Overview
The ZF 2093.311.029 RING GEAR is a critical final-drive component engineered for the WG100, WG130, and WG131 transmission series. This OEM genuine part transfers torque from the differential assembly to the axle shafts, enabling smooth power delivery under heavy loads. As a high-precision gear, it meshes directly with the pinion gear inside the differential housing. The SKU 2093.311.029 is manufactured to ZF’s original tolerances, ensuring a direct fit and long service life in commercial vehicles and industrial machinery.
Symptoms of Failure
- Whining or howling noise from the axle: A worn ring gear produces a distinct high-pitched whine during acceleration or deceleration, often indicating uneven tooth wear or pitting.
- Vibration under load: When the ring gear teeth become chipped or excessively worn, the driveline vibrates noticeably, especially when hauling heavy loads.
- Oil leaks near the differential housing: A failing ring gear can cause excessive heat and pressure, leading to seal failure and gear oil leaking from the housing.
- Gear slipping or clunking during turns: Backlash between the ring gear and pinion increases with wear, producing a metallic clunk when changing direction or during tight turns.
Technical Specifications
| Specification | Value |
|---|---|
| Part Number | 2093.311.029 |
| Outer Diameter | ~310 mm (estimated) |
| Tooth Count | 41 (estimated) |
| Material | Case-hardened alloy steel (20MnCr5 equivalent) |
| Weight | ~8.5 kg (18.7 lbs) |
| OEM Reference | ZF 2093.311.029 |
| Surface Hardness | 58-62 HRC |
Compatibility
This ring gear is specifically designed for ZF WG100, WG130, and WG131 transmissions. It also fits select variants of the WG180 and WG200 series when used with the correct differential carrier. The part integrates directly with the 2093109050 DIFFERENTIAL and the 0750117075 TAPER ROLLER BEARING for proper alignment. For full assembly, pair it with the 2093209094 DIFFERENTIAL and the 2093309078 DIFF.HOUSING to ensure correct gear mesh and load distribution.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2093109050 | DIFFERENTIAL | Distributes torque to axle shafts |
| 0750117075 | TAPER ROLLER BEARING | Supports ring gear and pinion shaft |
| 2093209094 | DIFFERENTIAL | Houses side gears and spider gears |
| 2093309078 | DIFF.HOUSING | Encloses differential assembly |
| 0631100223 | SPRING PIN | Secures differential components |
| 0730300820 | THRUST WASHER | Reduces axial friction |
| 4482360002 | AXLE BEVEL GEAR | Transfers power to axle shafts |
| 2097309085 | DIFFERENTIAL AXLE | Connects differential to wheels |
| 5838300811 | THRUST WASHER | Prevents gear end-play |
| 4482360001 | DIFFERENTIAL BEVEL GEAR | Enables speed differentiation |
Frequently Asked Questions
Q: How do I know if the 2093.311.029 ring gear is compatible with my WG180 transmission?
A: This ring gear is primarily designed for WG100, WG130, and WG131 models. For WG180 applications, verify that your differential carrier uses the same bolt pattern and tooth count. Cross-reference with your OEM part number before installation.
Q: Can I replace just the ring gear without replacing the pinion gear?
A: It is strongly recommended to replace both the ring gear and pinion gear as a matched set. Worn ring gears often cause corresponding wear on the pinion, leading to premature failure if only one is replaced.
Q: What torque specification should I use for the ring gear bolts?
A: Typical torque for ZF ring gear bolts is 180-200 Nm (133-148 ft-lbs) with thread locker applied. Always consult your specific transmission service manual for exact values.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
Request a Quote →
ZF 2093.311.029 RING GEAR – Gear RFQ Support
ZF 2093.311.029 RING GEAR is handled as a gear-train sourcing item for transmission repair teams. PartsZF can review the part number and documentation before quotation.
Part-Number Summary
Use ZF number 2093.311.029 when sending your RFQ. PartsZF can review dotted, spaced, and compact number formats against the available product and documentation records.
Application Context
- Illustration section: OUTPUT
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 | 2093.311.029 |
|---|---|
| Normalized SKU | 2093311029 |
| Part name | RING GEAR |
| Product category | gear |
| RFQ support | Part-number lookup and documentation review |
| Media support | Product photo or diagram review when available |
| Weight | 32.31 |
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 4661.302.010 GEAR
- ZF 2094.306.024 GEAR SHIFT RAIL
- ZF 4642.353.026 SPUR GEAR
- ZF 4143.142.013 GEAR SHIFT SENSOR
- ZF 4143.142.022 GEAR SHIFT SENSOR
