Engines | Mounts, , 1979 MACK 673, Truck Engine, (GOOD USED) 1979 MACK ETZ 673 DIESEL ENGINE FOR SALE, ENDT, 260HP @ 2100RPM, DISPLACEMENT 672, FEDERAL FAMILY 11, TURBOCHARGED, 6 CYLINDERS, STOCK# 2288 WATCH TEST RUN VIDEO ON CA TRUCKS WEBSITE! TEST RUN & INSPECTED! ENGINE IS TEST RUN & INSPECTED INTERNALLY. GREAT RUNNER! WARRANTY! MANY ENGINES IN STOCK! CALL CA TRUCK PARTS FOR MORE INFORMATION (305)688-1101