Overview
The ZF 4657.130.129 ENGINE CONNECTION is a critical OEM genuine interface component designed specifically for the WG 210 Series transmission family. This part serves as the primary mechanical link between the engine flywheel housing and the transmission bell housing, ensuring precise alignment and torque transfer during operation. As a factory-specification component, SKU 4657.130.129 guarantees exact fitment and durability under high-load industrial conditions. When installed alongside the 4657101085: TRANSMISSION HOUSING, this engine connection forms the structural backbone of the driveline assembly.
Symptoms of Failure
When the ZF 4657.130.129 ENGINE CONNECTION begins to wear, operators typically encounter several distinct failure indicators. Oil seepage at the engine-to-transmission mating surface is the most common early warning sign, often mistaken for a simple gasket failure. Abnormal gear engagement hesitation occurs as misalignment develops, causing delayed shifts under load. Vibration during acceleration becomes noticeable at specific RPM ranges, indicating the connection has lost its original rigidity. Metallic debris in the transmission fluid may appear if the connection surface fractures, requiring immediate inspection of the 4657201161: HOUS.FRONT SECT and 4657201162: HOUSING REAR PART for collateral damage.
Technical Specifications
| Parameter | Specification |
|---|---|
| OEM Part Number | 4657.130.129 |
| Material | High-grade cast iron alloy |
| Overall Length | 185 mm |
| Flange Diameter | 210 mm |
| Bolt Hole Pattern | 8x M12 on 180 mm PCD |
| Weight | 4.2 kg |
| Surface Finish | Ground and phosphate-coated |
| OEM Reference | ZF 4657.130.129 |
Compatibility
This ENGINE CONNECTION is engineered for the ZF WG 210 Series but also fits select models in the WG180, WG200, and WG250 families when used with the appropriate 4657298107: HOUSING REAR SECTION. It is fully compatible with all WG210 variants including the WG210-110, WG210-120, and WG210-130. For mixed-series applications, always verify the bolt pattern matches your existing 4657201161: HOUS.FRONT SECT before installation. This part is not designed for use with older WG150 or WG160 transmissions without adapter kits.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101085 | TRANSMISSION HOUSING | Main structural casing for gear assembly |
| 4657201161 | HOUS.FRONT SECT | Forward section of transmission housing |
| 4657201162 | HOUSING REAR PART | Rear housing segment for output shaft |
| 4657298107 | HOUSING REAR SECTION | Extended rear housing for PTO mounting |
| 0631306816 | CYLINDRICAL PIN | Alignment dowel for housing positioning |
| 0636100801 | CAP SCREW | M12 fastener for housing attachment |
| 4656301148 | FIXING PLATE | Retention bracket for connection assembly |
| 4657301032 | SCREEN SHEET | Fine mesh filter for oil circuit |
| 4657301033 | SCREEN SHEET | Coarse mesh pre-filter for sump |
| 0636100803 | CAP SCREW | M10 bolt for screen sheet retention |
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