Blomberg B
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The Blomberg B was a "B" diesel locomotive truck. These trucks were the standard EMD truck from the FT up until the Dash 2 line. EMD introduced the truck in 1936. Unofficially it is named after Martin Blomberg, who joined the company the year before. The truck is a modified six wheel truck for use starting with the FT, described in U.S. Patent 2,189,125, filed January 29, 1938, and approved February 6, 1940. Blomberg trucks can be identified by their prominent outside swing hangers, which afford a better ride during side-to-side movement. The outside placement has the advantage of widening its spring base from 56 inches to 96 inches (1422 mm to 2438 mm).
An M version of the truck was used starting with the four-axle Dash 2 series locomotives. This had only one brake cylinder per side and one brake shoe per wheel. A hydraulic snubber was used in place of the other cylinder. The leaf springs were replaced with rubber pads.
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