CATERPILLAR , (USED) 1983 Caterpillar 3406B Diesel Engine (WATERCOOLED), Serial # 7FB02233, AR # 4W3607, 400HP RATED @ 2100 RPM, Test Run 5-24-17, Fully Inspected!!! Runs Perfect!!! Visit Our Website for more information on this engine or any other diesel engine you may be looking for. Call . INV # 003321