The PC390LC-11 hydraulic excavator from Komatsu America has the same upper structure and improvements introduced with the PC360LC-11, but with a larger undercarriage and greater drawbar pull. The roller frames on the PC390LC-11 have a 6 percent wider track, 8 percent longer track...
Hydraulic Excavator’s Larger Undercarriage Increases Over-The-Side Lift Capacity
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