ZF 0501.216.151 BRAKE

Overview

The ZF 0501.216.151 BRAKE is a critical OEM genuine friction component engineered for the internal wet-brake system of heavy-duty construction machinery transmissions. This part provides the stopping force required to hold the output shaft stationary when the vehicle is parked or during specific operational modes. Designed as a direct replacement, the SKU 0501.216.151 ensures that the brake pack engages and disengages with precise hydraulic pressure, preventing unintended movement under heavy loads. It sits within the transmission housing, interfacing directly with the output shaft assembly to manage torque hold and release cycles in demanding environments.

Symptoms of Failure

• Transmission brake slipping under load: When the ZF 0501.216.151 wears thin, the brake pack fails to hold torque, causing the machine to creep on inclines or during stationary operation.
• Oil leaks near the brake housing: Worn friction material or degraded seals allow transmission fluid to bypass the brake piston, resulting in visible drips around the bell housing area.
• Delayed engagement or harsh braking: A failing brake disc causes inconsistent hydraulic response, leading to a lag when applying the brake or a sudden, jarring stop.
• Increased operating temperature: Excessive slippage from a worn 0501.216.151 generates abnormal heat, often detectable through the transmission oil cooler or dashboard temperature warnings.

Technical Specifications

Compatibility

This brake disc is primarily utilized in ZF WG series transmissions, specifically the WG180 and WG200 models, which are common in wheel loaders, telehandlers, and excavators. It also fits select variants of the WG150 and WG250 transmissions where the brake pack configuration matches the 216 mm outer diameter and 151 mm inner diameter specifications. Always verify the stack height and spline count against your transmission’s service manual before installation.

During a full brake overhaul, it is standard practice to replace the 4699004017: GK25 seal kit to prevent fluid bypass. The brake disc sits inside the 4699101065: HOUSING, which must be inspected for scoring. The brake pack interfaces with the 4699102082: INPUT shaft for engagement and the 4699103026: OUTPUT shaft for torque transmission. Neglecting these companion components can lead to premature failure of the new brake disc.

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