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5 inch gauge Polly IV - stock code 5688

A Polly IV, the six-wheeled tender engine version of the design.

Silver soldered copper boiler, 90 psi working pressure, feed by injector, axle and hand pumps. Cast iron cylinders with slide valves actuated by Stephenson's gear with pole reverser in the cab, mechanical lubricator.

Hydraulic test @140psi for 90psi working pressure 27-Nov-2012
Steam test 27-11-2012

Length 37 1/2 inches
Width 10 inches
Height 17 inches
108 pounds

Length 20 inches
Width 10 inches
Height 9 1/2 inches
31 pounds

gauge 5 inch