Types of engines manufactured by Caterpillar include industrial diesel engines, gas compression engines and commercial propulsion engines. Caterpillar's industrial diesel engines are used in fields such as construction, agriculture, forestry, material handling and mining.
Gas compression engines by Caterpillar are used in offshore drilling, well servicing and land production. Gas compression engines are either variable-speed, constant-speed or set by a generator module.
Caterpillar's commercial propulsion engines are utilized in marine applications including cruise ships, fishing boats, ferries, tugboats and government water boats. Each commercial propulsion engine is emission-tested to meet EPA, EU IW or IMO standards, based on model type.