Cummins Inc. designs, manufactures, distributes and services diesel and natural gas engines and engine-related component products. The Company's segments include Engine, Distribution, Components and Power Systems. The Engine segment manufactures and markets a range of diesel and natural gas powered engines under the Cummins brand name, as well as certain customer brand names, for the heavy and medium-duty truck, bus, recreational vehicle (RV), light-duty automotive and agricultural markets. The Distribution segment consists of the product lines, which service and/or distribute a range of products and services, including parts, engines, power generation and service. The Components segment supplies products, including aftertreatment systems, turbochargers, filtration products and fuel systems for commercial diesel applications. The Power Systems segment consists of businesses, including Power generation, Industrial and Generator technologies.