Great Lakes Diesel of Buffalo, New York is the only Hi-Performance Diesel Engine Shop in North America specializing in Hi-Performance Caterpillar® engines. We build blueprinted high horsepower 3406, C-15, C-16 and C-18 ACERT turbo charged Caterpillar® engines. One of our specialties are building Hi-Performance Caterpillar® engines for competition and tractor pulls. Our shop is completely equipped with state-of-the-art machinery and fully trained technicians capable of building your entire engine under one roof.