The C7 Caterpillar engine is a major industrial diesel engine, and one that can be found in a great number of vehicles. The Caterpillar Company is known for making major industrial engines and equipment ranging from forklifts to bulldozers. The engines powering these major machines should only be worked on by experienced professional mechanics who know how these engines work.
The basic C7 engine features an in-line six-cylinder and four-stroke diesel engine. The C7 model sets up as a turbocharged engine, and the official compression ratio comes in at an impressive 16.5:1. The cooling system holds 3.5 gallons, while the lube oil system holds 5.5 gallons to ensure everything runs smoothly. These heavy engines weigh over half a ton with the flywheel, coming in at 587 Kilogram according to company specifications.
Certain models of the C7 Caterpillar engine come with accessories built in, which leads to the "same" engine models having different setups and appearances. Common accessories to this engine model include gear-driven air compressors, automatic transmission adaptors, fan drives, fuel priming pumps and flywheels. Some of the most common C7 engine setups will include some of these accessories, which is part of the reason only experts trained in maintaining C7 Caterpillar engines should work on them.
Sometimes, an engine is believed to be a C7 Caterpillar, but it is actually the Advanced Combustion Emissions Reduction Technology (ACERT) model of the same engine. Engines that are based around the trademarked ACERT designs boast of being environmentally friendly, especially in regard to emissions laws and standards. These engines were designed specifically to meet any new possible standards or restrictions for emissions from heavy or off-road vehicles, and are EPA approved.
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