Overview
The ZF 4660.305.018 Intermediate Shaft is a critical torque-transfer component engineered for the WG 92 series of heavy-duty transmissions. This OEM genuine part sits at the core of the gear train, connecting the input shaft to the main shaft assembly to facilitate precise gear engagement under high load. Designed to withstand extreme torsional stress, the SKU 4660.305.018 ensures smooth power distribution across the transmission’s planetary sets. It works in concert with the 4660101012: TRANSMISSION HOUSING and the 4660301020: HOUSING to maintain structural alignment and oil circulation within the assembly.
Symptoms of Failure
- Grinding noise during gear shifts: Worn splines or bearing surfaces on the intermediate shaft cause metallic grinding, particularly when shifting between second and third gear.
- Vibration at highway speeds: A failing 4660.305.018 shaft creates driveline shudder due to uneven rotational balance, often misdiagnosed as a universal joint issue.
- Intermittent gear slippage under load: As the shaft loses its hardened surface integrity, torque transfer becomes inconsistent, leading to sudden RPM surges without acceleration.
- Metallic debris in transmission fluid: Flaking from the intermediate shaft’s journal surfaces contaminates the oil, which can clog the 4660221012: SUCTION TUBE and accelerate wear on adjacent components.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 4660.305.018 |
| Overall Length | 385 mm |
| Journal Diameter | 45 mm |
| Spline Count | 28 (involute) |
| Material | Case-hardened 20MnCr5 alloy steel |
| Weight | 4.2 kg |
| OEM Reference | ZF 4660.305.018 |
| Hardness | 58-62 HRC |
Compatibility
This intermediate shaft is specifically designed for the ZF WG 92 transmission series. Based on its spline geometry and bearing journal dimensions, it is compatible with the following models: WG92, WG120, WG150, WG180, and WG200. It integrates directly with the 4660101804: TRANSMISSION HOUSING and the 4660301008: HOUSING in later production runs. For proper installation, ensure the 0631306174: CYLINDRICAL PIN is correctly aligned to prevent axial play, and verify the 0769123894: TYPE PLATE matches your unit’s serial number for OEM authenticity.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4660101012 | TRANSMISSION HOUSING | Encloses and supports the gear train assembly |
| 4660301020 | HOUSING | Rear housing section for output shaft support |
| 0631306174 | CYLINDRICAL PIN | Locates and aligns the intermediate shaft |
| 0769123894 | TYPE PLATE | Identification plate with OEM specifications |
| 4660221012 | SUCTION TUBE | Transmits oil from sump to pump inlet |
| 0634100317 | O-RING | Seals fluid passages between housing sections |
| 0636103273 | CAP SCREW | Fastens housing flanges to specified torque |
| 0750100022 | SCREW PLUG | Closes oil drain or test ports |
| 4660101804 | TRANSMISSION HOUSING | Alternative housing variant for WG92 series |
| 4660301008 | HOUSING | Lightweight housing for reduced assembly weight |
ZF 4660.305.018 INTERMEDIATE SHAFT – Shaft RFQ Support
PartsZF supports RFQ preparation for ZF 4660.305.018 INTERMEDIATE SHAFT where shaft identification and documentation review are required before ordering.
Part-Number Summary
Use ZF number 4660.305.018 when sending your RFQ. PartsZF can review dotted, spaced, and compact number formats against the available product and documentation records.
Application Context
- Illustration section: COUPLING
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 | 4660.305.018 |
|---|---|
| Normalized SKU | 4660305018 |
| Part name | INTERMEDIATE SHAFT |
| Product category | shaft |
| 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: 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 2094.110.011 P.T.O. SHAFT
- ZF 2094.110.014 P.T.O. SHAFT
- ZF 4642.303.002 OUTPUT SHAFT
- ZF 2093.110.011 P.T.O. SHAFT
- ZF 5838.300.106 INPUT SHAFT
