Cummins Diesel Engine for QSX15 series Cummins QSX15 development of a new engine for the 21st century, with dual overhead camshaft design, can produce greater traction and braking force. The patented turbo system variable output, can output more power at higher engine speeds at lower speed increases the engine's intake air, improve the response characteristics of the system. The use of advanced in-cylinder combustion technology, the QSX engine is not only in line with European non-highway mobile equipment Phase III emission standard (Tier 3), and has for the fourth stage of emission (Tier 4) technology platform. QSX engine widely used in a variety of applications in the field of construction machinery, agriculture, mining and airport ground support equipment (such as aircraft tractor) and the like. Sales of imported Cummins engine QSX15