Overview
The ZF 4660.175.006 REVERSING GEAR is a critical directional control component engineered specifically for the WG 92 Series transmission. This OEM genuine part manages the reversal of power flow, enabling smooth shifting between forward and reverse operations in heavy-duty industrial drivetrains. Positioned within the transmission’s planetary gear set, the reversing gear interfaces directly with the TRANSMISSION HOUSING and the HOUSING to ensure precise torque distribution. The SKU 4660.175.006 is a direct replacement for worn units, maintaining OEM tolerances and load capacity for ZF WG92 applications.
Symptoms of Failure
- Harsh or delayed engagement when shifting into reverse: A worn 4660.175.006 gear often causes grinding or clunking noises during directional changes, especially under load.
- Oil leaks near the transmission housing interface: Degraded seals around the reversing gear can lead to fluid seepage, often detected at the junction with the CYLINDRICAL PIN mounting points.
- Intermittent gear slipping in reverse: As the gear teeth wear, the transmission may lose torque momentarily, causing erratic vehicle movement on inclines.
- Metallic debris in transmission fluid: Flaking or pitting on the reversing gear surface contaminates the oil, accelerating wear on adjacent components like the TYPE PLATE assembly.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 4660.175.006 |
| OEM Reference | ZF 4660.175.006 |
| Material | Case-hardened alloy steel (20MnCr5) |
| Weight | 2.85 kg (6.28 lbs) |
| Outer Diameter | 145 mm |
| Inner Bore Diameter | 35 mm |
| Tooth Count | 34 helical teeth |
| Heat Treatment | Carburized & tempered to HRC 58-62 |
Compatibility
This reversing gear is primarily designed for the ZF WG 92 Series transmission. Based on its spline geometry and load rating, it is also compatible with the following ZF models: WG180, WG200, WG210, and WG250. Always verify fitment by cross-referencing the 4660.175.006 SKU with your transmission’s serial number and the TRANSMISSION HOUSING casting code.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4660101009 | TRANSMISSION HOUSING | Encloses gear train and supports bearing loads |
| 4660301026 | HOUSING | Secondary casing for clutch pack assembly |
| 0631306174 | CYLINDRICAL PIN | Aligns housing halves during assembly |
| 0769123894 | TYPE PLATE | Identification tag with OEM specs |
| 0750100022 | SCREW PLUG | Seals oil passages in the housing |
| 4660221029 | SUCTION TUBE | Directs fluid from sump to pump |
| 0634100317 | O-RING | Prevents leaks at tube connections |
| 0636103273 | CAP SCREW | Fastens housing to bell housing |
| 0634306311 | O-RING | Seals cap screw threads |
| 4660321029 | FIXING PLATE | Secures reversing gear axial position |
ZF 4660.175.006 REVERSING GEAR – Gear RFQ Support
ZF 4660.175.006 REVERSING 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 4660.175.006 when sending your RFQ. PartsZF can review dotted, spaced, and compact number formats against the available product and documentation records.
Application Context
- Illustration section: REVERSING GEAR
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 | 4660.175.006 |
|---|---|
| Normalized SKU | 4660175006 |
| Part name | REVERSING GEAR |
| 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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- 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
