CATERPILLAR , (USED) Caterpillar 3304PC Diesel Engine, Serial # 43V19305, AR # 7N3593, 139HP, HIGH 2390 RPM, LOW HOURS AFTER REMAN, PERFECT RUNNING ENGINE!! TEST RUN 3-22-17. Call for more information on this or any other diesel engine . or Visit Our Website. INV # 003254