Overview
The ZF 4660.330.002 CONVERTER BELL is a critical structural component designed for the WG200 and WG92 transmission series. This OEM genuine part serves as the mounting interface between the torque converter assembly and the main transmission housing, ensuring precise alignment and vibration dampening during high-torque operations. The SKU 4660.330.002 is machined from high-grade cast iron to withstand thermal expansion and mechanical stress in heavy-duty industrial applications. It directly bolts to the TRANSMISSION HOUSING and encloses the converter assembly, protecting it from debris while maintaining hydraulic pressure integrity.
Symptoms of Failure
- Torque converter oil leaks around the bell housing: A worn or cracked 4660.330.002 often causes fluid seepage at the mating surface, leading to low transmission fluid levels and eventual gear slipping.
- Vibration or shudder during gear engagement: Misalignment from a damaged converter bell results in uneven converter rotation, producing noticeable driveline shudder under load.
- Metal shavings in transmission fluid: Internal cracking of the bell housing can release metallic debris into the hydraulic circuit, accelerating wear on the PERIPHERALS and valve body components.
- Difficulty shifting between ranges: Structural distortion of the bell housing interferes with the RANGE SELECTOR linkage alignment, causing delayed or incomplete gear changes.
Technical Specifications
| Specification | Value |
|---|---|
| Part Number | 4660.330.002 |
| Material | High-strength cast iron (GGG-40) |
| Weight | 8.7 kg (19.2 lbs) |
| Outer Diameter | 330 mm |
| Bolt Hole Pattern | 8x M12 on 280 mm PCD |
| OEM Reference | ZF 4660.330.002 |
| Surface Treatment | Zinc-plated corrosion resistance |
Compatibility
This converter bell is engineered for ZF WG-series transmissions, specifically the WG180, WG200, and WG92 models used in construction and agricultural machinery. It is a direct replacement for the HOUSING assembly in these units. The part also interfaces with the SUCTION TUBE and requires the O-RING (0634100317) for proper sealing. Always verify bolt torque specifications when installing with the CAP SCREW kit.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4660198001 | PERIPHERALS | Hydraulic control block assembly |
| 0501209818 | RANGE SELECTOR | Gear range shift actuator |
| 4660101011 | TRANSMISSION HOUSING | Main transmission casing |
| 4660301018 | HOUSING | Converter bell housing cover |
| 0631306174 | CYLINDRICAL PIN | Alignment dowel for bell housing |
| 0769123894 | TYPE PLATE | Identification label for transmission |
| 4660221012 | SUCTION TUBE | Oil intake pipe for pump |
| 0634100317 | O-RING | Seal between bell and housing |
| 0636103273 | CAP SCREW | Fastener for bell housing bolts |
| 0750100022 | SCREW PLUG | Drain/fill port plug |

