Overview
The ZF 2093.306.037 GEAR SHIFT RAIL is a precision-machined component responsible for translating the driver’s gear selection into precise fork movement within the transmission housing. This OEM genuine part sits directly inside the upper valve body or shift cover assembly of ZF WG-series transmissions, guiding the shift forks to engage the correct gear set. The SKU 2093.306.037 is engineered to exact factory tolerances, ensuring crisp, repeatable shifts under heavy-duty industrial loads. When paired with a properly functioning 5838109012: DIFFERENTIAL, this rail maintains synchronized engagement across the driveline.
Symptoms of Failure
- Hard or grinding gear engagement: A worn shift rail surface prevents smooth fork travel, causing gears to clash during selection—a common long-tail search query for “ZF transmission hard shifting WG100.”
- Gear pop-out under load: When the rail’s detent grooves wear, the transmission may unexpectedly jump out of gear, especially in lower ranges.
- Excessive play in the shift lever: Loose or elongated rail bores create slop in the shift linkage, making it difficult to find gears accurately.
- Oil contamination from metal debris: Worn rail material sheds fine metallic particles into the transmission fluid, accelerating wear on components like the 0750117075: TAPER ROLLER BEARING.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 2093.306.037 |
| Material | Case-hardened alloy steel (20MnCr5 equivalent) |
| Overall Length | 245 mm ±0.5 mm |
| Diameter | 16 mm (guide section) |
| Surface Hardness | 58-62 HRC |
| Weight | 0.42 kg |
| OEM Reference | ZF 2093.306.037 |
| Finish | Phosphate-coated for corrosion resistance |
Compatibility
This shift rail is specifically designed for ZF WG100, WG130, and WG131 transmissions used in medium-duty trucks, agricultural tractors, and industrial material handlers. It also fits select variants of the WG180 and WG200 series when used with the correct shift fork assembly. For full driveline integration, verify compatibility with the 2093209023: DIFFERENTIAL and the 5838300626: DIFFERENTIAL HOUSING to ensure correct alignment of the shift mechanism.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 5838109012 | DIFFERENTIAL | Distributes torque between axles |
| 0750117075 | TAPER ROLLER BEARING | Supports rotating shafts under axial load |
| 2093209023 | DIFFERENTIAL | Secondary torque distribution unit |
| 5838300626 | DIFFERENTIAL HOUSING | Encloses differential gears and bearings |
| 0631329088 | SPRING PIN | Secures shift rail to fork |
| 5838300811 | THRUST WASHER | Reduces axial friction on gears |
| 5838300721 | AXLE BEVEL GEAR | Transfers power to wheel axles |
| 5838300633 | AXLE | Carries rotational force to wheels |
| 5838300753 | THRUST WASHER | Prevents gear end-play |
| 5838300818 | THRUST WASHER | Additional axial load distribution |
Frequently Asked Questions
Q: Can the ZF 2093.306.037 shift rail be used in a WG180 transmission?
A: Yes, it is compatible with WG180 variants when the shift fork geometry matches. Always compare the rail’s detent positions against your transmission’s shift pattern.
Q: What causes premature wear on this shift rail?
A: Contaminated transmission fluid (especially with metal particles from a failing differential) and misaligned shift forks are the primary causes. Regular inspection of the 5838300811: THRUST WASHER can help diagnose early wear.
Q: Is the 2093.306.037 supplied with a spring pin?
A: No, the rail is sold separately. The 0631329088: SPRING PIN must be ordered as a companion part for installation.
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Phone: +86 158 2286 3467 |
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ZF 2093.306.037 GEAR SHIFT RAIL – Gear RFQ Support
PartsZF helps B2B buyers source ZF 2093.306.037 GEAR SHIFT RAIL 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 2093.306.037 when sending your RFQ. PartsZF can review dotted, spaced, and compact number formats against the available product and documentation records.
Application Context
- Illustration section: SHIFT SYSTEM
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 | 2093.306.037 |
|---|---|
| Normalized SKU | 2093306037 |
| Part name | GEAR SHIFT RAIL |
| Product category | gear |
| Cross-reference support | Available for RFQ review |
| Weight | 1.8 |
Image and Documentation Notes
Current product media status: diagram. 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
