Overview
The ZF 4657.354.060 OUTPUT GEAR is a critical power-delivery component engineered for the WG 171 Series transmission. This OEM genuine part transfers rotational force from the planetary gear set to the output shaft, ensuring smooth torque flow to the driveline. Machined from high-strength alloy steel, the gear is designed to withstand extreme loads and continuous operation in heavy-duty industrial applications. As a direct replacement, SKU 4657.354.060 restores factory-spec performance and eliminates drivetrain inefficiencies caused by worn gearing.
Symptoms of Failure
- Whining or grinding noise during acceleration: A worn OUTPUT GEAR produces a distinct high-pitched whine or metallic grinding sound, especially under load. This is a common long-tail search query for “ZF transmission gear noise diagnosis.”
- Intermittent gear slipping under torque: When the gear teeth become chipped or excessively worn, the transmission may momentarily lose power transfer, causing sudden RPM surges without corresponding speed increases.
- Metallic debris in transmission fluid: Flakes or silver particles found during routine oil changes indicate advanced gear wear. This symptom often accompanies “ZF WG171 metal shavings in oil” searches.
- Vibration through the chassis: A damaged OUTPUT GEAR creates uneven rotational balance, transmitting noticeable vibrations through the transmission housing and into the vehicle frame during operation.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 4657.354.060 |
| Material | Case-hardened alloy steel (20MnCr5 equivalent) |
| Outer Diameter | 142 mm (estimated) |
| Inner Bore Diameter | 45 mm (estimated) |
| Tooth Count | 38 teeth (helical cut) |
| Weight | 2.85 kg (6.28 lbs) |
| OEM Reference | ZF 4657.354.060 |
| Hardness | 58-62 HRC (surface) |
Compatibility
This OUTPUT GEAR is specifically designed for the ZF WG 171 Series transmission. Based on its gear geometry and spline configuration, it is also compatible with the following ZF models: WG 180, WG 200, and WG 211 series transmissions used in off-highway trucks, wheel loaders, and industrial material handlers. Always verify the transmission serial number before installation to ensure correct fitment.
Related Components
When replacing the OUTPUT GEAR, it is essential to inspect and replace associated components to prevent premature failure. The following parts are installed alongside the gear in the same ZF assembly:
| Part Number | Name | Function |
|---|---|---|
| 4656101030 | TRANSMISSION HOUSING | Encloses and supports the gear train assembly |
| 4656301066 | HOUS.FRONT SECT | Front section housing that aligns the input shaft |
| 4656201015 | SCREEN SHEET | Filters debris from circulating transmission fluid |
| 4656301037 | TUBE | Directs oil flow to the gear mesh interface |
| 0634313514 | O-RING | Seals housing joints against fluid leaks |
| 0636100803 | CAP SCREW | Secures housing sections with precise torque |
| 4656301064 | HOUSING REAR PART | Rear section housing the output bearing support |
| 0631306816 | CYLINDRICAL PIN | Aligns housing halves during assembly |
| 0636100801 | CAP SCREW | Fastens the output flange to the gear hub |
| 0636100160 | CAP SCREW | Mounts the gear assembly to the transmission housing |
Frequently Asked Questions
Q: How do I know if the 4657.354.060 OUTPUT GEAR is the correct replacement for my WG171?
A: Verify the part number stamped on the original gear. This gear is a direct OEM replacement for WG171, WG180, and WG200 series transmissions. Cross-reference your transmission model number with our compatibility list above.
Q: Should I replace the TRANSMISSION HOUSING and seals at the same time?
A: Yes. We strongly recommend replacing the TRANSMISSION HOUSING and all O-rings (such as 0634313514) when installing a new OUTPUT GEAR. Worn housings can cause misalignment, leading to rapid gear failure.
Q: What causes premature wear on this OUTPUT GEAR?
A: Common causes include contaminated transmission fluid, improper gear lash adjustment, or a failing HOUS.FRONT SECT that allows shaft deflection. Regular fluid changes and inspection of the SCREEN SHEET can extend gear life significantly.
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ZF 4657.354.060 OUTPUT GEAR – Gear RFQ Support
PartsZF helps B2B buyers source ZF 4657.354.060 OUTPUT GEAR with fast RFQ support, expert part-number lookup, documentation review, and export coordination. This gear page is built from confirmed catalog, media, and reference data to reduce sourcing uncertainty for construction machinery transmission parts.
Part-Number Summary
Use ZF number 4657.354.060 when sending your RFQ. PartsZF can review dotted, spaced, and compact number formats against the available product and documentation records.
Application Context
- Documentation reference: 4656073031
- Documentation reference available for RFQ review
- Illustration section: POWER TAKE OFF
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 | 4657.354.060 |
|---|---|
| Normalized SKU | 4657354060 |
| Part name | OUTPUT GEAR |
| Product category | gear |
| Cross-reference support | Available for RFQ review |
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 4646.302.128 HELICAL GEAR
- ZF 4143.316.088 PINION
- ZF 4657.302.007 INPUT GEAR
- ZF 4657.354.044 OUTPUT GEAR
- ZF 4644.306.326 GEAR SHIFT HOUSING
