Engines | Mounts, , 1999 CAT 3126, Truck Engine, (GOOD USED) 1999 CATERPILLAR 3126 DIESEL ENGINE FOR SALE, 275HP, MAX 330HP, AR# 166-9608, 70-PIN, FAMILY# XCPXH0442HRK, 6 CYLINDER, 7.2L, ENGINE SERIAL# 7AS34340, STOCK #3240 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