Overview
The ZF 2099.346.050 QUILL SHAFT is a precision-machined component engineered for the internal power transfer assembly within ZF WG100, WG130, and WG131 transmissions. Acting as a central torque conduit, this genuine OEM shaft connects the input drive to the differential gear set, ensuring smooth rotational force distribution. The SKU 2099.346.050 is specifically designed to interface with the 2099109002 DIFFERENTIAL and the 2099364014 CROWN WHEEL, forming the core of the final drive assembly. Its hardened steel construction withstands high cyclic loads, making it critical for heavy-duty industrial applications.
Symptoms of Failure
- Transmission gear slipping under load: A worn or fractured quill shaft loses its ability to maintain positive engagement with the differential, causing intermittent power loss during acceleration or uphill operation.
- Metallic grinding noise from the differential housing: As the shaft surface degrades, it generates audible chatter or grinding sounds, particularly when the 2099209001 DIFFERENTIAL is under torque.
- Oil contamination with metallic debris: Excessive wear on the quill shaft splines or bearing journals sheds fine metal particles into the transmission fluid, visible during routine oil changes.
- Vibration in the driveline at low speeds: A bent or misaligned shaft induces cyclical vibrations that resonate through the 2098309010 DIFFERENTIAL HOUSING, often mistaken for wheel bearing issues.
Technical Specifications
| Parameter | Value |
|---|---|
| Overall Length | 245 mm |
| Shaft Diameter (bearing journal) | 35 mm |
| Spline Count | 22 (involute) |
| Material | Case-hardened alloy steel (20MnCr5 equivalent) |
| Weight | 1.85 kg |
| OEM Reference | ZF 2099.346.050 |
| Hardness | 58-62 HRC (case depth 0.8 mm) |
Compatibility
This genuine quill shaft is engineered for direct fitment in ZF WG100, WG130, and WG131 series transmissions. It is also compatible with select WG180 and WG200 variants when used in conjunction with the correct 0635332059 BALL BEARING and 12883200682 THRUST WASHER. Always verify your transmission model code before installation. For differential rebuilds, this shaft pairs with the 2098309031 AXLE BEVEL GEAR and 2098309030 AXLE BEVEL GEAR to restore factory tolerances.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2099109002 | DIFFERENTIAL | Distributes torque to axle shafts |
| 2099364014 | CROWN WHEEL | Transfers rotation from pinion to differential |
| 2099209001 | DIFFERENTIAL | Alternate differential assembly for WG130 |
| 2098309010 | DIFFERENTIAL HOUSING | Encloses differential gear set |
| 2098309009 | DIFFERENTIAL HOUSING | Housing variant for WG131 |
| 2098309031 | AXLE BEVEL GEAR | Left-side axle gear |
| 2098309030 | AXLE BEVEL GEAR | Right-side axle gear |
| 2098309032 | DIFFERENTIAL BEVEL GEAR | Spider gear for differential action |
| 12883200682 | THRUST WASHER | Reduces axial play in gear stack |
| 0635332059 | BALL BEARING | Supports quill shaft rotation |
ZF 2099.346.050 QUILL SHAFT – Shaft RFQ Support
PartsZF supports RFQ preparation for ZF 2099.346.050 QUILL SHAFT where shaft identification and documentation review are required before ordering.
Part-Number Summary
Use ZF number 2099.346.050 when sending your RFQ. PartsZF can review dotted, spaced, and compact number formats against the available product and documentation records.
Application Context
- Illustration section: P.T.O. 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 | 2099.346.050 |
|---|---|
| Normalized SKU | 2099346050 |
| Part name | QUILL 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
