Overview
The ZF 4642.301.205 TRANSMISSION HOUSING is a critical structural component designed specifically for the WG 150 Series transmission. This OEM genuine part serves as the primary enclosure that houses the gear sets, shafts, and hydraulic control elements within the transmission assembly. The housing provides the necessary rigidity to maintain precise gear alignment under high torque loads while also functioning as the main oil reservoir for the lubrication system. The SKU 4642.301.205 is engineered to exact ZF specifications, ensuring a perfect fit and long service life in demanding industrial applications.
Symptoms of Failure
- External oil seepage from housing seams: When the transmission housing develops micro-cracks or porosity, you will notice oil weeping from the mating surfaces or casting walls, often mistaken for gasket failure.
- Gear engagement noise under load: A worn or distorted housing can cause misalignment of internal components, leading to a distinct whining or grinding sound during gear shifts or under heavy load conditions.
- Contaminated transmission fluid: Cracks in the housing can allow external debris or moisture to enter the system, resulting in fluid that appears milky or contains metallic particles from accelerated wear.
- Vibration during operation: Structural fatigue in the housing reduces its ability to dampen normal driveline vibrations, causing noticeable shaking through the chassis at specific RPM ranges.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 4642.301.205 |
| Material | High-grade cast aluminum alloy (A356-T6) |
| Overall Length | 620 mm |
| Overall Width | 380 mm |
| Overall Height | 290 mm |
| Dry Weight | 18.5 kg |
| OEM Reference | ZF 4642.301.205 |
| Bolt Torque Spec | 85 Nm (M12 fasteners) |
Compatibility
This ZF 4642.301.205 transmission housing is primarily designed for the WG 150 Series but is also compatible with several other ZF models that share the same mounting architecture. It fits the WG 180 and WG 200 series transmissions, as well as the WG 120 and WG 250 variants when used with the appropriate adapter kit. Always verify the casting number on your existing housing before installation.
When replacing this housing, it is essential to inspect and replace associated components that are commonly installed alongside it. The TRANSMISSION HOUSING 4642101109 is a direct alternative for certain build dates. Ensure the TYPE PLATE 0730365125 is transferred or replaced to maintain proper identification. The GROOVED STUD 0631311009 must be torqued correctly to prevent oil leaks, and the SCREEN SHEET 4642301168 should be cleaned or replaced to ensure proper oil flow.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4642101109 | TRANSMISSION HOUSING | Alternative housing variant for specific builds |
| 0730365125 | TYPE PLATE | Identification plate for transmission model |
| 0631311009 | GROOVED STUD | Fastener for housing-to-bell housing connection |
| 4642301168 | SCREEN SHEET | Oil filter screen for sump protection |
| 4642301169 | SCREEN SHEET | Secondary oil filter screen |
| 0636100621 | HEXAGON SCREW | Mounting bolt for housing covers |
| 4642301186 | SCREEN SHEET | Fine mesh screen for hydraulic circuit |
| 4644106231 | SHIFT SYSTEM | Hydraulic shift control assembly |
| 4644306470 | GASKET | Housing-to-cover sealing gasket |
| 4644306194 | COVER PLATE | Access cover for valve body inspection |
Authorized ZF Distributor
We are a certified supplier of genuine ZF components.
