2001 Caterpillar 3126, Engine Assys, (GOOD USED) 2001 Caterpillar 3126 Diesel Engine For Sale, 250HP @ 2200RPM, 70 PIN ECM CONNECTORS, 3126E CKM, AR# 199-8859, Engine Family 1CPXH0442HBK, MAX 330HP @ 2400RPM, 7.2L, 6 Cylinders, Engine Serial# CKM30650, Stock# 1645