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A logging truck or timber lorry is a large truck used to carry logs. [1] Some have integrated flatbeds, ... The primitive trucks were improved in the 1920s and 1930s, ...
For company use, he began to invest in modifying and rebuilding surplus military vehicles and older logging trucks. One early invention, in association with an employee Ed Valentine, was the use of a drum brake not cooled by water. He lived in Morton, Washington during the 1930s, opening a logging company specifically for his mill. During his ...
Only four states limited truck weights, from a low of 18,000 pounds (8,200 kg) in Maine to a high of 28,000 pounds (13,000 kg) in Massachusetts. These laws were enacted to protect the earth and gravel-surfaced roads from damage caused by the iron and solid rubber wheels of early trucks. [2] By 1914 there were almost 100,000 trucks on America's ...
Linn tractors were used to haul freight beyond the ends of the rail lines on some Canadian power projects. [3] When the concept of rural snow plowing became accepted around 1920, Linn was one of the pioneers, with a v-plow and adjusting leveling wing design that was unmatched until better pneumatic tires, four-wheel-drive trucks and better highways appeared in the mid-1930s to plow highways on ...
The Lombard Steam Log Hauler, patented 21 May 1901, was the first successful commercial application of a continuous track for vehicle propulsion. [ 1 ] [ 2 ] [ 3 ] The concept was later used for military tanks during World War I and for agricultural tractors and construction equipment following the war.
Despite Anderson leaving the company, the trucks kept the Hayes-Anderson badging until 1934. In 1935, Hayes added diesel engines to their trucks; the first truck manufacturing company to do so. Throughout the late 1930s, Hayes was a distributor of British-made Leyland trucks, and the Leyland trucks supplemented Hayes' range of trucks. The ...
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During the 1930s, 40s and 50s it specialised in producing 4x4 forestry logging trucks. In 1972 it launched the 4x4 Unipower Invader suited to fire-fighting and construction use. Todd Motors in New Zealand produced the TS3 Commer Truck, in the early 1970s, with a Unipower tandem drive assembly as a factory option.