The Caterpillar H55Ds hydraulic hammer from Caterpillar Inc., Peoria, Ill., is designed for high productivity and reliability through the use of innovative features. The H55Ds features a simplified design, a higher blow rate and 25% more power for superior production from a 436-lb work tool. The energy class for the H55Ds is 500 ft-lb. The H55Ds is sized for use with all Cat skid-steer and multi-terrain loaders as well as the 302.5, 303.5 and 303 CR mini hydraulic excavators. Recommended carrier weight is 5,500 to 9,900 lb, and the new hammer is compatible with the Caterpillar pin-grabber quick coupler system. For expanded versatility, the H55Ds can be equipped with a chisel, moil, spade or compacting plate.
