The locomotives had bar frames and used Stephenson valve gear.
Their locomotives used either diesel or similar internal combustion engine designs.
He found that Fletcher's locomotives, although good, did not use standardised components.
The locomotive, named for Wells, used 12 tons of power to push, rather than pull, cargo up the hill.
Early locomotives used simple valve gear that gave full power in either forward or reverse.
The locomotives used an unusual design: the buffers are attached to the wheel assembly instead of the main body.
Also a locomotive that worked until 1960 and a truck used in the Chaco War.
Narrow-gauge locomotives used it, as did the smaller standard gauge models.
Their larger locomotives used a range of boiler designs, but all with water-tubes.
Fifteen locomotives were converted for freight only use, numbered in the 85/1 series.