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Caterpillar has unveiled the Cat C32B diesel engine, a re-engineered power platform designed to deliver higher power density and improved durability for large off-highway equipment, including cranes.
The 32.1-liter, 12-cylinder engine is now available at Cat dealers worldwide. It offers up to 1,200 horsepower (895 kilowatts) and 4,323 pound-feet (5,861 newton-meters) of torque for U.S. EPA Tier 4 Final, and 1,125 horsepower (839 kilowatts) with 4,056 pound-feet (5,499 newton-meters) for EU Stage V. In less regulated territories, it delivers a peak rating of 1,350 horsepower (1,007 kilowatts) and 4,548 pound-feet (6,166 newton-meters).
“For nearly 20 years, the Cat C32 engine platform has set the standard for premium power and endurance in construction, mining and other industrial applications,” said Steve Ferguson, senior vice president of Caterpillar Industrial Power Systems. “The new Cat C32B builds on this field-proven reputation with a series of upgrades and new technologies that will drive the superior performance of off-highway equipment for years to come.”
Updates to the C32B include a stronger cast-iron block, induction-hardened crankshaft, larger bearing journals, an upgraded lubrication system and redesigned cylinder head components. The improvements enhance engine reliability and extend rebuild intervals, supporting demanding lifting operations.
The C32B also features a dual-can diesel oxidation catalyst (DOC) aftertreatment system designed to reduce operating costs by eliminating diesel exhaust fluid (DEF) requirements. Flexible mounting options simplify installation for OEMs.
