29
/it/
it
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
Creare
Public Timelines
Biblioteca
FAQ
For education
Cabinet
For educational institutions
For teachers
For students/pupils
Scaricare
Export
Creare una copia
Integrare nel sito Web
Modificare
Visualizzazioni 452
0
0
Tractor timeline
è stata creata
Cole
⟶ è stato aggiornato 9 ott 2017 ⟶
List of edits
Commenti
Periodi
First steam tractor invented by William Tuxford in 1839
Nikolaus August Otto invents the four–stroke petrol engine in 1885
Hart–Parr company in Charles City, Iowa is the first to manufacture tractors under industrial conditions in 1902.
The Holt company (USA) begins production of its “Caterpillar” series of caterpillar track tractors in 1908
Minneapolis–Moline builds the first “Twin City 16/30” with electric starter motor and headlights in 1917
Harry Ferguson (Ireland/Canada/USA) develops the three–point linkage for optimum power transmission from the tractor to the plough in 1922
the first tractor with four–wheel drive: the “Lanz Bulldog HP” in 1923
Invention of the “Farmall” root crop tractor in the USA with its close–positioned front wheels (three–wheeled tractor) in 1924
Harry Ferguson (England/Canada/USA) develops the hydraulic lifting system which allows the tractor attachments to be lifted and lowered easily in 1935
The Minneapolis–Moline UDLX tractor is fitted with an all–steel cab, instrument panel, glazed windows, windscreen wipers, passenger seat, heating and radio in 1939
Allis–Chalmers builds the innovative WD–45 tractor with powershift transmission, a second transmission system for a constant power supply, hydraulic system, automatic tractive resistance control in 1953
International Harvester introduces a hydrostatic drive for tractors in 1967
Valmet (Finland) introduces the first tractor with dually tires for better weight distribution on the soil.