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Caterpillar's New 3516C Engine

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From Caterpillar Press Release R03PR06

Caterpillar Introduces New Low-Emission,
EPA Locomotive Tier 2 Certified, Diesel Locomotive Engine

New 3516C uses Cat Low-Emissions Technology To Meet Stringent EPA Requirements

Berlin, Sept. 19, 2006 -- Caterpillar has introduced a new low-emission diesel locomotive engine that has received EPA Tier 2 (40 CFR Part 92) certification. The new Cat® 3516C is a 69 liter (4,210 cu in) sixteen-cylinder, four-stroke, turbocharged and aftercooled diesel rated at 1,753 bkW (2,350 bhp).

“We currently have several of the new 3516C engines in operation with a major North American railroad,” said Tom Lawrence, global railway strategy leader for Caterpillar, “and this same low-emissions technical solution will be applied to our ongoing commitment to meet European Stage IIIA rail engine requirements due to take effect in 2008.

“All in all, the 3516C represents another major step in meeting the global rail industry’s requirements for cleaner, more efficient, diesel power plants across the board.”

The 3516C is one of four new Caterpillar engines announced at InnoTrans 2006. It is a new member of the renowned 3500 family and, with this latest version, is intended to meet ever-tightening emissions standards.

“The 3516C represents a major advance in railroad diesel design,” Lawrence said, “and much of the improvement can be attributed to the capability of the 3500 engine platform. The product represents Caterpillar's response to the global demand for cleaner, more efficient diesels as embodied in increasingly stringent regulations coming into effect in North America, Europe, and other parts of the world.

As part of the overall 3500C engine development program, Caterpillar developed new injectors, pistons, turbochargers, larger aftercooler, added a Cat ADEM™ A3 engine control module, new application specific engine software, and high efficiency crankcase ventilation system. The precise application of these individual elements has created an outstanding technical solution. The first units, in North America, will accumulate 16,000 operating hours, thus completing validation of all new components, systems and software and moving toward full production in October 2006.

"The 3516C introduced here today achieves or exceeds all design and customer goals, and marks a milestone in railroad power plants that ranks with the first diesel installed in the last century,” Lawrence said.

“Diesels have been the overwhelming choice of railroads since then, and we are sure the 3516C and the other Cat railway engines scheduled to follow will keep that trend intact.”

About Caterpillar

With 2005 sales and revenues of $36.339 billion, Caterpillar is a technology leader and the world’s leading manufacturer of construction and mining equipment, clean diesel and natural gas engines and industrial gas turbines. More information is available at www.cat.com.


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