Overview
The ZF 5838.300.536 DRIVER is a critical OEM genuine component engineered for the power flow path within heavy-duty ZF transmissions used in construction machinery. This part, identified by SKU 5838.300.536, functions as the primary rotational interface that transfers torque from the clutch pack to the output shaft assembly. Positioned directly within the planetary gear set, it ensures precise engagement and disengagement of drive ratios. When this driver wears, the entire transmission’s ability to maintain consistent power delivery under load is compromised. It is often serviced alongside the 5838109007: DIFFERENTIAL to restore full drivetrain integrity.
Symptoms of Failure
- Intermittent gear slipping under heavy load: The driver loses its grip on the clutch hub, causing the transmission to momentarily lose torque when climbing grades or moving earth.
- Metallic grinding noise during shifting: Worn splines on the 5838.300.536 create a harsh, scraping sound as the driver struggles to mesh with the 0750117075: TAPER ROLLER BEARING support surfaces.
- Delayed engagement when shifting from neutral to drive: The driver’s worn engagement teeth cause a noticeable lag of 2-3 seconds before the machine moves.
- Oil contamination from metal debris: As the driver degrades, fine metallic particles circulate through the hydraulic system, accelerating wear on the 2095209019: DIFFERENTIAL and other precision components.
Technical Specifications
| Parameter | Specification |
|---|---|
| OEM Part Number | 5838.300.536 |
| Material | Case-hardened alloy steel (20MnCr5 equivalent) |
| Outer Diameter | 185 mm |
| Inner Spline Diameter | 45 mm |
| Overall Length | 92 mm |
| Weight | 2.85 kg |
| Hardness | 58-62 HRC (surface) |
| Heat Treatment | Carburized and quenched |
| OEM Reference | ZF Friedrichshafen AG genuine |
Compatibility
This driver is engineered for ZF’s heavy-duty powershift transmission series commonly deployed in wheel loaders, graders, and excavators. It is a direct fit for the WG180 and WG200 transmission models, as well as the 4WG200 and 5WG200 variants. The 5838.300.536 also serves as a service replacement in certain 6WG200 configurations where the clutch driver assembly shares the same spline geometry. Always verify the 0631329086: SPRING PIN alignment during installation to ensure correct rotational indexing.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 5838109007 | DIFFERENTIAL | Distributes torque between drive axles |
| 0750117075 | TAPER ROLLER BEARING | Supports axial and radial loads on the driver shaft |
| 2095209019 | DIFFERENTIAL | Secondary differential for planetary output |
| 0631329086 | SPRING PIN | Secures driver alignment to the hub |
| 5838300817 | THRUST WASHER | Reduces axial friction on the driver face |
| 5838300682 | DIFFERENTIAL AXLE | Transmits rotational force from the driver |
| 5838300811 | THRUST WASHER | Controls end-play in the driver assembly |
| 5841302064 | THRUST WASHER | High-load washer for output side |
| 5838300137 | OUTER CLUTCH DISK | Friction surface that engages with the driver |
| 5838300138 | INNER CLUTCH DISK | Steel disk that mates with the driver splines |
