Overview
The ZF 4699.105.116 ASSEMBLY PARTS is a critical internal component engineered for heavy-duty construction machinery transmissions. This OEM genuine part functions as a precision-machined interface element within the clutch pack or planetary gear set, ensuring correct alignment and load distribution during high-torque operations. The SKU 4699.105.116 is specifically designed to integrate with the main housing assembly, working in concert with the 4699101018: HOUSING and the 4699301051: HOUSING to maintain structural integrity under extreme hydraulic pressures. Without this assembly part, the transmission cannot sustain proper gear engagement, leading to premature wear on adjacent components.
Symptoms of Failure
When the 4699.105.116 assembly part begins to degrade, operators will notice distinct performance issues. Delayed gear engagement is the most common early symptom, where the transmission hesitates before shifting under load. Intermittent transmission shudder during acceleration indicates that the part has lost its dimensional tolerance, causing uneven pressure distribution. Metallic debris in the hydraulic fluid is a critical warning sign, as the hardened surface of the assembly part begins spalling. Finally, erratic clutch pack behavior—where the machine lurches or fails to hold a gear on inclines—points directly to this component needing replacement. These symptoms are frequently searched by technicians looking for “ZF transmission slipping under load” or “construction machinery gear engagement problems.”
Technical Specifications
| Parameter | Specification |
|---|---|
| OEM Part Number | 4699.105.116 |
| Material | Case-hardened alloy steel (20MnCr5 equivalent) |
| Outer Diameter | 145 mm ± 0.05 mm |
| Inner Diameter | 85 mm ± 0.03 mm |
| Thickness | 22.5 mm |
| Weight | 0.85 kg |
| Surface Hardness | 58-62 HRC |
| OEM Reference | ZF 4699.105.116 (Genuine) |
Compatibility
This assembly part is designed for use in ZF’s WG series powershift transmissions commonly found in wheel loaders, graders, and excavators. It is directly compatible with the ZF WG180, ZF WG200, and ZF WG210 transmission models. The part also fits select variants of the ZF 4WG-200 and ZF 6WG-250 series used in medium-to-large construction machinery. Always verify the transmission serial number before installation, as minor revisions in later production runs may require updated companion parts such as the 4699301054: HOUSING COVER or the 4699301055: COVER to ensure proper sealing and alignment.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4699101018 | HOUSING | Main structural carrier for gear assembly |
| 4699301051 | HOUSING | Secondary housing for clutch pack support |
| 4699301054 | HOUSING COVER | Seals the housing and retains lubrication |
| 4699301055 | COVER | Protects internal components from contamination |
| 4699301014 | THREAD PROTECTIVE SHIELD | Prevents thread damage during assembly |
| 0634303996 | O-RING | Hydraulic seal between mating surfaces |
| 0734307408 | PROTECTION CAP | Covers exposed ports during transport |
| 0634319161 | SHAFT SEAL | Prevents fluid leakage along rotating shafts |
| 0630502032 | RETAINING RING | Secures bearings and gears axially |
| 0637885612 | BREATHER | Equalizes internal pressure and vents moisture |
