Track Marshall was a brand of earthmoving equipment who were active during WWII

World War II

World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

 building tank

Tank

A tank is a tracked, armoured fighting vehicle designed for front-line combat which combines operational mobility, tactical offensive, and defensive capabilities...

s. Later, they produced a range of crawler tractors, based on the wheeled tractor Field Marshall brand. In 1956 the first Track Marshall bulldozer

Bulldozer

A bulldozer is a crawler equipped with a substantial metal plate used to push large quantities of soil, sand, rubble, etc., during construction work and typically equipped at the rear with a claw-like device to loosen densely-compacted materials.Bulldozers can be found on a wide range of sites,...

 model was introduced and later the Challenger 3 followed by the Challenger 33, the TM55 and also the successful six cylinder TM70 (probably equivalent to a Caterpillar D5

Caterpillar D5

The Caterpiller D5 is a small track-type bulldozer manufactured by Caterpillar Inc. The original D5 series was only produced in 1939. The current D5 series being produced is the D5K.-Versions:* D5 was originally built in 1939, with only 46 built...

). They also built the TM 955 track loader (a drott) and also a range of rubber tracked bulldozers. The company was in business for some 50 years, eventually closing in 1990 after new machines replaced older technology.