Boom rock breaker max. 9 679 kg | MRHT series

High strength steel (bent, 4-plate) construction 65 ksi tensile strength; 50 ksi yield strength for longer service life Reinforced pivot and mounting pin joints from improved durability Hardened steel bushings in pivot joints and larger diameter pivot pins provide reduced bearing pressure and increased service life Thicker pedestal base plate – 1.5” (38 mm) Pedestal mounting bolt pattern matches TM-H & X MRH series for ease of installation and reduced expense of replacement Increased cross sectional strength of boom and dipper where high stress is realized Common cylinder for hoist (lift), crowd (stick) and curl (tilt) functions Tilt & Lift valve stand for improved serviceability