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The Big Plow with Disc 6 foot J5G, Photo 36, L-8307,

Description: Photograph of what was unofficially called The Big Plow with a 6-foot disc. The Series H (Model 6-16) was introduced in 1955, according to, Eric C. Orlemann's book on LeTourneau earthmoving equipment.
Date: August 15, 1955
Creator: R.G. LeTourneau, Inc.
Partner: LeTourneau University Margaret Estes Library

An R. G. LeTourneau, Inc. employee demonstrates the Tournatow by driving up sidewalk steps J5G

Description: Photograph of an employee of R.G. LeTourneau, Inc., at the controls of the Tournatow, the first vehicle to feature electric-traction motors mounted in the wheel assemblies themselves. The four-wheel-drive and -steer tractor is being demonstrated at the Edgewater Beach Hotel in Chicago, Illinois, on 1950-11-17.
Date: November 17, 1950
Creator: R.G. LeTourneau, Inc.
Partner: LeTourneau University Margaret Estes Library

Tree Roller J5G, Photo 5, L-5954

Description: Photograph of a tree roller that was 20 feet wide and weighed 150 tons, being used in the jungles of the Amazon in Peru, where the LeTourneau Foundation created a mission town called Tournavista.
Date: 1950s
Creator: R.G. LeTourneau, Inc.
Partner: LeTourneau University Margaret Estes Library

Tree Crusher, P0U,P-10-34, L 15908

Description: Photograph of a LeTourneau tree crusher, taken in 1959. It is unknown where the photograph was taken.
Date: January 1, 1959
Creator: R.G. LeTourneau, Inc.
Partner: LeTourneau University Margaret Estes Library

Log Stacker, P0U, P-10-34, L 8226

Description: Photograph of a LeTourneau log stacker. The log stacker was introduced in 1955 (the date of this photograph) as its first diesel-electric drive Series "F" Log Stacker, Model C-4, according to Eric Orlemann. It had a rear-mounted engine and all electric wheel drive. This would serve as a basic pattern for all stackers to be built by the company into the 1980s.
Date: July 29, 1955
Creator: R.G. LeTourneau, Inc.
Partner: LeTourneau University Margaret Estes Library

Tree Roller 20 foot wide 150 Ton, J5G, Photo 1, L-3835

Description: Photograph of a Series "G" Tree Crusher manufactured at the Vicksburg plan. Author Eric Orlemann said this model was 20 feet wide and weighed 150 tons.
Date: 1956
Creator: R.G. LeTourneau, Inc.
Partner: LeTourneau University Margaret Estes Library

Log Stacker, Double Jointed J5G L-13578

Description: Photograph of a double-jointed log stacker in action. Location is unknown.
Date: September 1, 1957
Creator: R.G. LeTourneau, Inc.
Partner: LeTourneau University Margaret Estes Library

Landing Craft Retriever Archive LT20

Description: Photograph of the Series MA-31 Landing Craft Retriever, essentially a large mobile gantry crane structure, mounted on electric-drive wheels with 120-inch diameter tires. Built in November 1954 for the US Army, it was designed to retrieve beached or capsized amphibious landing craft. Only one LCR was tested by the military. (Eric C. Orlemann, LeTourneau Earthmovers)
Date: 1954
Creator: R.G. LeTourneau, Inc.
Partner: LeTourneau University Margaret Estes Library

Landing Craft Retriever Lt8-55017-5-298

Description: Photograph of the Series MA-31 Landing Craft Retriever, originally completed by LeTourneau in November 1954. It was ordered by the U.S. Army, and only one was ever built. Its main mission was to drive into deep surf and retrieve beached or capsized amphibious vehicles, according to author Eric Orlemann.
Date: September 8, 1955
Creator: R.G. LeTourneau, Inc.
Partner: LeTourneau University Margaret Estes Library

Landing Craft Retriever Lt8-56132-6-27

Description: Photograph of the Series "MA-31" Landing Craft Retriever built for the U.S. Army by LeTourneau. It was the only LCR ever built, according to author Eric Orlemann. Its main mission was to drive into deep surf and retrieve beached or capsized amphibious vehicles.
Date: September 1, 1955
Creator: R.G. LeTourneau, Inc.
Partner: LeTourneau University Margaret Estes Library

Transporter, off-road,with log bunk

Description: Photograph of a LeTourneau transporter with a log bunk. The original unit was built in 1955, according to author Eric Orlemann.
Date: November 1, 1956
Creator: R.G. LeTourneau, Inc.
Partner: LeTourneau University Margaret Estes Library

Sheep's Foot Roller

Description: Photograph of a 1959 version of the LeTourneau Sheep's Foot Roller, used to compact dirt. The original version was built in 1929, according to Eric. C. Orlemann.
Date: May 1, 1959
Creator: R.G. LeTourneau, Inc.
Partner: LeTourneau University Margaret Estes Library

Model C-6 Transporter, off-road

Description: Photograph of a Model C-6 Transporter demonstrating its off-road capabilities. The Transporter was powered by a large 300-hp Buda Super Diesel engine, according to author Eric Orlemann. Its generator provided power to electric traction motors in all six wheels. Its load capacity was 35 tons.
Date: April 6, 1956
Creator: R.G. LeTourneau, Inc.
Partner: LeTourneau University Margaret Estes Library

Tong crane, P0U,P-10-34, L 11229

Description: Photograph of a LeTourneau tong crane picking up an automobile as a man watches. The inscription on the front of the crane indicates the photograph was taken in Longview, Texas, which was the primary plant and headquarters of the company by 1956.
Date: August 1, 1956
Creator: R.G. LeTourneau, Inc.
Partner: LeTourneau University Margaret Estes Library

Spar, mobile, P0U, P-10-34, L 11431

Description: Photograph of the Series 90-S Mobile Spar. According to author Eric Orlemann, "the Mobile Spar was a diesel-electric transporter equipped with a folding 130-foot guy wire tower." It was built for hauling lumber up steep slopes. Only one unit was built and sold to a lumber company in McCall, Idaho.
Date: September 1, 1956
Creator: R.G. LeTourneau, Inc.
Partner: LeTourneau University Margaret Estes Library

Tong Crane, Log Loader P0U,P-10-34, L 11455

Description: Photograph of a Series "R" Log Loader, according to information from author Eric Orlemann. It was designed to load logs onto trucks for transit. Only three Series "R" Log Loaders were listed as being built.
Date: September 1, 1956
Creator: R.G. LeTourneau, Inc.
Partner: LeTourneau University Margaret Estes Library

Log stacker tong on Series "F" Log Stacker (Model C-4)

Description: Photograph of the tong on Series "F" Log Stacker (Model C-4) shown picking up a log. According to author Eric Orlemann, LeTourneau got into the log-stacking business after selling the original company to Westinghouse in 1953 and agreeing not to build earthmoving equipment for five years. It proved to be highly successful. The log stackers were used all over North America as well as overseas.
Date: October 1, 1956
Creator: R.G. LeTourneau, Inc.
Partner: LeTourneau University Margaret Estes Library
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