Overview
The ZF 4657.130.004 ENGINE CONNECTION is a critical interface component designed for the WG 210 Series transmissions. This OEM genuine part serves as the primary mechanical link between the transmission assembly and the engine bellhousing, ensuring precise alignment and secure torque transfer during operation. Positioned at the front of the gearbox, this engine connection plate absorbs vibrational loads while maintaining a sealed boundary for lubrication circuits. The SKU 4657.130.004 is manufactured to ZF’s original tolerances, making it a direct replacement for worn or damaged units in heavy-duty industrial drivetrains.
Symptoms of Failure
When the 4657.130.004 ENGINE CONNECTION begins to degrade, operators may notice distinct operational issues. Oil seepage at the engine-transmission interface is a common early indicator, often caused by fatigue cracks in the connection plate. Gear slipping under load can occur if the part loses its dimensional stability, allowing misalignment between the input shaft and engine flywheel. Abnormal vibration during acceleration is another telltale sign, typically resulting from worn mounting surfaces that fail to dampen harmonics. Finally, difficulty engaging or disengaging the transmission may point to a warped engine connection plate that interferes with clutch or torque converter alignment.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 4657.130.004 |
| Material | High-strength cast iron (GGG-40) |
| Weight | 2.8 kg (6.2 lbs) |
| Outer Diameter | 320 mm |
| Bolt Hole Pattern | 8 x M12 on 280 mm PCD |
| OEM Reference | ZF 4657.130.004 |
| Surface Finish | Phosphate-coated for corrosion resistance |
Compatibility
This engine connection component is primarily designed for the WG 210 Series transmission family, but it also fits select models in the WG180 and WG200 ranges due to shared bellhousing bolt patterns. It is compatible with ZF’s 6-speed and 8-speed industrial gearboxes used in construction, agricultural, and material handling equipment. Always verify the 4657.130.004 part number against your transmission’s serial plate before installation. For complete assembly integrity, this part works in conjunction with the 4657101033: TRANSMISSION HOUSING, 4657201027: HOUS.FRONT SECT, 4657201012: HOUSING REAR PART, and 0631306792: CYLINDRICAL PIN to ensure precise alignment and sealing.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101033 | TRANSMISSION HOUSING | Main structural casing for gear train |
| 4657201027 | HOUS.FRONT SECT | Front section of transmission housing |
| 4657201012 | HOUSING REAR PART | Rear section of transmission housing |
| 0631306792 | CYLINDRICAL PIN | Alignment dowel for housing sections |
| 0636100801 | CAP SCREW | Fastener for housing assembly |
| 4656301148 | FIXING PLATE | Secures connection plate to housing |
| 4657301032 | SCREEN SHEET | Filter mesh for oil return circuit |
| 4657301033 | SCREEN SHEET | Fine filter screen for hydraulic system |
| 0636100803 | CAP SCREW | Bolt for engine connection plate |
| 4681301040 | OIL FEED.HOUSG. | Lubrication supply channel housing |
Frequently Asked Questions
Q: Can the 4657.130.004 ENGINE CONNECTION be used on a ZF WG180 transmission?
A: Yes, this part shares bolt patterns with the WG180 and WG200 series, but we recommend cross-referencing your transmission’s serial number to confirm compatibility, as minor variations exist in earlier production runs.
Q: What torque specification should be used for the cap screws when installing this engine connection?
A: ZF specifies 85 Nm (63 ft-lbs) for the M12 bolts securing the engine connection plate. Always use new 0636100803: CAP SCREW fasteners and apply thread locker to prevent loosening under vibration.
Q: How do I know if my engine connection plate is warped?
A: Place a straightedge across the mounting face. A gap of more than 0.15 mm (0.006 inches) indicates warping. Additionally, check for uneven wear patterns on the 4656301148: FIXING PLATE contact surfaces, which often accompany plate distortion.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
Request a Quote →
