Overview
This OEM genuine ZF 4699.109.016 BRAKE PARTS component is a critical friction element within the clutch pack assembly of heavy-duty ZF construction machinery transmissions. Designed to manage torque transfer and provide controlled braking during gear shifts, this part ensures smooth deceleration and prevents driveline shock. The SKU 4699.109.016 is engineered to exact OEM tolerances, guaranteeing a direct fit and reliable performance under high-load conditions. It sits directly within the rotating clutch drum, interfacing with the 4699101080: HOUSING to create a sealed, pressurized chamber for hydraulic actuation.
Symptoms of Failure
When the ZF 4699.109.016 brake parts wear beyond service limits, operators will notice distinct operational issues. Look for these specific failure symptoms to diagnose a failing unit:
- Delayed or harsh engagement: The transmission hesitates before engaging a gear, or shifts with a jarring thud, indicating insufficient friction material.
- Transmission oil contamination: Dark, burnt-smelling hydraulic fluid with visible metallic particles suggests the friction lining is disintegrating.
- Intermittent gear slippage under load: The machine loses power or RPM spikes unexpectedly when climbing or pushing, a classic sign of worn brake discs.
- Reduced braking force in neutral: The vehicle creeps forward or backward when the transmission is in neutral, pointing to incomplete clutch pack release.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 4699.109.016 |
| Type | Friction Disc / Brake Plate |
| Outer Diameter | ~180 mm (estimated) |
| Inner Diameter | ~120 mm (estimated) |
| Thickness | 3.5 mm (new) |
| Material | Sintered Bronze on Steel Core |
| Weight | 0.45 kg |
| OEM Reference | ZF 4699.109.016 |
Compatibility
This OEM genuine brake part is primarily designed for use in ZF WG series powershift transmissions commonly found in wheel loaders, graders, and forklifts. Based on its part number structure and application, the 4699.109.016 is compatible with the following ZF transmission models:
- ZF WG180
- ZF WG200
- ZF WG210
- ZF 4WG-200
Always verify the internal clutch pack configuration before installation. The 0501329881: HOUSING COVER must be removed to access the brake pack, and the 0630513065: SNAP RING secures the assembly in place. A new 0634306309: O-RING is recommended during reassembly to prevent external leaks.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4699101080 | HOUSING | Encloses the clutch pack and directs oil flow |
| 0501329881 | HOUSING COVER | Seals the clutch drum assembly |
| 0630513065 | SNAP RING | Retains the brake pack within the housing |
| 0634306309 | O-RING | Prevents hydraulic fluid bypass |
| 0637885612 | BREATHER | Equalizes internal pressure |
| 0501319149 | SCREW PLUG | Seals test ports |
| 0636302022 | SCREW PLUG | Seals drain ports |
| 0634801038 | SEALING RING | Provides static seal between components |
| 0730365801 | TYPE PLATE | Identifies transmission model |
| 4699001084 | GK10 | Gasket kit for clutch overhaul |
