RE70470 is a torsion damper replacement for JD agricultural machinery equipment tractors.

Compatible Models: Suitable for JD 7210, 7410, 7510, 7610, 7710, 7810, and other compatible tractor models.
Function: This torsional damper primarily reduces torsional vibrations generated by the engine crankshaft during operation. During engine operation, torque pulses from combustion in the cylinders cause torsional vibrations in the crankshaft. The RE70470 absorbs and dissipates this vibrational energy through its internal damping mechanism—such as rubber or elastomer materials—reducing vibration amplitude. This protects the crankshaft and related components, enhances engine smoothness and reliability, and extends engine service life.

Structural Features: Typically incorporates a damping mechanism—often rubber or elastomer material—integrated into the damper design. The torsional damper is securely fastened to the crankshaft's front end via a hub or bolted flange assembly, usually positioned at the crankshaft pulley or harmonic balancer location.