Photograph of a LeTourneau Sheep's Foot Roller, used to compact dirt.

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.

Photograph of a L-15908 tree roller. It was a diesel-electric machine designed to quickly push down and crush trees. This model was used in Tournavista, Peru, a mission town founded by the LeTourneau Foundation, the charitable arm of the company.

Photograph of a LeTourneau tree crusher, taken in 1959. It is unknown where the photograph was taken.

Photograph of a double-jointed log stacker in action. Location is unknown.

Photograph of iron ingots being melted at the rolling mill, likely in Longview, Texas.

Photograph of double jointed log stacker. Location unknown.

Photograph of a LeTourneau transporter with a log bunk. The original unit was built in 1955, according to author Eric Orlemann.

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.

Photograph of a LeTourneau Model C-6 Transporter carrying a tree roller. The transporter had six electric drive wheels and a load capacity of 35 tons, according to Eric C. Orlemann

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.

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.

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.

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.

Photograph of AN A34 tree crusher with hexagon shaped wheels at Stumpy Point.

Photograph of the Series "G" Tree Crusher No. 5 model. According to Eric Orlemann, this unit had its two diesel-electric generator sets mounted side by side. The inscription on the side of the cab reads "LeTourneau Tree Crusher. Made by Mississippi Division of R.G. LeTourneau, Inc., Longview, Texas.

Photograph of a Logistical Cargo Carrier (Series LCC-1) at some type of exhibit of military vehicles and aircraft. According to author Eric Orlemann, the U.S. Army Transportation Corps requested the LCC-1 to re-supply the radar stations along the DEW (Distant Early Warning) Line. Length of the train was 173 feet with a maximum rated 45-ton payload capacity.

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.

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.

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.

Photograph of LeTourneau transporter being put through its off-road tests. Its six wide tires made it especially well-suited for very sandy environments, such as deserts.

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.

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.

Photograph of a Series "F" Log Stacker, called by Eric C. Orlemann "the most efficient log loading solution for the timber industry."