Overview
The ZF 2095.114.019 CRAWLER is a critical OEM genuine component engineered for the final drive assembly of heavy-duty construction machinery. This part functions as a crawler drive sprocket hub, transmitting torque from the transmission output to the track chain. It sits directly on the axle shaft within the planetary gear set, ensuring precise rotational alignment and load distribution. The SKU 2095.114.019 is manufactured to ZF’s exacting tolerances, using induction-hardened steel to withstand extreme axial and radial forces in excavators and dozers. When paired with a matching 2095109015: DIFFERENTIAL, this crawler component forms the backbone of the undercarriage drive system.
Symptoms of Failure
- Excessive track chain wear or “sprocket tooth hooking”: A worn 2095.114.019 causes uneven pitch engagement, leading to accelerated chain elongation and visible tooth deformation.
- Intermittent track slippage under load: When the crawler hub loses its interference fit, the sprocket can rotate independently, causing sudden loss of traction during grading or digging operations.
- Metallic grinding noise from the final drive: A failing part produces a low-frequency rumble that intensifies during turns, indicating bearing seat wear or spline fretting.
- Hydraulic oil contamination with metallic particles: Cracks in the crawler hub allow debris to migrate into the gearbox, often detected during routine oil analysis.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 2095.114.019 |
| Material | Induction-hardened 42CrMo4 steel |
| Weight | 8.7 kg (19.2 lbs) |
| Outer Diameter | 210 mm |
| Inner Spline Diameter | 85 mm |
| Overall Length | 145 mm |
| OEM Reference | ZF 2095.114.019 |
| Hardness Rating | HRC 52-56 |
Compatibility
This OEM genuine crawler is designed for ZF’s WG180, WG200, and WG250 series power shift transmissions commonly found in 20-40 ton crawler excavators and dozers. It directly replaces the earlier 2095.114.017 variant and is compatible with final drives using a 14-tooth spline interface. For complete driveline restoration, always inspect the mating 0750117075: TAPER ROLLER BEARING and the 2095209037: DIFFERENTIAL for wear. The 2095309059: DIFF.HOUSING should also be checked for cracks when replacing this crawler.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2095109015 | DIFFERENTIAL | Distributes torque between left and right track drives |
| 0750117075 | TAPER ROLLER BEARING | Supports axial and radial loads on the crawler shaft |
| 2095209037 | DIFFERENTIAL | Secondary differential for planetary gear reduction |
| 2095309059 | DIFF.HOUSING | Encloses differential gears and retains lubricant |
| 0631329086 | SPRING PIN | Secures the crawler hub to the axle shaft |
| 0730300820 | THRUST WASHER | Controls end-play in the differential assembly |
| 4482360002 | AXLE BEVEL GEAR | Transfers power from the pinion to the differential |
| 2095309081 | DIFFERENTIAL AXLE | Carries the differential side gears |
| 5838300811 | THRUST WASHER | Reduces friction between bevel gears and housing |
| 4482360001 | DIFFERENTIAL BEVEL GEAR | Provides final gear reduction in the differential |
