Overview
The ZF 0636.015.114 HEXAGON SCREW is a critical fastening component engineered specifically for the WG 65 series transmission. This OEM genuine part secures the main housing assembly, ensuring precise alignment of internal gear sets and hydraulic circuits. The SKU 0636.015.114 is designed to withstand high torque loads and thermal cycling common in heavy-duty industrial applications. When installed alongside the 4108101171: HOUSING, this hexagon screw maintains structural integrity under extreme operating pressures.
Symptoms of Failure
- Transmission oil seepage at bolt points: Worn or stripped hexagon screws allow pressurized fluid to escape, creating visible wet spots around the housing perimeter.
- Abnormal gear rattle during load shifts: Loose fasteners cause micro-movement in the housing, leading to misaligned shafts and audible metallic chatter.
- Progressive vibration at 1500-2000 RPM: A failing 0636.015.114 screw reduces clamping force, allowing harmonic resonance that accelerates bearing wear.
- Fluid contamination from housing cracks: Over-torqued or fatigued screws induce stress fractures in the 0501215601: OIL LEVEL GAGE mounting boss, requiring immediate replacement.
Technical Specifications
| Parameter | Value |
|---|---|
| Thread Size | M10 x 1.5 |
| Head Type | Hexagon (SW 17mm) |
| Material | Alloy Steel 42CrMo4 + QT |
| Tensile Strength | ≥ 1000 N/mm² |
| Weight | 0.042 kg |
| OEM Reference | 0636.015.114 |
| Surface Treatment | Zinc-Nickel Plating (DIN EN ISO 4042) |
Compatibility
This hexagon screw is a direct fit for the ZF WG 65 series transmission family. Based on thread pattern and load ratings, it also applies to WG180, WG200, and WG250 models using the same housing architecture. Always verify with the 0730365280: TYPE PLATE for exact revision compatibility. For proper sealing, pair this screw with the 0501325470: SEALING RING to prevent fluid bypass.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4108101171 | HOUSING | Main structural enclosure for gear train |
| 0501215601 | OIL LEVEL GAGE | Fluid level monitoring assembly |
| 0501325470 | SEALING RING | Compression seal for bolt interfaces |
| 0730365280 | TYPE PLATE | Identification plate with serial number |
| 4108301468 | INPUT SHAFT | Primary power input component |
| 0735330931 | BALL BEARING | Radial load support for rotating shafts |
| 0630532160 | RETAINING RING | Axial retention for bearing assembly |
| 0630531130 | RETAINING RING | Secondary axial lock for shaft |
| 4475280018 | SCREW PLUG | Hydraulic port sealing plug |
| 0634304358 | O-RING | Static seal for plug interfaces |
Frequently Asked Questions
Q: Can I reuse the 0636.015.114 hexagon screw after disassembly?
A: ZF recommends single-use installation due to thread deformation at specified torque. Always replace with a new screw and a fresh 0501325470: SEALING RING to guarantee leak-free operation.
Q: What torque specification applies to this screw?
A: Tighten to 45 N·m ± 3 N·m using a calibrated torque wrench. Apply thread locker (Loctite 243) to the first three threads. Over-torquing risks cracking the 4108101171: HOUSING.
Q: How does this screw differ from standard M10 bolts?
A: The 0636.015.114 features a reduced shank diameter (8.5mm) for controlled elongation under load, plus a 12.9-grade hardness rating. Standard bolts lack the fatigue resistance required for WG65 transmission cycles.
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Phone: +86 158 2286 3467 |
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