Caterpillar C18 Engine There are Two models / Variations of Caterpillar C18 Engine both are industrial but are used in different industrial machines. It is a Direct Injected Turbocharged Aftercooled Engine. Applications of CAT C18 Engine: Agricultural, Material handling, Construction, Mining, Aircraft ground support, and other industrial applications. Caterpillar C18 Industrial Engine Specs: Maximum Power: 800 HP Maximum Torque: 2736 lb-ft @ 1300 rpm Rated Speed: 1800-2000 Minimum Power: 575 HP Bore: 5.7 in & Stroke: 7.2 in Displacement: 1104.5 in³ Compression Ratio: 16.0:1 Turbocharged-Aftercooled (TA / TTA) Caterpillar C18 Engine Rebuild Kits & Parts HDkits offers aftermarket Caterpillar C18 Engine Rebuild kits and parts which are essential in rebuilding and overhauling engine. We have Caterpillar C18 Pistons, Gaskets, Bearings, Injectors, Fuel Pumps, Oil Pumps, Water Pumps many other parts which are essential for CAT C18 engine performance and keep your machine running without any down time. Call Today our CAT Parts Specialists to order Parts you need for you C18 Caterpillar Engine or Order Online.