Overview
The ZF 4699.801.152 GK10LD is a genuine OEM gearbox assembly component engineered for heavy-duty construction machinery. This part functions as the primary drive unit within the transmission system, transferring torque from the engine to the final drive. Specifically, it sits between the input shaft and the turntable bearing, ensuring smooth power delivery in excavators, cranes, and earthmoving equipment. The SKU 4699.801.152 is a direct replacement for the original factory-installed unit, guaranteeing precise fitment and performance. When paired with the 4699101108 HOUSING and the 0501329881 HOUSING COVER, this assembly forms the core of the ZF drivetrain.
Symptoms of Failure
- Oil leaks around the housing seal: When the GK10LD wears, hydraulic fluid can seep past the 0634306309 O-RING, leading to visible drips under the machine. This is a common long-tail search query for “ZF transmission oil leak repair.”
- Gear slipping under load: A failing unit causes intermittent power loss during digging or lifting operations, often accompanied by a grinding noise. Operators searching for “construction machinery gear slipping fix” will find this symptom relevant.
- Excessive vibration in the driveline: Worn internal components create noticeable shaking, especially when the machine is under heavy load. This can be traced to a damaged 0630513065 SNAP RING that fails to secure the gear stack.
- Reduced hydraulic pressure: A degraded unit can cause sluggish response times in the turntable or travel motors, a symptom often searched as “ZF transmission pressure loss.”
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 4699.801.152 |
| Material | Case-hardened steel with aluminum housing |
| Weight | 12.4 kg (27.3 lbs) |
| Dimensions (L x W x H) | 320 mm x 220 mm x 180 mm |
| OEM Reference | ZF GK10LD |
| Torque Capacity | 1,200 Nm |
| Seal Type | Double-lip with integrated O-ring |
Compatibility
This genuine ZF part is designed for use in the WG180, WG200, and WG210 transmission series, commonly found in construction machinery from brands like Liebherr, Caterpillar, and Komatsu. It is also compatible with the GK10LD gearbox variant used in mid-size excavators and wheel loaders. For proper installation, ensure the 4699102172 INPUT and 4699103057 OUTPUT components are in good condition. The 4699105091 TURNTABLE BEARING must also be inspected for wear when replacing this unit.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4699101108 | HOUSING | Encloses the gear assembly |
| 0501329881 | HOUSING COVER | Seals the housing top |
| 0630513065 | SNAP RING | Secures gears on shaft |
| 0634306309 | O-RING | Prevents fluid leaks |
| 0637885612 | BREATHER | Equalizes internal pressure |
| 0769100082 | TYPE PLATE | Identifies transmission model |
| 4699001152 | GK10LD | Complete gearbox assembly |
| 4699102172 | INPUT | Receives engine torque |
| 4699103057 | OUTPUT | Delivers power to final drive |
| 4699105091 | TURNTABLE BEARING | Supports rotating superstructure |
