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4 inch scale Dodman SCC traction engine - stock code 6312

A professionally-built 4 inch scale Alfred Dodman single crank compound agricultural engine. Completed in March 2010, the engine has had little, if any use from new - the rubber tyres look to have spent more of their time on a trailer than on the road, the engine has yet to have its first steam test.

Steel CE-marked boiler by the estimable AJB Engineering, expanded steel tubes, 170psi working pressure. Feed by injector and mechanical pump, water lifter on tender. The tender has a removeable plate in the man stand allowing for fast filling and cleaning out, a good idea on any engine. Cast iron cylinder slide valves actuated by Stephenson's gear with pole reverser. Mechanical lubricator, belt driven governor.

Four shaft, two speed transmission with differential, winch drum behind nearside rear wheel with fairleads on tender.

Rather lively on the road, with a hot rod top gear for those inclined to get along quickly rather than admiring the scenery. There's a clip of Harry braving the elements this afternoon here - quite likely the first time the engine's ever seen rain. He set off shortly after an epic hail storm which thundered on the roof of the workshop, his last words "I may be some time".

We will miss him...

Boiler serial number 139
Manufacturer's hydraulic (shell) test @380psi, 6-Mar-2009

scale 4 inch