Overview
The ZF 4657.330.054 INPUT SHAFT is a precision-machined, OEM genuine component engineered for the WG190 and WG210 series transmissions. This hardened steel shaft serves as the primary torque transfer interface between the engine clutch and the transmission’s planetary gear sets. Located at the front of the gearbox housing, it directly engages with the clutch hub and drives the forward gears. The SKU 4657.330.054 is a direct factory replacement, ensuring exact spline geometry and surface hardness to prevent premature wear. During installation, this shaft must be secured with a 0636100801: CAP SCREW and aligned using a 0631306792: CYLINDRICAL PIN to maintain concentricity under heavy loads.
Symptoms of Failure
- Oil leaks at the front seal area: A worn input shaft bearing journal allows radial play, pushing fluid past the seal. This often appears as drips near the bell housing.
- Gear slipping under acceleration: When the splines on the 4657.330.054 wear down, the clutch hub loses positive engagement, causing the transmission to slip in forward gears.
- Abnormal whining or grinding noise: Surface pitting or scoring on the shaft’s bearing contact zones generates a distinct metallic noise that increases with engine RPM.
- Hard shifting or delayed engagement: A bent or twisted input shaft creates misalignment, making it difficult for the transmission to engage gears smoothly from a stop.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number (OEM) | 4657.330.054 |
| Overall Length | 285 mm (estimated) |
| Spline Major Diameter | 32 mm |
| Bearing Journal Diameter | 45 mm |
| Material | Case-hardened alloy steel (20MnCr5 equivalent) |
| Weight | 2.4 kg (5.3 lbs) |
| OEM Reference | ZF 4657.330.054 |
| Hardness | 58–62 HRC (surface) |
Compatibility
This input shaft is designed for ZF’s WG-series industrial transmissions. It is a direct fit for the WG190 and WG210 models. Based on spline dimensions and bearing spacing, it is also compatible with the WG180 and WG200 series when used with the correct bearing set. Always verify the shaft’s shoulder height against your existing unit. When replacing this shaft, we recommend also inspecting the 4656301148: FIXING PLATE and the 4657301032: SCREEN SHEET for debris contamination.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 0631306792 | CYLINDRICAL PIN | Aligns input shaft to clutch hub |
| 0636100801 | CAP SCREW | Secures input shaft retaining plate |
| 4656301148 | FIXING PLATE | Locks shaft axial position |
| 4657301032 | SCREEN SHEET | Filters debris from lubrication circuit |
| 4657301033 | SCREEN SHEET | Alternate mesh filter for high-flow systems |
| 0636100803 | CAP SCREW | M10 bolt for bearing retainer |
| 0631311009 | GROOVED STUD | Locates oil feed housing |
| 0750301003 | OIL FEED.HOUSG. | Directs pressurized oil to shaft bearings |
| 4656301023 | GASKET | Seals oil feed housing interface |
| 0736300182 | TORX SCREW | Fastens screen sheet to housing |
Frequently Asked Questions
Q: Can the 4657.330.054 input shaft be used in a WG180 transmission?
A: Yes, the shaft shares the same spline count and bearing journal dimensions as the WG180. However, you must also replace the front bearing race and verify the 4656301148: FIXING PLATE thickness to ensure proper axial clearance.
Q: What torque specification is required for the cap screw that holds this shaft?
A: The 0636100801: CAP SCREW must be tightened to 85 Nm (63 ft-lbs) with thread locker applied. Over-torquing can distort the shaft’s bearing journal.
Q: How do I know if my input shaft is bent?
A: Place the shaft on V-blocks and rotate it with a dial indicator on the center bearing journal. Runout exceeding 0.05 mm indicates a bent shaft requiring replacement with the 4657.330.054.
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ZF 4657.330.054 INPUT SHAFT – Shaft RFQ Support
PartsZF helps B2B buyers source ZF 4657.330.054 INPUT SHAFT with fast RFQ support, expert part-number lookup, documentation review, and export coordination. This shaft 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 4657.330.054 when sending your RFQ. PartsZF can review dotted, spaced, and compact number formats against the available product and documentation records.
Application Context
- Documentation reference: 4657054061
- Documentation reference available for RFQ review
- Documentation reference: 4657026013
- Illustration section: ENGINE CONNECTION
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 | 4657.330.054 |
|---|---|
| Normalized SKU | 4657330054 |
| Part name | INPUT SHAFT |
| Product category | shaft |
| 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.
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