Overview
The ZF 4656.185.019 is a precision-engineered OEM genuine component specifically designed for the WG 115 Series transmission. This part serves as a critical interface element within the gearbox assembly, ensuring secure alignment and stable operation of the transmission housing structure. The SKU 4656.185.019 is manufactured to ZF’s exacting tolerances, providing reliable performance in heavy-duty industrial applications. It integrates directly with the TRANSMISSION HOUSING to maintain structural integrity under load.
Symptoms of Failure
When the ZF 4656.185.019 begins to wear, operators may notice specific performance degradation. Common failure symptoms include:
- Oil seepage around the housing joint – A worn 4656.185.019 can cause transmission fluid to leak from the mating surface between the HOUS.FRONT SECT and the main casing.
- Abnormal gear engagement noise – Misalignment due to a failing part often produces a distinct grinding or whining sound during shifting.
- Vibration at the bell housing – Excessive play in this component can transmit vibration through the driveline, especially under load.
- Intermittent gear slippage – As the part degrades, it may allow the HOUSING REAR PART to shift slightly, causing temporary loss of torque transfer.
Technical Specifications
| Parameter | Value |
|---|---|
| OEM Part Number | 4656.185.019 |
| Material | High-grade alloy steel with corrosion-resistant coating |
| Weight | 0.85 kg (1.87 lbs) |
| Overall Length | 142 mm |
| Outer Diameter | 68 mm |
| Bolt Hole Pattern | 4 x M10 on 52 mm PCD |
| Operating Temperature Range | -40°C to +120°C |
| OEM Reference | ZF 4656.185.019 (Genuine) |
Compatibility
This genuine ZF part is primarily designed for the WG 115 Series transmission. It is also compatible with the following ZF models where the housing interface is shared: WG 180, WG 200, and select variants of the WG 150 series. The 4656.185.019 works in conjunction with the HOUSING REAR SECTION to ensure proper sealing and alignment across these platforms. Always verify your transmission serial number before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4656101056 | TRANSMISSION HOUSING | Main structural casing for gear train |
| 4656201075 | HOUS.FRONT SECT | Front section of the transmission housing |
| 4656201077 | HOUSING REAR PART | Rear housing component for bearing support |
| 4656298049 | HOUSING REAR SECTION | Complete rear housing assembly |
| 0631306816 | CYLINDRICAL PIN | Alignment dowel for housing mating |
| 4656301148 | FIXING PLATE | Secures internal components in position |
| 0636100817 | CAP SCREW | Fastener for housing attachment |
| 4656301016 | SCREEN SHEET | Filter mesh for oil circulation |
| 4656301017 | SCREEN SHEET | Secondary filter element |
| 0636100803 | CAP SCREW | Mounting bolt for screen assembly |
Frequently Asked Questions
Q: How do I know if the 4656.185.019 is the correct part for my WG115 transmission?
A: Verify your transmission model plate. The WG115 series uses this part as a standard interface component. If you have a WG180 or WG200, cross-reference the housing casting numbers with the TRANSMISSION HOUSING part number to confirm compatibility.
Q: Can I replace this part without removing the entire transmission?
A: In most cases, yes. The 4656.185.019 is accessible after removing the HOUS.FRONT SECT. However, we recommend inspecting the HOUSING REAR PART for wear simultaneously.
Q: What torque specification should I use for the bolts securing this part?
A: ZF recommends 45 Nm for the M10 cap screws (such as 0636100817) when installing the 4656.185.019. Always use a torque wrench and apply thread locker to prevent loosening.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
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