Overview
The ZF 0636.610.093 STUD is a precision-engineered fastening component specifically designed for the WG 201 series transmission. This OEM genuine part serves as a critical locating and securing element within the planetary gear assembly, ensuring precise alignment of internal components under high torque loads. The SKU 0636.610.093 is manufactured to ZF’s exacting tolerances, providing a reliable interface between the transmission housing and adjacent gear sets. When installed correctly, this stud maintains the structural integrity of the drivetrain, preventing axial movement that could compromise gear mesh patterns. It is often replaced in conjunction with the 2095109019: DIFFERENTIAL during major overhauls to restore factory-spec performance.
Symptoms of Failure
- Transmission housing oil seepage: A worn or fractured 0636.610.093 stud can create micro-gaps at the mounting interface, leading to gradual ATF fluid loss around the WG201 casing.
- Abnormal gear whine under load: When the stud loses its clamping force, the 0750117075: TAPER ROLLER BEARING may experience misalignment, producing a distinct high-pitched noise during acceleration.
- Intermittent driveline vibration: A loose stud allows the 2095209037: DIFFERENTIAL assembly to shift slightly, causing harmonic vibrations that worsen at specific RPM ranges.
- Premature wear on adjacent gears: Failure to replace a damaged stud can lead to uneven load distribution, accelerating wear on the 2095309059: DIFF.HOUSING and its mating components.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 0636.610.093 |
| Material | Alloy Steel (40Cr / 42CrMo4 equivalent) |
| Thread Size | M12 x 1.5 (estimated) |
| Overall Length | 48 mm (estimated) |
| Weight | 0.085 kg |
| Surface Treatment | Zinc-Nickel Plating (corrosion resistant) |
| OEM Reference | ZF 0636.610.093 |
| Hardness | HRC 28-32 |
Compatibility
This genuine ZF stud is primarily designed for the WG 201 series transmission family. Based on its engineering specifications, it is compatible with the following ZF models: WG180, WG200, WG201, WG210, and WG220. The 0636.610.093 part is also used in select off-highway and industrial drivelines where the WG201 planetary gearset is employed. For applications involving the 2095309059: DIFF.HOUSING, verify the thread pitch matches your specific housing bore depth before installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2095109019 | DIFFERENTIAL | Distributes torque between output shafts |
| 0750117075 | TAPER ROLLER BEARING | Supports radial and axial loads on shafts |
| 2095209037 | DIFFERENTIAL | Secondary torque distribution unit |
| 2095309059 | DIFF.HOUSING | Encloses differential gear set |
| 0631329086 | SPRING PIN | Secures shift fork or actuator linkage |
| 0730300820 | THRUST WASHER | Reduces axial friction between rotating parts |
| 4482360002 | AXLE BEVEL GEAR | Transfers power to axle shafts |
| 2095309081 | DIFFERENTIAL AXLE | Carries differential side gears |
| 5838300811 | THRUST WASHER | Controls end-play in planetary carrier |
| 4482360001 | DIFFERENTIAL BEVEL GEAR | Engages with pinion gears for speed differentiation |
