Overview
The ZF 4616.298.014 COUPLING is a critical OEM genuine component engineered specifically for the WG 65 transmission series. This precision-machined coupling serves as the primary torque transfer interface between the engine output shaft and the transmission input assembly, ensuring seamless power delivery in heavy-duty industrial applications. The SKU 4616.298.014 is designed to absorb torsional vibrations and maintain driveline alignment under extreme loads. When installed alongside the 4616101101 TRANSMISSION HOUSING, this coupling forms a sealed, high-torque connection that prevents misalignment and reduces wear on adjacent components.
Symptoms of Failure
- Driveline shudder or vibration during acceleration — A worn 4616.298.014 coupling loses its damping capacity, causing noticeable tremors through the chassis at low RPM.
- Oil seepage near the bell housing interface — Degraded coupling seals allow transmission fluid to escape, often mistaken for a housing gasket failure.
- Intermittent gear engagement hesitation — Excessive play in the coupling disrupts hydraulic pressure signals, leading to delayed or harsh shifts in WG 65 transmissions.
- Metallic clicking sounds from the transmission front — Loose or fractured coupling teeth produce audible noise during load changes, especially in reverse.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 4616.298.014 |
| Outer Diameter | 198 mm |
| Inner Diameter | 65 mm |
| Overall Length | 112 mm |
| Material | High-tensile alloy steel (case-hardened) |
| Weight | 4.2 kg |
| OEM Reference | ZF 4616.298.014 |
| Torque Capacity | 2,800 Nm (max) |
| Operating Temperature Range | -40°C to +120°C |
Compatibility
This coupling is engineered for the ZF WG 65 series, including models such as WG65, WG80, WG100, WG120, WG150, WG180, and WG200. It is also backward-compatible with select ZF 4HP and 5HP series transmissions when used with the appropriate 0636011118 HEXAGON SCREW kit. For installations requiring additional structural support, the 4616301304 HOUSING and 4616301309 HOUSING components are recommended to ensure proper alignment and sealing.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4616101101 | TRANSMISSION HOUSING | Encloses and supports the gear train assembly |
| 0636011118 | HEXAGON SCREW | Secures coupling to input shaft flange |
| 4616301304 | HOUSING | Intermediate housing for torque converter support |
| 4616301309 | HOUSING | Rear housing for output shaft bearing retention |
| 0630361069 | SEALING CAP | Prevents debris ingress into coupling cavity |
| 0636011038 | HEXAGON SCREW | Mounting bolt for housing flanges |
| 0636016015 | HEXAGON SCREW | High-strength fastener for bell housing |
| 0631306085 | CYLINDRICAL PIN | Alignment dowel for coupling-to-housing fit |
| 0634313118 | O-RING | Hydraulic seal between coupling and shaft |
| 0636304019 | SCREW PLUG | Oil drain plug for coupling lubrication port |
