assembly of heavy-duty construction machinery. This OEM genuine part directly interfaces with the brake band mechanism to modulate stopping force on the transmission output shaft. As a mechanical linkage, the lever converts linear motion from the brake cylinder into rotational force, ensuring precise engagement and disengagement of the parking or service brake system. The SKU 2098.328.056 is engineered to ZF’s exacting tolerances, providing reliable performance under extreme loads and high-cycle operations typical of wheel loaders, graders, and dozers.
Symptoms of Failure
- Intermittent brake drag or incomplete release: A worn or bent lever fails to fully disengage the brake band, causing overheating and reduced fuel efficiency.
- Audible clicking or popping from the axle housing: Excessive play in the lever pivot point indicates wear, often accompanied by erratic braking response.
- Increased pedal or lever travel before braking action: The mechanical advantage is lost as the lever’s fulcrum wears, requiring more force to achieve the same stopping power.
- Oil seepage around the brake lever shaft seal: A worn lever can damage the seal bore, leading to transmission fluid contamination and reduced lubricity in the differential.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 2098.328.056 |
| Material | Forged alloy steel, heat-treated |
| Overall Length | 185 mm (7.28 in) |
| Pivot Bore Diameter | 25.4 mm (1.00 in) |
| Lever Arm Thickness | 12 mm (0.47 in) |
| Weight | 0.85 kg (1.87 lbs) |
| OEM Reference | ZF 2098.328.056 |
Compatibility
This brake lever is designed for integration into ZF’s WG series power shift transmissions, specifically the WG180, WG200, and WG250 models. It is commonly found in articulated dump trucks, wheel loaders, and crawler dozers manufactured between 2005 and 2020. The lever mounts directly to the brake shaft housing and interfaces with the 2098109043: DIFFERENTIAL assembly. For optimal gear train synchronization, pair this lever with the 2098209011: BEVEL GEAR SET and the 2098209016: DIFFERENTIAL unit. The 2095309059: DIFF.HOUSING provides the structural enclosure for this brake actuation system.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2098109043 | DIFFERENTIAL | Distributes torque to axle shafts |
| 2098209011 | BEVEL GEAR SET | Transfers power at 90-degree angle |
| 2098209016 | DIFFERENTIAL | Allows wheel speed variation |
| 2095309059 | DIFF.HOUSING | Encloses differential components |
| 0631329086 | SPRING PIN | Secures lever pivot alignment |
| 0730300820 | THRUST WASHER | Reduces axial friction on shaft |
| 4482360002 | AXLE BEVEL GEAR | Drives wheel hub rotation |
| 2095309081 | DIFFERENTIAL AXLE | Transmits power to wheels |
| 5838300811 | THRUST WASHER | Controls gear end-play |
| 4482360001 | DIFFERENTIAL BEVEL GEAR | Engages with ring gear |
