Engines | Mounts, , 1999 CAT 3126, Truck Engine, (GOOD USED) 1999 CATERPILLAR 3126 DIESEL ENGINE FOR SALE, 70-PIN ECM PLUG, 230HP @ 2200 RPM, 7.2L, 6 CYLINDERS, TURBOCHARGED, AR # 1759297, 3126B, OEM # 15759861, CORE AR # 173-1332, MAX 330HP @ 2400RPM, 3126B, ELECTRONIC, EXHAUST EMISSIONS CONTROL SYSTEM EM, DI, TC, ECM, CAC, CAT, ENGINE SERIAL# 8YL16857, STOCK# 1635