HMC 35 (1931 H. K. Porter 0-4-0CA) @ Lead SD (1996)

            HMC 35 was purchased in April, 1931, construction number 7201, from the H.K. Porter Company of Pittsburgh, Pennsylvania. This 18" gauge locomotive had 6x10 cylinders, a 36" wheelbase and weighted 5 tons. This locomotive is powered by compressed air. The large air tank capacity is approximately 70 cubic feet of air at 1000 psi.  The air is released via the throttle to the pistons which drives the wheels, similar to a steam engine. 

This locomotive was in service on the Homestake Tramway hauling ore from the Homestake shafts to the Homestake mills. It was filled from a large stationary air compressor located on the Tramway.

Taken in: United States / South Dakota / Lead / Lead (show map)

Taken on: August 2, 1996

Tags:

HMC 35

1931 H.K. Porter

compressed air locomotive

Lead SD

8-2-1996

scanned slide

Kodachrome 64

cn 7201

Homestake Mining Company « less

Sets appears in: • H. K. Porter Locomotives • If it can't be GROWN, it must be MINED

Groups appears in: • Mines & Mining • Industrial Railways more » • Gold & Silver Mining • Rinky Dink Industrial Switchers • Mining Heritage • Critters - Industrial Locomotives « less

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