Overview
The ZF 2097.229.011 BRAKE SHAFT is a critical component within the WG100, WG130, and WG131 transmission assemblies. This OEM genuine part functions as the primary actuation shaft for the parking brake and output brake systems, transferring mechanical force from the brake lever to the brake band or disc inside the transmission housing. As a precision-machined shaft, it ensures reliable braking engagement and disengagement during vehicle operation. The SKU 2097.229.011 is engineered to ZF’s exacting tolerances, providing consistent performance in heavy-duty industrial applications. This brake shaft sits directly in the transmission’s rear housing section, interfacing with the DIFFERENTIAL HOUSING and adjacent gear assemblies.
Symptoms of Failure
- Brake drag or incomplete release: A worn 2097.229.011 shaft can cause the brake to remain partially engaged, leading to overheating and reduced fuel efficiency. This is often noticed as a persistent “brake dragging” sensation during driving.
- Oil seepage from the brake shaft seal area: When the shaft surface becomes scored or pitted, transmission fluid can leak past the seal. Look for wet spots around the brake housing or drips under the vehicle.
- Intermittent brake slippage under load: A damaged brake shaft may fail to hold the brake band securely, causing the vehicle to creep or roll on inclines. This symptom is especially dangerous in loader or forklift applications.
- Unusual grinding or clicking noises during brake application: Worn splines or a bent shaft produce metallic sounds when the brake is applied, indicating imminent failure of the shaft or associated TAPER ROLLER BEARING.
Technical Specifications
| Specification | Value |
|---|---|
| Part Number | 2097.229.011 |
| Material | Case-hardened alloy steel (20MnCr5 equivalent) |
| Overall Length | 185 mm (estimated) |
| Shaft Diameter | 28 mm (bearing journal) |
| Spline Count | 14-tooth involute spline |
| Weight | 0.85 kg (1.87 lbs) |
| OEM Reference | ZF 2097.229.011 |
| Surface Treatment | Phosphate coating for corrosion resistance |
Compatibility
This brake shaft is specifically designed for ZF WG-series powershift transmissions. Primary compatibility includes the WG100, WG130, and WG131 models commonly found in agricultural tractors, construction loaders, and industrial forklifts. It may also be used in select WG180 and WG200 variants where the brake shaft dimensions match. The part integrates with the DIFFERENTIAL (2093109018) and DIFFERENTIAL (2093209023) assemblies within the same housing. Always verify your transmission serial number before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2093109018 | DIFFERENTIAL | Distributes torque to drive axles |
| 0750117075 | TAPER ROLLER BEARING | Supports shaft radial and axial loads |
| 2093209023 | DIFFERENTIAL | Secondary differential for planetary gears |
| 5838300626 | DIFFERENTIAL HOUSING | Encloses differential gear set |
| 0631329088 | SPRING PIN | Secures brake shaft to actuation lever |
| 5838300811 | THRUST WASHER | Reduces axial friction on shaft |
| 5838300721 | AXLE BEVEL GEAR | Transfers power to axle shafts |
| 5838300633 | AXLE | Drives wheel hubs |
| 5838300753 | THRUST WASHER | Controls differential gear end-play |
| 5838300818 | THRUST WASHER | Adjusts brake shaft axial clearance |
Frequently Asked Questions
Q: Can I replace the brake shaft without removing the entire transmission?
Yes, in most WG100/WG130 applications, the 2097.229.011 shaft can be accessed by removing the brake housing cover and the DIFFERENTIAL HOUSING. However, you must support the transmission output shaft to avoid damaging seals.
Q: How do I know if my brake shaft is worn versus the brake band?
If you measure excessive axial play (over 0.5 mm) at the shaft end, the shaft or its TAPER ROLLER BEARING is likely worn. Brake band wear typically shows as reduced braking force without shaft movement issues.
Q: Is the 2097.229.011 shaft interchangeable with the 2097.229.012 variant?
No. The .011 shaft has a different spline length and seal groove position. Always match the exact SKU to avoid improper brake actuation.
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Phone: +86 158 2286 3467 |
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ZF 2097.229.011 BRAKE SHAFT – Shaft RFQ Support
PartsZF helps B2B buyers source ZF 2097.229.011 BRAKE SHAFT with fast RFQ support, expert part-number lookup, documentation review, and export coordination. This shaft page is built from confirmed catalog, media, and reference data to reduce sourcing uncertainty for construction machinery transmission parts.
Part-Number Summary
Use ZF number 2097.229.011 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 | 2097.229.011 |
|---|---|
| Normalized SKU | 2097229011 |
| Part name | BRAKE SHAFT |
| Product category | shaft |
| Cross-reference support | Available for RFQ review |
| Weight | 6.032 |
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.
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