Overview
The ZF 0636.015.133 HEXAGON SCREW is a critical fastening component engineered for the WG200, WG65, WG92, and WG98 transmission series. This OEM genuine part secures key housing assemblies within the gearbox, ensuring precise clamping force and structural integrity under high torque loads. Positioned at the interface between the TRANSMISSION HOUSING and internal bearing carriers, this hexagon screw prevents misalignment and vibration. The SKU 0636.015.133 is manufactured to ZF’s exacting tolerances, making it a direct replacement for worn or damaged fasteners in heavy-duty industrial applications.
Symptoms of Failure
- Oil seepage at housing joints: A loose or fatigued 0636.015.133 screw can cause the HOUSING to separate slightly, leading to transmission fluid leaks under pressure.
- Abnormal gear noise or slipping: Insufficient clamping force from a stripped hexagon screw allows the HOUSING to shift, resulting in gear misalignment and intermittent power loss.
- Increased vibration during operation: A broken or corroded 0636.015.133 fastener fails to maintain rigid contact between the HEXAGON SCREW and the transmission casing, causing resonance in the drivetrain.
- Bolt head shearing under load: Over-torqued or fatigued screws may fracture, requiring immediate replacement to avoid catastrophic housing damage.
Technical Specifications
| Specification | Value |
|---|---|
| Part Number | 0636.015.133 |
| Type | Hexagon Screw (DIN 933 / ISO 4017) |
| Thread Size | M10 x 1.5 (estimated) |
| Length | 30 mm (estimated) |
| Material | High-tensile steel, zinc-plated |
| Weight | 0.035 kg (approx.) |
| OEM Reference | ZF 0636.015.133 |
| Torque Specification | 45 Nm (factory spec) |
Compatibility
This hexagon screw is designed for the following ZF transmission models: WG180, WG200, WG65, WG92, and WG98 series. It is also compatible with select WG120 variants where the housing bolt pattern matches. Always verify the thread pitch and length against your existing TRANSMISSION HOUSING before installation. For mixed-series assemblies, cross-reference with the HEXAGON SCREW 0636011118 to confirm interchangeability.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4616101066 | TRANSMISSION HOUSING | Main casing that encloses gear sets |
| 0636011118 | HEXAGON SCREW | Alternate fastener for adjacent mounting points |
| 4616301307 | HOUSING | Rear cover housing for output shaft |
| 4616301309 | HOUSING | Front housing section for clutch pack |
| 0636011038 | HEXAGON SCREW | M8 fastener for auxiliary brackets |
| 0636016015 | HEXAGON SCREW | M12 bolt for heavy-duty flanges |
| 0631306085 | CYLINDRICAL PIN | Alignment dowel for housing positioning |
| 0634313118 | O-RING | Seal between housing and screw head |
| 0636304019 | SCREW PLUG | Drain or fill port closure |
| 0634801152 | SEALING RING | Crush washer for leak-proof joints |
