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Minneapolis-Moline UB Diesel File Photo
( M-M UB Diesel File Photo )

A Brief History Of The
Minneapolis Moline
"U" Tractors

The Minneapolis-Moline U was the company's largest row-crop tractor in 1941 and was rated as a 3-4 plow tractor. It could be equipped with dual front wheels or a single front wheel. The U was also available as a standard-tread tractor. The transmission provided five forward speeds. The U developed 45.3 belt horsepower with its gasoline engine when tested at Nebraska in 1939 and 48.8 belt horsepower with its LP-gas engine in 1948. Both tests were corrected for temperature and barometric pressure.

In 1941, Minneapolis-Moline introduced a liquefied petroleum gas (LP-gas) engine for its model U series tractors and was the "first tractor manufacturer to do so." The 4-cylinder, 283-cubic-inch LP-gas engine with a rated speed of 1,275 rpm was built with the same 4.25-inch bore and 5.00-inch stroke as the gasoline engine. However, the compression ration was 6.8 to 1, instead of 5.4 to 1 for the gasoline engine. The Minneapolis-Moline engines were unique with the cylinders and heads cast in pairs and attached to the crankcase by studs.

Other tractor manufacturers soon followed Minneapolis-Moline's lead and began to offer LP-gas engines as an option. By the late 1950s and early 1960s, most tractor builders offered a choice of gasoline, diesel, or LP-gas engines. The Minneapolis-Moline G955 and G1355 were the last new models of MM tractors, being introduced in 1972, and they were available with a choice of 6-cylinder LP-gas or diesel engines.

Minneapolis-Moline pioneered the concept of the closed
cab farm tractor in 1938. The "U" models were
part of one of Minneapolis-Moline's
most popular tractor series.

The tractor was equipped with automotive features such
as an electric starter and a dashboard with a
speedometer, plus several firsts in a
tractor, including a heater,
cigarette lighter, wind-
shield wipers, and
a radio.

Minneapolis-Moline made the following
contributions to the agricultural
equipment industry.
  * First fully equipped factory installed cabs (UDLX)
  * First manufacturer to offer LP gas as a fuel option
  * First tractors to use the shift on the go transmission
  * First manufacturer to offer power front axle tractors
  * First manufacturer to offer 100 HP row crop tractors
  * First manufacturer to offer articulated FWD tractors

In 1963 Minneapolis-Moline became a wholly owned sub-
sidiary of White Motor Corporation who had al-
ready acquired Oliver and Cockshutt.

The Cockshutt and Minneapolis-Moline lines were blend-
ed into that of Oliver until there was virtually
no difference between them. AGCO
purchased White in 1991.

TTG Minneapolis-Moline User Forum Here
TTG Minneapolis-Moline  Serial  Numbers Here
TTG Minneapolis-Moline   Parts   Suppliers   Here
TTG Original Magazine  For All  M-M Enthusiasts Here

Destroyed then found M-M IT Experimental Tractor

Minneapolis-Moline NT Experimental Tractor

Note: Minneapolis-Moline info is limited, if anyone
has more accurate info that can be added
above, please send me a email at
Thank's, George

Our Research Source
Bret Green's M-M U Series, Old Tractor Pull'n WebPage (1998)
Tony Turner's Unofficial M-Moline, Old Informative Website (2004)
Jeremy Fiorelli's Twin City & M-M., Old Tractor Pull'n WebPage (2001)
TTG The Tractor Guys, Research Division, Western, Connecticut, USA

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