CX470C crawler excavator from Case Construction Equipment replaces the B series model with a Tier 4-Interim diesel rated at 362 net horsepower. Machine is available as a long-undercarriage (LC), retractable-undercarriage (RTC), or mass excavator (MEX) configuration. Operating weights range from 105,300 to 108,600 lb., roughly 1,100 lb. heavier than predecessors.