Caterpillar Inc. (Caterpillar) is a manufacturer of construction and mining equipment, diesel and natural gas engines, industrial gas turbines and diesel-electric locomotives. The Company operates in two segments: Machinery and Power Systems, and Financial Products. Machinery and Power Systems represents a total of Construction Industries, Resource Industries, Power Systems and All Other segments and related corporate items and eliminations. Financial Products includes the Company�s Financial Products Segment. This category includes Cat Financial, Caterpillar Insurance Holdings Inc. (Cat Insurance) and their respective subsidiaries. In October 2011, the Company acquired MWM Holding GmbH (MWM). On July 8, 2011, the Company acquired Bucyrus International, Inc. (Bucyrus). Effective March 1, 2012, the Company announced that Caterpillar Japan Ltd. (Caterpillar Japan) acquired Caterpillar Tohoku Ltd. (Cat Tohoku).