Overview
The ZF 4699.295.085 STEERING GEAR SET is a critical internal component engineered for the WG100, WG130, and WG131 transmission series. This genuine OEM assembly governs the precise hydraulic flow required for directional control and clutch modulation within the gearbox. As the central steering mechanism, it directly interfaces with the main valve body and the 4699101043 HOUSING to regulate pressure distribution. The SKU 4699.295.085 is machined from high-tensile alloy steel to withstand continuous cyclic loads in heavy-duty industrial applications. When this gear set degrades, the entire shift quality of the transmission is compromised, making it a high-priority replacement item for fleet maintenance.
Symptoms of Failure
- Erratic or delayed gear engagement: Worn teeth on the 4699.295.085 cause hesitation when shifting from neutral to drive or reverse, often accompanied by a grinding sensation.
- Hydraulic pressure fluctuations: A failing steering gear set allows internal leakage, leading to inconsistent clutch pack pressure and surging during acceleration.
- Metallic debris in transmission fluid: Spalling or chipping of the gear set introduces ferrous particles into the oil, which can be detected during routine fluid analysis.
- Audible whining or clattering: Excessive backlash between the steering gear and the 0634309600 SHAFT SEAL area produces a distinct high-pitched noise under load.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 4699.295.085 |
| Material | Case-hardened alloy steel (20MnCr5 equivalent) |
| Overall Diameter | 95.0 mm |
| Overall Length | 62.5 mm |
| Tooth Count | 14 spline / 22 spur |
| Weight | 0.87 kg |
| OEM Reference | ZF 4699.295.085 |
| Hardness | 58-62 HRC |
Compatibility
This steering gear set is specifically validated for the ZF WG series powershift transmissions. Primary compatibility includes the WG100, WG130, and WG131 models. It is also mechanically interchangeable with certain variants of the WG180 and WG200 series when used in conjunction with the 4699301106 HOUSING and the 4699301015 HOUSING COVER. Always verify the housing bore dimensions before installation. The 4699.295.085 is not compatible with the older WG80 or WG90 series without a full 4699301085 COVER retrofit kit.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4699101043 | HOUSING | Encloses the steering gear set and directs oil flow |
| 4699301106 | HOUSING | Secondary housing for valve body integration |
| 4699301015 | HOUSING COVER | Seals the upper chamber of the steering assembly |
| 4699301085 | COVER | Protects the gear set from external contaminants |
| 4699301014 | THREAD PROTECTIVE SHIELD | Prevents thread damage during installation |
| 0634303980 | O-RING | Static seal between housing and cover |
| 0734307407 | PROTECTION CAP | Covers exposed splines during transport |
| 0634309600 | SHAFT SEAL | Dynamic seal preventing oil egress along the shaft |
| 0630502032 | RETAINING RING | Axial retention of the gear set on the shaft |
| 0637885612 | BREATHER | Equalizes internal pressure in the housing |
ZF 4699.295.085 STEERING GEAR SET – Gear RFQ Support
ZF 4699.295.085 STEERING GEAR SET 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 4699.295.085 when sending your RFQ. PartsZF can review dotted, spaced, and compact number formats against the available product and documentation records.
Application Context
- Illustration section: KIT STEERING GEAR SET
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 | 4699.295.085 |
|---|---|
| Normalized SKU | 4699295085 |
| Part name | STEERING GEAR SET |
| Product category | gear |
| 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.
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