The 500lbs (227kg) Ho-Pac 400B is ideal for trench, slope and excavation compaction. Compatible with carriers in the 3 to 12 ton range, the attachment is designed for use in mini-excavators, skid-steers, rubber-tired backhoes and trenchers with a backhoe attachment.

The Ho-Pac 400B features Four Function Valve that controls flow, pressure, regeneration and oil flow direction, Grease filled sealed bearings providing maintenance free lubrication, and tough coat hoses that prevent cuts and extend wear life. Larger eccentric with mass further away from shaft centerline helps to increase impulse force.