Engines | Mounts, , 1975 DETROIT 6-71 INLINE 71 SERIES, Truck Engine, (GOOD USED) 1975 DETROIT 6-71 DIESEL ENGINE FOR SALE, 250HP @ 2300RPM, 6L-71N, MODEL# 1067-5533, VEHICLE F TO F, ENGINE SERIAL# 6A318821, STOCK #2744 WATCH TEST RUN VIDEO ON CA TRUCKS WEBSITE! ENGINE IS TEST RUN & INSPECTED INTERNALLY. WARRANTY! MANY ENGINES IN STOCK! CALL CA TRUCK PARTS FOR MORE INFORMATION (305)688-1101