Overview
The ZF 2093.306.051 GEAR SHIFT FORK is a precision-machined component engineered for the WG100, WG130, and WG131 heavy-duty transmission series. This OEM genuine part, identified by SKU 2093.306.051, actuates the sliding sleeves on the main shaft to engage specific gear ratios. Positioned within the shift rail assembly, it translates lateral movement from the shift lever into precise fork motion, ensuring clean engagement with the synchronizer hub. When paired with a properly functioning 5838109012: DIFFERENTIAL, this fork maintains consistent power delivery across all forward and reverse gears.
Symptoms of Failure
- Hard shifting or gear grinding: A worn fork pad or bent fork shaft prevents full engagement, causing the synchronizer to clash against the 2093209023: DIFFERENTIAL gears during shifts.
- Gear pop-out under load: Excessive clearance at the fork fingers allows the sliding sleeve to disengage from the 0750117075: TAPER ROLLER BEARING support, resulting in sudden neutral drops during acceleration.
- Metallic debris in transmission oil: Abrasion of the fork’s hardened steel surface generates fine particles that contaminate the 5838300626: DIFFERENTIAL HOUSING cavity.
- Stiff or notchy shift feel: Corrosion or galling on the fork bore restricts smooth travel along the shift rail, increasing driver effort.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 2093.306.051 |
| Material | Case-hardened alloy steel (20MnCr5 equivalent) |
| Overall Length | 185 mm |
| Fork Pad Width | 12.5 mm |
| Bore Diameter (shift rail) | 18 mm |
| Weight | 0.85 kg |
| OEM Reference | ZF 2093.306.051 |
| Surface Treatment | Phosphate coating + oil dip |
Compatibility
This gear shift fork is designed exclusively for ZF’s WG-series modular transmissions. Verified fitments include the WG100 (6-speed), WG130 (9-speed), and WG131 (9-speed with overdrive). It also applies to derivative models such as the WG180 and WG200 when used in the main gearbox section. Always confirm the shift rail diameter and fork pad thickness against your existing assembly before installation. The fork interfaces directly with the 5838300626: DIFFERENTIAL HOUSING mounting points, so verify housing condition during replacement.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 5838109012 | DIFFERENTIAL | Distributes torque between axles |
| 0750117075 | TAPER ROLLER BEARING | Supports rotating shaft loads |
| 2093209023 | DIFFERENTIAL | Secondary differential for planetary gears |
| 5838300626 | DIFFERENTIAL HOUSING | Encloses differential assembly |
| 0631329088 | SPRING PIN | Secures fork to shift rail |
| 5838300811 | THRUST WASHER | Controls axial clearance in differential |
| 5838300721 | AXLE BEVEL GEAR | Transfers power to wheel axles |
| 5838300633 | AXLE | Driveshaft component for final drive |
| 5838300753 | THRUST WASHER | Reduces friction on gear faces |
| 5838300818 | THRUST WASHER | Spacer for differential side gears |
Frequently Asked Questions
Q: How do I know if my ZF 2093.306.051 shift fork is worn beyond reuse?
A: Measure the fork pad thickness with a caliper. If it is less than 11.0 mm (new is 12.5 mm), or if the fork bore shows more than 0.2 mm ovality, replace the fork immediately to avoid damage to the 0750117075: TAPER ROLLER BEARING and synchronizer assembly.
Q: Can I install this fork without removing the transmission from the vehicle?
A: No. The fork is located inside the main gearbox housing and requires removal of the shift cover and, in most cases, the 5838300626: DIFFERENTIAL HOUSING to access the shift rail. Plan for a full transmission drop on WG100/WG130 models.
Q: Does the 2093.306.051 fork work with the WG180 transmission?
A: Yes, it is mechanically compatible with the WG180 main gearbox section, but you must verify that the shift rail diameter matches 18 mm. Some late-model WG180 units use a 20 mm rail, which requires a different fork.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
Request a Quote →
ZF 2093.306.051 GEAR SHIFT FORK – Gear RFQ Support
PartsZF helps B2B buyers source ZF 2093.306.051 GEAR SHIFT FORK 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 2093.306.051 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 | 2093.306.051 |
|---|---|
| Normalized SKU | 2093306051 |
| Part name | GEAR SHIFT FORK |
| Product category | gear |
| Cross-reference support | Available for RFQ review |
| Weight | 0.965 |
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
