ZF 4699.109.033 BRAKE PARTS | OEM Genuine Part

Overview

The ZF 4699.109.033 BRAKE PARTS assembly is a critical OEM genuine component engineered for high-torque construction machinery transmissions. This part functions as the primary friction interface within the brake pack, converting hydraulic pressure into stopping force to control planetary gear sets. Positioned inside the transmission housing, it directly interacts with the 4699101155 HOUSING and the 4699201018 HOUSING to ensure precise clutch engagement. The SKU 4699.109.033 is manufactured to ZF’s original tolerances, guaranteeing a direct fit without modification. Its robust construction withstands extreme thermal loads generated during repeated braking cycles in wheel loaders, excavators, and graders.

Symptoms of Failure

• Delayed gear engagement or transmission slipping: Worn brake parts reduce clamping force, causing hesitation when shifting from neutral to drive or reverse under load.
• Oil leaks around the brake housing: Degraded sealing surfaces allow transmission fluid to escape, often visible as drips near the 0636100132 TORX SCREW fasteners.
• Burning smell or discolored fluid: Friction material breakdown generates excessive heat, contaminating the oil with debris and producing a distinct burnt odor.
• Erratic braking performance: The machine may lurch or fail to hold position on inclines due to uneven wear across the brake pack.

Technical Specifications

Compatibility

This brake part is designed for ZF WG series transmissions commonly used in heavy construction equipment. Verified compatible models include WG180, WG200, and WH200 series. It also fits select Ecomat 4HP and 6HP variants when paired with the correct 4699309077 HOUSING COVER. Always confirm your transmission serial number against the ZF parts catalog before ordering. The part is not backward-compatible with older 2-speed gearboxes without adapter plates.

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