The PC1250-11 excavator is available as a mass excavation “SP” configuration and a “LC” version with a longer undercarriage. The Komatsu SAS6D170E-7 engine provides 758 horsepower at 1,800 rpm and uses EGR and diesel particulate filters to attain Tier 4-F emissions. It has 13 percent more horsepower than previous models. Productivity is increased by up to 8 percent with Power-plus work mode that has enhanced engine/hydraulic pump control efficiency.
Operating weights, with 39.4-inch shoes, are 259,960 pounds for the mass ex version and 269,0 pounds for the LC.