Overview
The ZF 4699.171.014 WHEEL is a critical OEM genuine component engineered for the final drive assembly of heavy-duty construction machinery transmissions. This part functions as the primary rotational interface between the planetary gear set and the axle housing, transmitting torque while maintaining precise axial alignment. As a genuine ZF part, SKU 4699.171.014 ensures factory-specified tolerances for load distribution and thermal expansion. It is typically mounted within the transmission output section, directly interfacing with the 4699101043 HOUSING to create a sealed, lubricated chamber. The wheel’s hardened steel construction resists deformation under extreme stress, making it indispensable for maintaining drivetrain integrity in excavators, loaders, and graders.
Symptoms of Failure
- Transmission output shaft oil leaks — When the 4699.171.014 wheel wears at its sealing surface, hydraulic fluid escapes past the shaft seal, leaving visible puddles under parked equipment.
- Intermittent gear slipping under load — A worn wheel can cause misalignment between the planetary carrier and the 4699301106 HOUSING, leading to momentary torque loss during digging or lifting operations.
- Abnormal metallic grinding noises — Degraded wheel splines or bearing surfaces produce a distinct high-pitched whine or grinding sound, especially during low-speed maneuvers.
- Vibration in the driveline at highway speeds — Excessive radial play from a fatigued wheel creates harmonic vibrations that can be felt through the chassis and steering controls.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 4699.171.014 |
| Material | Case-hardened alloy steel (20MnCr5 equivalent) |
| Outer Diameter | 185 mm (7.28 in) |
| Inner Bore Diameter | 65 mm (2.56 in) |
| Overall Width | 42 mm (1.65 in) |
| Weight | 2.8 kg (6.17 lbs) |
| OEM Reference | ZF 4699.171.014 |
| Surface Finish | Ground and polished sealing surface |
Compatibility
This wheel is designed for ZF WG series transmissions commonly used in construction machinery. Based on its spline configuration and housing interface, the 4699.171.014 is compatible with the following models: WG180, WG200, WG210, and WG250. It also fits select ZF Ecomat 5HP and 6HP variants used in wheel loaders and dump trucks. For proper installation, always pair this wheel with the 4699301015 HOUSING COVER and the 4699301085 COVER to ensure correct preload and sealing. Verify your transmission serial number against ZF’s application guide before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4699101043 | HOUSING | Encloses the wheel and planetary gear assembly |
| 4699301106 | HOUSING | Secondary housing for output shaft support |
| 4699301015 | HOUSING COVER | Seals the wheel cavity and retains lubricant |
| 4699301085 | COVER | Protects the wheel from external debris |
| 4699301014 | THREAD PROTECTIVE SHIELD | Prevents thread damage during assembly |
| 0634303980 | O-RING | Static seal between housing and cover |
| 0734307407 | PROTECTION CAP | Covers exposed splines during transport |
| 0634309600 | SHAFT SEAL | Dynamic seal against the wheel’s outer diameter |
| 0630502032 | RETAINING RING | Axial retention of the wheel on the shaft |
| 0637885612 | BREATHER | Equalizes pressure inside the transmission housing |
