Tractorium
Tractorium, plenius automatum tractorium vel tractorium automatum, sive machina tractoria, est vehiculum rusticum et genus machinarum, quum onera machinis pertrahuntur aut ad altitudinem sublata collocantur. Agricola eo usus carros trahit et aratrum, sementim facit atque messim.

Olim tractoria vi vaporica impellebantur, nostra autem aetate motro dieselico. Abhinc annos centum, tractorium trahendi vi quinque vel etiam decem equos, nostra autem aetate plus quam centum equos aequat.

Societates tractoria fabricantes

Haec sunt nomina societatum quae tractoria fabricant:
David Brown Ltd.
 John Deere
 Lamborghini
 Massey Ferguson
 Shandong
 Sonalika
 Ursus
 Zetor

Notae

Bibliographia
Ertel, Patrick W. 2001. The American Tractor: A Century of Legendary Machines. Osceolae Visvonciniae: MBI. ISBN 978-0-7603-0863-9. Google Books.
Klancher, Lee, Randy Leffingwell, Andrew Morland, et Robert N. Pripps. 2003. Farm Tractors. Osceolae Visconsiniae: Crestline (impressio MBI). ISBN 978-0-7603-1776-1. Google Books.
Leffingwell, Randy. 2004. Ford Farm Tractors. Motorbooks Classics Series. Osceolae Visconsiniae: MBI. ISBN 978-0-7603-1919-2.Google Books.
Miller, Orrin E. 2003. "John Froelich: The Story of a Man and a Tractor." In The John Deere Tractor Legacy, ed. Don Macmillan. Voyageur Press. ISBN 978-0-89658-619-2. Google Books.
Pripps, Robert N., et Andrew Morland (photographus). 1993. Farmall Tractors: History of International McCormick-Deering Farmall Tractors. Farm Tractor Color History Series. Osceolae Visconsiniae: MBI. ISBN 978-0-87938-763-1. Google Books.
Rumeley, Edward A. 1910. "The Passing of The Man with the Hoe." World's Work 20 (Augustus): 13246–13258. Google Books.

Nexus externi

Messis
Vehicula