Overview
The ZF 2098.128.001 BRAKE is a critical OEM genuine component designed for the internal braking system within ZF heavy-duty transmissions used in construction machinery. This part functions as a friction-based stopping mechanism, engaging directly with the planetary gear set to control output shaft rotation and hold the vehicle stationary under load. The SKU 2098.128.001 is specifically engineered to withstand high thermal stress and mechanical shock common in earthmoving and material handling equipment. It sits within the transmission housing, adjacent to the 2098109041: DIFFERENTIAL, ensuring that braking force is applied precisely to the driveline without interfering with the differential’s torque distribution.
Symptoms of Failure
When the ZF 2098.128.001 brake wears out, operators will notice distinct performance issues. Transmission brake slipping under load is a primary symptom, where the machine creeps forward or backward even with the brake engaged. Excessive heat generation near the transmission housing indicates internal friction loss, often accompanied by a burnt odor. Delayed engagement or grinding noise when applying the parking brake signals that the brake disc or lining has worn beyond tolerance. Finally, intermittent loss of holding power on inclines is a common long-tail search query for this part, pointing to hydraulic pressure loss or material fatigue in the brake assembly.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 2098.128.001 |
| Type | Wet Multi-Disc Brake |
| Outer Diameter | 180 mm |
| Inner Diameter | 120 mm |
| Thickness | 8.5 mm |
| Material | Sintered Bronze / Steel Composite |
| Weight | 1.2 kg |
| OEM Reference | ZF 2098.128.001 |
| Torque Capacity | 450 Nm |
Compatibility
This brake component is engineered for integration with ZF’s WG series transmissions commonly deployed in construction machinery. It is directly compatible with the ZF WG180, WG200, and WG210 models, as well as certain variants of the ZF 4WG-200 and 5WG-200 series. The part interfaces with the 2098110053: P.T.O. SHAFT and the 2098310099: P.T.O. SHAFT to ensure synchronized braking during power take-off operations. Additionally, the assembly relies on the 0635332034: BALL BEARING for smooth rotational support of the brake hub.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2098109041 | DIFFERENTIAL | Distributes torque between axles |
| 2098110053 | P.T.O. SHAFT | Transfers power to auxiliary equipment |
| 2098310099 | P.T.O. SHAFT | Secondary power take-off shaft |
| 0635332034 | BALL BEARING | Reduces rotational friction |
| 0630503010 | SNAP RING | Secures components on shaft |
| 11882200632 | THRUST WASHER | Prevents axial movement |
| 2098310037 | BEARING COVER | Protects bearing assembly |
| 0630531050 | RETAINING RING | Locks bearing in place |
| 0636100416 | HEXAGON SCREW | Fastens housing components |
| 5840333258 | SHAFT SEAL | Prevents fluid leakage |
