All US Army Engineers Sort by NewestSort by Name US Army Corps of Engineers Tracked Excavator on 50′ Flat Car~ USAX 78900, Vietnam,(EME18A-FC6.2USA_Operates on 3-Rail “O”Gauge track • Available Today • (CTN 23)$395.00 US Army Caterpillar Grader-Leveler with Cab Cover on 42′ Flat Car USAX 23028(EME6B-FC3.2USA)_Operates on 3-Rail “O”Gauge track • Available Today • (CTN 25)$350.00 U.S. Army LeTourneau Carry-All Scraper on 42′ Flat Car USAX 26724(EME33-FC3.2USA)_Operates on 3-Rail “O”Gauge track • Available Today • (CTN 3)$325.00 US Army Corps of Engineers Motorized Pan Scraper on 50′ Flat Car USAX 23457,Vietnam, (EME 17-FC6.2USA)_Operates on 3-Rail “O”Gauge track (CTN 33)$325.00