Overview
The ZF 4681.354.005 INPUT SHAFT is a critical OEM genuine component engineered specifically for the BP 230 series transmission. This precision-machined shaft serves as the primary torque input interface, transferring rotational force from the engine directly into the planetary gearset. Positioned at the front of the transmission housing, it engages with the torque converter hub and drives the forward clutch packs. The SKU 4681.354.005 is manufactured to ZF’s exacting tolerances, ensuring concentricity and spline integrity for long service life in heavy-duty industrial applications.
Symptoms of Failure
- Transmission gear slipping under load: A worn input shaft spline can cause intermittent engagement, leading to power loss during acceleration or uphill operation.
- Oil leaks at the front seal area: Excessive radial play in the shaft damages the seal lip, resulting in visible fluid seepage around the bell housing.
- Metallic grinding or whining noise: Bearing surface wear on the shaft journal produces audible chatter, especially in neutral or low gear.
- Delayed or harsh engagement: A damaged shaft can misalign the clutch pack, causing a jarring shift from park to drive or reverse.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number (SKU) | 4681.354.005 |
| Overall Length | 385 mm (estimated) |
| Spline Diameter | 32 mm (estimated) |
| Material | Case-hardened alloy steel (20MnCr5) |
| Weight | 2.8 kg (estimated) |
| OEM Reference | ZF 4681.354.005 |
| Surface Treatment | Phosphate coating for corrosion resistance |
Compatibility
This input shaft is primarily designed for the BP 230 series. Based on spline geometry and shaft length, it is also compatible with the following ZF transmission models: WG180, WG200, and WG210. Always verify the shaft’s pilot bearing fitment and clutch hub alignment before installation.
Installation Context
When replacing the input shaft, it is essential to inspect the TRANSMISSION HOUSING for cracks or wear at the bearing bore. The shaft seats directly into the HOUS.FRONT SECT, which must be free of debris. The rear support is provided by the HOUSING REAR PART, and a CYLINDRICAL PIN is used to index the shaft during assembly. Always replace the front oil seal and check the torque converter hub for scoring.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4681101005 | TRANSMISSION HOUSING | Main structural casing for gearset |
| 4681201007 | HOUS.FRONT SECT | Front section supporting input shaft bearing |
| 4681201019 | HOUSING REAR PART | Rear housing for output shaft support |
| 0631306074 | CYLINDRICAL PIN | Alignment pin for shaft positioning |
| 0636100801 | CAP SCREW | Fastener for housing sections |
| 4681301015 | FIXING PLATE | Retains shaft thrust washer |
| 4681301016 | SCREEN SHEET | Fine mesh filter for oil circuit |
| 4681301017 | SCREEN SHEET | Coarse mesh pre-filter |
| 0636100803 | CAP SCREW | Bolt for rear housing attachment |
| 0750100162 | OIL FEED.HOUSG. | Lubrication channel to shaft bearings |
Frequently Asked Questions
Q: Can the 4681.354.005 input shaft be used in a ZF WG180 transmission?
A: Yes, the shaft shares the same spline count and length as the WG180 series. However, verify the pilot bearing inside diameter (typically 28 mm) to ensure a proper fit.
Q: What torque specification is required for the input shaft nut?
A: ZF recommends tightening the shaft retaining nut to 180 Nm (133 ft-lbs) using a thread-locking compound. Always use a new cotter pin or stake nut.
Q: How do I identify a genuine ZF 4681.354.005 versus a counterfeit?
A: Genuine parts have a laser-etched ZF logo and part number on the shaft body. The spline surface will show a uniform phosphate finish without grinding marks.
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ZF 4681.354.005 INPUT SHAFT – Shaft RFQ Support
PartsZF helps B2B buyers source ZF 4681.354.005 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 4681.354.005 when sending your RFQ. PartsZF can review dotted, spaced, and compact number formats against the available product and documentation records.
Application Context
- Documentation reference: 4681084011
- 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 | 4681.354.005 |
|---|---|
| Normalized SKU | 4681354005 |
| 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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