Big Traction Engines, Little Traction Engines

A compilation of several steam powered traction engines: a full-size wood-fired 1905 Best, a 5" scale coal-fired 1887 Russell Massillon, a 3" scale propane-fired 1920s Case, and 1" scale 1920s Mason operating on compressed air.
If you enjoy this, also check out "Big Shays, Little Shays"