CATERPILLAR , (NEW CRATE ENGINE) 2015 Caterpillar C11 Diesel Engine (Industrial), S/N TXE11290, AR # 396-3177, 385HP @ 1800RPM, 11.1L, Set Up for a Caterpillar MD5150C Track Drill Unit for more information on the unit please call JJ REBUILDERS at 1800-971-3019 reference Stock # 004230