Lombard Steam Log Hauler

Lombard Log Hauler #38, built ca. 1910, restored in 2014 by the University of Maine Mechanical Engineering Technology class of 2014 and the Maine Forest and Logging Museum.
A restored Lombard steam log hauler at Clark's Trading Post in Lincoln, New Hampshire

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.

  1. ^ Alvin O. Lombard, Logging Engine, U.S. patent 674,737, granted May 21, 1901.
  2. ^ Alvin O. Lombard, Log Hauler, U.S. patent 854,364, granted May 21, 1907.
  3. ^ Auman (1984) p.99