Profile: Cummins West, Inc. is a distributor of cummins and onan products. We specialize in pollution control products. We offer customers emission control technology, product design, testing, application engineering and deployment services. Our products include engines, power generation and filtration products. We market a complete line of diesel and natural gas-powered engines for on-highway & off-highway use under the Cummins brand. Our fleetguard branded advanced integrated filtration systems are used in a wide variety of applications including on-highway heavy and medium duty trucks, stationary power units & industrial equipment, including construction, mining, agriculture and marine.