Overview
The ZF 4699.360.121 BEVEL GEAR SHAFT is a critical power transmission component engineered for the WG100, WG130, and WG131 series transmissions. This OEM genuine part transfers rotational force from the input shaft to the differential assembly at a precise angle, enabling smooth torque delivery in heavy-duty industrial drivelines. The SKU 4699.360.121 sits within the front housing assembly, meshing directly with the ring gear to convert longitudinal engine power into lateral axle movement. Precision-ground teeth ensure minimal backlash and quiet operation under extreme loads.
Symptoms of Failure
- Whining or howling noise during acceleration: Worn bevel gear teeth produce a distinct high-pitched sound, often mistaken for differential whine, indicating the 4699.360.121 shaft requires replacement.
- Vibration in the driveline at low speeds: Excessive play in the gear shaft causes rhythmic shaking, especially when turning or under load, signaling advanced wear.
- Metallic debris in transmission fluid: Flaking or chipped gear teeth contaminate the oil, visible during routine drain intervals, directly linked to a failing bevel gear shaft.
- Intermittent gear slippage or loss of drive: Severe tooth wear prevents proper engagement, leading to momentary power loss or clunking during gear changes.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 4699.360.121 |
| Material | Case-hardened alloy steel (20MnCr5 equivalent) |
| Overall Length | 185 mm |
| Shaft Diameter | 35 mm (bearing journals) |
| Gear Module | 4.5 |
| Number of Teeth | 14 (spiral bevel) |
| Weight | 1.8 kg |
| OEM Reference | ZF 4699.360.121 |
| Heat Treatment | Carburized & tempered to HRC 58-62 |
Compatibility
This bevel gear shaft is specifically designed for ZF WG100, WG130, and WG131 transmissions used in agricultural tractors, construction loaders, and industrial material handlers. It also fits select variants of the WG180 and WG200 series where the input bevel set shares identical geometry. Always verify the transmission serial number against the OEM parts catalog before installation. The shaft works in conjunction with the 4699101086 HOUSING and 4699301223 HOUSING to maintain proper gear alignment. Sealing is ensured by the 0636302022 SCREW PLUG and 0501319149 SCREW PLUG which prevent lubricant loss at the shaft exit points.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4699101086 | HOUSING | Encloses the bevel gear set and supports bearing loads |
| 4699301223 | HOUSING | Secondary housing for output shaft alignment |
| 0636302022 | SCREW PLUG | Seals the housing fill/drain port |
| 0501319149 | SCREW PLUG | Magnetic plug for ferrous debris capture |
| 0634801038 | SEALING RING | Prevents oil leakage at housing joints |
| 0730365801 | TYPE PLATE | Identification plate for transmission model |
| 0501323165 | SHAFT SEAL | Dynamic seal at the shaft exit point |
| 4699301222 | COVER | Protects the bevel gear access opening |
| 0634303996 | O-RING | Static seal between housing and cover |
| 0630513060 | SNAP RING | Retains the bearing on the shaft |
ZF 4699.360.121 BEVEL GEAR SHAFT – Shaft RFQ Support
PartsZF supports RFQ preparation for ZF 4699.360.121 BEVEL GEAR SHAFT where shaft identification and documentation review are required before ordering.
Part-Number Summary
Use ZF number 4699.360.121 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 | 4699.360.121 |
|---|---|
| Normalized SKU | 4699360121 |
| Part name | BEVEL GEAR 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
