The PC45MR-5 and PC55MR-5 tight tailswing excavators feature swing booms and convex sliding doors that hug the machine to help with work in tight spaces.
The PC45MR-5 and PC55MR-5 excavators have 38-horsepower 4D88E-7 engines, which use up to 5 percent less fuel than their predecessors, says Komatsu. Working modes match engine speed to pump delivery, ...
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