Engines | Mounts, , (USED) 1990 Caterpillar 3116 Diesel Engine (Mechanical Fuel Pump), Serial # 7SF12591, 185HP Rated @ 2600 RPM, AR # 7E0817, Test Run 12-6-16, Runs Perfect!!! Fully Inspected!! Low Miles. Out of GMC. Visit jjrebuilders.com for more information on this motor or any other diesel engine you may be looking for. 1-800-971-3019. INV # 003132