Overview
The ZF 4644.305.039 OUTPUT SHAFT is a critical torque-transfer component engineered specifically for the WG 200 Series transmission family. This OEM genuine part transmits rotational force from the planetary gear set to the driveline, ensuring smooth power delivery under heavy-duty industrial loads. Positioned at the rear of the gearbox assembly, the output shaft interfaces directly with the OUTPUT FLANGE and is housed within the TRANSMISSION HOUSING. The SKU 4644.305.039 is precision-machined to OEM tolerances, guaranteeing a direct replacement without modification.
Symptoms of Failure
- Oil seepage at the rear seal: Worn splines or a scored shaft surface can compromise the seal lip, leading to transmission fluid leaks around the output area.
- Vibration during gear engagement: A fatigued output shaft causes driveline shudder, particularly under load or when shifting between forward and reverse.
- Intermittent gear slipping: Excessive backlash from a worn shaft spline prevents positive engagement with the output flange, resulting in power loss under torque.
- Metallic debris in the oil pan: Spalling or fretting on the shaft surface sheds ferrous particles into the lubrication system, indicating imminent failure.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 4644.305.039 |
| Material | Case-hardened alloy steel (20MnCr5 equivalent) |
| Overall Length | 385 mm (estimated) |
| Spline Diameter | 45 mm (estimated) |
| Weight | 4.2 kg (estimated) |
| OEM Reference | ZF 4644.305.039 |
| Hardness | 58–62 HRC (case depth 0.8–1.2 mm) |
Compatibility
This output shaft is designed for the ZF WG 200 Series, including the WG180, WG200, and WG210 models. It is also compatible with select off-highway transmissions in the 4WG-200 family. Always verify the serial number against your existing part before ordering. The shaft works in conjunction with the DISCONNECTION mechanism and is secured using the HEXAGON SCREW to the output flange assembly.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4644105423 | DISCONNECTION | Engages/disengages output shaft from driveline |
| 4644303054 | OUTPUT FLANGE | Mounts to shaft spline for driveline connection |
| 0636021010 | HEXAGON SCREW | Secures output flange to shaft |
| 4644101229 | TRANSMISSION HOUSING | Encloses shaft and gear assembly |
| 4644301227 | TRANSMISSION HOUSING | Alternate housing variant for WG200 |
| 4475280078 | ADAPTER | Interface between housing and bellhousing |
| 0730365067 | TYPE PLATE | Identification plate for transmission model |
| 0631311009 | GROOVED STUD | Locates and aligns housing components |
| 4644301298 | COVER PLATE | Seals rear access opening in housing |
| 0634306525 | O-RING | Prevents fluid leakage at shaft seal bore |
ZF 4644.305.039 OUTPUT SHAFT – Shaft RFQ Support
For ZF 4644.305.039 OUTPUT SHAFT, send the part number, removed-part photos, and application context so PartsZF can prepare a focused sourcing response.
Part-Number Summary
Use ZF number 4644.305.039 when sending your RFQ. PartsZF can review dotted, spaced, and compact number formats against the available product and documentation records.
Application Context
- Illustration section: DISCONNECTION
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 | 4644.305.039 |
|---|---|
| Normalized SKU | 4644305039 |
| Part name | OUTPUT 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: 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.
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
