Overview
The ZF 5838.109.017 DIFFERENTIAL is a critical torque-distributing component within the final drive assembly of heavy-duty construction machinery transmissions. This OEM genuine part ensures that power from the driveshaft is split evenly between the left and right axle shafts, allowing wheels to rotate at different speeds during cornering while maintaining maximum traction on uneven terrain. The SKU 5838.109.017 sits directly inside the differential housing, meshing with the ring gear and axle bevel gears to manage rotational forces under extreme load conditions. Precision engineering in this differential prevents driveline binding and reduces tire wear in wheel loaders, graders, and dump trucks operating in demanding environments.
Symptoms of Failure
- Grinding or chattering noise during turns: Worn internal gears in the 5838.109.017 cause harsh metallic sounds when the vehicle corners, indicating insufficient lubrication or gear tooth damage.
- Oil leaks from the differential housing: Failed seals or a cracked housing allow gear oil to escape, leading to low fluid levels and accelerated wear on the DIFF.HOUSING and internal components.
- Uneven tire wear or wheel hop: A failing differential cannot properly distribute torque, causing one wheel to spin faster than the other under load, which results in premature tire degradation and vibration.
- Difficulty maintaining straight-line traction: Slipping or binding in the differential assembly reduces machine stability on slopes or loose surfaces, often requiring immediate replacement of the DIFFERENTIAL unit.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 5838.109.017 |
| Material | Case-hardened alloy steel (20MnCr5) |
| Weight | 18.7 kg (41.2 lbs) |
| Outer Diameter | 245 mm |
| Internal Spline Count | 32 teeth |
| OEM Reference | ZF 5838.109.017 |
| Operating Torque Range | 1,200–2,400 Nm |
| Compatible Bearing | TAPER ROLLER BEARING (0750117075) |
Compatibility
This differential is engineered for ZF WG180, WG200, and WG250 transmission series commonly found in construction machinery such as wheel loaders, backhoe loaders, and telehandlers. It also fits select models of ZF 4WG-200 and 6WG-200 powertrains used in heavy graders and compactors. The 5838.109.017 interfaces directly with the DIFF.HOUSING and requires a SPRING PIN for secure alignment during installation. Always verify your transmission serial number before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 0750117075 | TAPER ROLLER BEARING | Supports differential shaft rotation under axial loads |
| 2095209037 | DIFFERENTIAL | Complete assembly for torque distribution |
| 2095309059 | DIFF.HOUSING | Encloses and protects differential gears |
| 0631329086 | SPRING PIN | Secures differential components to housing |
| 0730300820 | THRUST WASHER | Reduces axial friction between gears |
| 4482360002 | AXLE BEVEL GEAR | Transfers torque to axle shafts |
| 2095309081 | DIFFERENTIAL AXLE | Connects differential to wheel hubs |
| 5838300811 | THRUST WASHER | Prevents gear end-play in differential |
| 4482360001 | DIFFERENTIAL BEVEL GEAR | Primary gear meshing with ring gear |
| 2095309061 | SLEEVE | Spacer for differential bearing preload |
