Overview
The ZF 4699.801.192 GK10 is a precision-engineered gear set assembly designed for heavy-duty construction machinery transmissions. This OEM genuine part functions as a primary reduction stage within the transmission housing, converting high-speed input torque into usable power for final drives. The SKU 4699.801.192 is critical for maintaining proper gear mesh alignment and load distribution in ZF drivelines. When installed alongside the 4699001107: GK10 companion set, this component ensures synchronized power flow through the entire gear train.
Symptoms of Failure
- Whining or grinding noise during gear engagement – Worn teeth on the 4699.801.192 produce a high-pitched metallic sound, especially under load in construction equipment.
- Intermittent gear slippage under heavy torque – Degraded gear profiles cause momentary loss of drive, often mistaken for clutch issues.
- Metallic debris in transmission fluid – Flaking or pitting on the gear surface contaminates the oil, visible during routine drain intervals.
- Vibration through the chassis during acceleration – Uneven wear patterns create harmonic oscillations that transmit through the 4699101095: HOUSING assembly.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 4699.801.192 |
| Type | GK10 Gear Set |
| Outer Diameter | 185 mm (estimated) |
| Tooth Count | 32 (drive) / 48 (driven) |
| Material | Case-hardened alloy steel (20MnCr5) |
| Weight | 4.2 kg (9.3 lbs) |
| OEM Reference | ZF 4699.801.192 |
| Heat Treatment | Carburized & tempered |
Compatibility
This GK10 gear set is engineered for ZF WG180, WG200, and WG210 series transmissions commonly found in wheel loaders, excavators, and telescopic handlers. It also fits select ZF 4WG-200 and 6WG-200 variants used in construction machinery. The 4699.801.192 interfaces directly with the 4699102083: INPUT shaft and the 4699103067: OUTPUT flange. For complete assembly, verify housing compatibility using the 4699101095: HOUSING reference.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4699001107 | GK10 | Companion gear set for torque distribution |
| 4699101095 | HOUSING | Encloses and supports gear assembly |
| 4699102083 | INPUT | Transfers engine power to gear train |
| 4699103067 | OUTPUT | Delivers reduced speed to final drive |
| 4699105042 | TURNTABLE BEARING | Rotary support for swing gear |
| 0501329881 | HOUSING COVER | Seals transmission housing |
| 0634306309 | O-RING | Prevents fluid leakage at joints |
| 0637885612 | BREATHER | Equalizes internal pressure |
| 0769100082 | TYPE PLATE | Identification and serial number tag |
| 4699302013 | DRIVE PINION | Initial gear reduction from motor |
