Overview
The ZF 4616.101.417 TRANSMISSION HOUSING is a critical structural component engineered specifically for the WG 65 series. As the primary casing, it encloses the gear train, valve body, and torque converter assembly, providing both alignment and protection against external contaminants. This OEM genuine part, identified by SKU 4616.101.417, ensures precise tolerances for shaft spacing and oil channel integrity, directly influencing shift quality and thermal management. When paired with the 4616101066 TRANSMISSION HOUSING, it forms the complete lower casing assembly for heavy-duty applications.
Symptoms of Failure
- External oil seepage at mating surfaces: Cracks or warping in the housing allow transmission fluid to escape, often visible as drips near the bell housing or pan rail.
- Persistent gear slippage under load: Distortion of the housing alters shaft alignment, causing clutch packs to engage inconsistently during acceleration.
- Unusual whining or grinding noises: Bearing bore wear within the housing leads to improper gear meshing, producing audible metallic sounds from the transmission tunnel.
- Contaminated fluid from debris ingress: A compromised housing seal allows dirt and moisture to enter, accelerating internal wear and reducing fluid service intervals.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 4616.101.417 |
| Material | Die-cast aluminum alloy (A356-T6) |
| Weight | 18.7 kg (41.2 lbs) |
| Overall Length | 620 mm |
| Overall Width | 410 mm |
| Overall Height | 290 mm |
| Bolt Hole Pattern | M12 x 1.75, 8-point pattern |
| OEM Reference | ZF 4616.101.417 |
| Sealing Surface Finish | Ra 0.8 µm |
Compatibility
This housing is designed for the ZF WG 65 series transmissions, commonly used in municipal buses, fire trucks, and heavy-duty construction vehicles. It is also compatible with the WG180, WG200, and WG210 models when used with the appropriate 0636011118 HEXAGON SCREW kit. For auxiliary housing assemblies, the 4616301307 HOUSING and 4616301309 HOUSING are direct bolt-on companions for the PTO and valve body sections.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4616101066 | TRANSMISSION HOUSING | Upper casing for gear train enclosure |
| 0636011118 | HEXAGON SCREW | M12 bolt for housing flange fastening |
| 4616301307 | HOUSING | PTO adapter housing |
| 4616301309 | HOUSING | Valve body housing cover |
| 0636011038 | HEXAGON SCREW | M10 bolt for accessory mounting |
| 0636016015 | HEXAGON SCREW | M16 bolt for heavy-duty clamping |
| 0631306085 | CYLINDRICAL PIN | Dowel pin for housing alignment |
| 0634313118 | O-RING | Fluid seal between housing sections |
| 0636304019 | SCREW PLUG | Drain/fill port plug |
| 0634801152 | SEALING RING | Copper washer for plug sealing |
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