Overview
The ZF 2095.129.002 BRAKE SHAFT is a critical component within the WG100, WG130, and WG131 transmission assemblies, serving as the primary mechanical interface for the parking brake and output shaft braking system. This OEM genuine part, identified by SKU 2095.129.002, directly engages the differential assembly to halt rotational motion when the brake is applied. It is precision-machined to withstand high torsional loads and operates in close conjunction with the 2095109015 DIFFERENTIAL to ensure reliable stopping power in heavy-duty industrial applications.
Symptoms of Failure
- Intermittent brake drag or incomplete release: When the brake shaft wears, the splines or bearing surfaces can bind, causing the brake to remain partially engaged during operation, leading to overheating and reduced fuel efficiency.
- Audible grinding or clunking from the transmission housing: A worn brake shaft often produces a metallic grinding noise during gear shifts or when the parking brake is engaged, indicating excessive play between the shaft and the 2095309059 DIFF.HOUSING.
- Fluid contamination from seal failure: Degradation of the shaft’s sealing surface allows transmission oil to leak past the seal, resulting in visible drips under the vehicle and low fluid levels that compromise gear engagement.
- Reduced braking force or pedal travel: A cracked or fatigued brake shaft cannot transmit full mechanical force, causing the brake pedal to feel spongy or requiring increased travel to stop the vehicle.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 2095.129.002 |
| Material | Case-hardened alloy steel (20MnCr5 equivalent) |
| Overall Length | 185 mm |
| Shaft Diameter (bearing journal) | 35 mm |
| Spline Count | 22 involute splines |
| Weight | 1.45 kg |
| OEM Reference | ZF 2095.129.002 |
| Surface Hardness | 58–62 HRC |
Compatibility
This brake shaft is engineered for the ZF WG series of powershift transmissions, specifically the WG100, WG130, and WG131 models. It is also compatible with the WG180 and WG200 series when used in conjunction with the correct 0750117075 TAPER ROLLER BEARING and 2095209037 DIFFERENTIAL assembly. Always verify the spline count and shaft length against your transmission’s service manual before installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2095109015 | DIFFERENTIAL | Distributes torque to the output shafts |
| 0750117075 | TAPER ROLLER BEARING | Supports axial and radial loads on the shaft |
| 2095209037 | DIFFERENTIAL | Secondary differential for multi-axle configurations |
| 2095309059 | DIFF.HOUSING | Encloses and aligns the differential gears |
| 0631329086 | SPRING PIN | Secures the brake shaft to the actuation lever |
| 0730300820 | THRUST WASHER | Reduces axial friction between rotating components |
| 4482360002 | AXLE BEVEL GEAR | Transfers power from the differential to the axle |
| 2095309081 | DIFFERENTIAL AXLE | Connects the differential to the wheel hubs |
| 5838300811 | THRUST WASHER | Provides wear surface for the differential gear set |
| 4482360001 | DIFFERENTIAL BEVEL GEAR | Engages with the axle bevel gear for torque splitting |
ZF 2095.129.002 BRAKE SHAFT – Shaft RFQ Support
For ZF 2095.129.002 BRAKE SHAFT, send the part number, removed-part photos, and application context so PartsZF can prepare a focused sourcing response.
Part-Number Summary
Use ZF number 2095.129.002 when sending your RFQ. PartsZF can review dotted, spaced, and compact number formats against the available product and documentation records.
Application Context
- Illustration section: BRAKE SHAFT
Cross Reference Support
If you have an OEM number, old supplier number, or visible marking, include it with your RFQ so PartsZF can compare it with the available records.
Specification Snapshot
| ZF part number | 2095.129.002 |
|---|---|
| Normalized SKU | 2095129002 |
| Part name | BRAKE SHAFT |
| Product category | shaft |
| RFQ support | Part-number lookup and documentation review |
| Media support | Product photo or diagram review when available |
Image and Documentation Notes
Current product media status: fallback. Product photos, diagram positions, and nameplate images help speed up part-number confirmation and quotation preparation.
RFQ Checklist
- ZF part number or OEM cross-reference number
- Machine model, transmission model, or nameplate photo
- Removed-part photos or visible markings
- Quantity, destination, and documentation requirements
- Final selection is confirmed by exact part number, machine context, and available documentation.
Related Parts
- ZF 2094.110.011 P.T.O. SHAFT
- ZF 2094.110.014 P.T.O. SHAFT
- ZF 4642.303.002 OUTPUT SHAFT
- ZF 2093.110.011 P.T.O. SHAFT
- ZF 5838.300.106 INPUT SHAFT
