CAT C18 Diesel Engine

CAT C18 diesel engine

CAT C18  engine(s)

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Model:
 C18
Rated Power (kW):
 429–597
Rated Power Speed (kW/rpm):
 1800–2100
Peak Torque Speed (N·m/rpm):
 1400–1600
Aspiration:
 Turbocharged & Aftercooled
Cylinder:
 6
Bore×Stroke (mm):
 145 x 183
Displacement (L):
 18.1
L×W×H (mm):
 1580×1050×1420
Weight (kg):
 1650–1850
Application:
 Mining equipment, genset, marine

Cat C18 Diesel Engine Spare Parts

Looking for spare parts for your CAT C18 diesel engine? Xunai Machinery supplies genuine and high-quality replacement parts for Cat engines — including pistons, piston rings, cylinder liners, crankshafts, connecting rods, gaskets, fuel injectors, fuel pumps, water pumps, oil pumps, turbochargers, bearings and full overhaul kits. Keep your C18 engine running with fast-shipping OEM-quality components at factory prices.

Browse all Cat spare parts Cat piston rings Cat cylinder liners Cat crankshafts Cat gasket kits

Interested in the CAT C18?

Send us your required quantity and application and we will reply with price, stock availability and lead time within one business day.

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CAT C18 Engine – Overview & FAQ

Caterpillar's C18 is a 6-cylinder, 18.1L diesel engine with a 145 x 183mm bore and stroke, turbocharged and aftercooled to deliver 429-597kW. Designed for the most demanding mining, generator set, and marine propulsion applications, it builds on Caterpillar's larger-bore engine architecture, offering high power density, strong torque backup, and the durability required for extended continuous operation in heavy industrial service.

Xunai Machinery supplies the full CAT C18 range, including C18. Contact us for the exact specification, availability and lead time of any model.

The CAT C18 diesel engine is commonly used for industrial, power generation, marine and vehicle applications. As a China-based manufacturer and exporter, Xunai Machinery ships CAT engines and genuine spare parts worldwide at competitive prices.

Yes. We supply a complete range of CAT spare parts – including piston rings, cylinder liners, crankshafts and gasket kits – for the C18 and other CAT engine series. Contact us for a quotation.

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