Caterpillar has introduced a new air compressor to the on-highway market. The Cat 270 is designed to provide cleaner air along with greater reliability, the company says, along with significantly less vibration and quieter operation than current models. The new air compressor is now available on the Cat C13 engine in selected chassis and will be available on all Cat engines in all chassis in 2007.

The Cat 270 uses two cylinders instead of one, said to result in better balance that delivers up to four times less vibration in selected chassis.

Noise is claimed to be up to a full two decibels lower than competitive models, resulting in a much more comfortable ride. The new Cat air compressor should provide up to twice the reliability of current air compressors, the company says.

Reliability and durability are said to be enhanced by a cast-iron piston that is stronger than the typical aluminum piston. Another advantage is that fewer parts and hardware are required to simplify the installation of the
compressor to the engine. The Cat air compressor has a high-strength forged steel crankshaft and heavy duty bearings.

The Cat 270 is also claimed to offer superior oil control, reducing oil carryover that degrades cleanliness of the air supply. Longer head bolts and the unique full-length water-cooled cylinder bores provide optimum clamp loading and cooler discharge air. These contribute to reducing bore
distortion and improving oil carryover.

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