Overview
The ZF 2093.303.069 HELICAL GEAR is a precision-engineered component designed for the auxiliary drive and countershaft assembly within ZF WG100, WG130, and WG131 transmissions. This OEM genuine part ensures smooth torque transfer and reduced noise levels by maintaining constant mesh between gear stages. The SKU 2093.303.069 is machined from case-hardened alloy steel to withstand high cyclic loads in heavy-duty industrial drivetrains. When paired with a properly torqued 5838109012: DIFFERENTIAL, this helical gear optimizes power distribution across the axle assembly.
Symptoms of Failure
- Whining or howling noise during acceleration: Worn gear teeth on the 2093.303.069 produce a distinct high-pitched whine that intensifies under load, often misdiagnosed as a bearing issue.
- Metal particles in transmission oil: Pitting or spalling on the helical flanks releases ferrous debris into the lubricant, visible during drain intervals.
- Vibration at steady cruising speeds: Uneven tooth wear causes cyclic vibration felt through the chassis, especially between 40-60 km/h.
- Intermittent gear slipping under torque: Advanced wear reduces tooth engagement depth, leading to momentary power loss when climbing gradients.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 2093.303.069 |
| Gear Type | Helical, Right-Hand Spiral |
| Material | 20MnCr5 Case-Hardened Steel |
| Outside Diameter | 142.5 mm |
| Face Width | 38.0 mm |
| Bore Diameter | 45.0 mm |
| Number of Teeth | 37 |
| Helix Angle | 22.5° |
| Weight | 2.85 kg |
| OEM Reference | ZF 2093.303.069 |
Compatibility
This helical gear is engineered exclusively for ZF WG-series transmissions. Verified fitments include the WG100, WG130, and WG131 models. It also integrates with the WG180 and WG200 series when used in auxiliary drive positions. For proper backlash adjustment, always inspect the mating 0750117075: TAPER ROLLER BEARING and the 2093209023: DIFFERENTIAL during rebuild. The 5838300626: DIFFERENTIAL HOUSING must be inspected for wear at the gear seat interface.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 5838109012 | DIFFERENTIAL | Distributes torque between axle shafts |
| 0750117075 | TAPER ROLLER BEARING | Supports helical gear axial loads |
| 2093209023 | DIFFERENTIAL | Secondary torque split unit |
| 5838300626 | DIFFERENTIAL HOUSING | Encloses differential assembly |
| 0631329088 | SPRING PIN | Secures gear to shaft |
| 5838300811 | THRUST WASHER | Controls axial clearance |
| 5838300721 | AXLE BEVEL GEAR | Transfers power to wheel ends |
| 5838300633 | AXLE | Rotates wheel hub |
| 5838300753 | THRUST WASHER | Reduces friction on gear face |
| 5838300818 | THRUST WASHER | Secondary axial load bearing |
Frequently Asked Questions
Q: Can the ZF 2093.303.069 helical gear be used in a WG200 transmission?
A: Yes, it is compatible with WG200 series when installed in the auxiliary drive position. Always verify tooth contact pattern and backlash (0.15-0.25 mm) during assembly.
Q: What torque specification applies to the retaining nut for this gear?
A: The shaft nut should be torqued to 280 Nm using a thread-locking compound. Refer to ZF service bulletin 09.02 for updated values.
Q: How do I identify genuine ZF 2093.303.069 versus aftermarket copies?
A: Genuine parts have a laser-etched ZF logo and batch code on the gear face. Counterfeits often lack the 22.5° helix angle chamfer on the tooth tips.
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Phone: +86 158 2286 3467 |
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ZF 2093.303.069 HELICAL GEAR – Gear RFQ Support
ZF 2093.303.069 HELICAL 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 2093.303.069 when sending your RFQ. PartsZF can review dotted, spaced, and compact number formats against the available product and documentation records.
Application Context
- Illustration section: COUNTERSHAFT
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 | 2093.303.069 |
|---|---|
| Normalized SKU | 2093303069 |
| Part name | HELICAL 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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