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3 inch scale Allchin traction engine - stock code 8709

A 3 inch scale Allchin agricultural engine. Scaled up from the popular "Royal Chester" design, it makes a large engine in this scale.

Re-boilered in 2013 with a new CE-marked boiler from TRS Boiler Makers, it's come in as part exchange against a 4 inch scale engine.

In recent use, the boiler has club history, as well as recent hydraulic and steam test with certification for same.

scale 3 inch scale
length/inches 54
width/inches 24
height/inches 35
weight/kg est 230
wheel material cast iron flywheel 14 inch diameter
cylinder material cast iron
valve type slide
valve gear Stephensons
reverser type pole
governor type Pickering
lubricator type mechanical
injector(s) 1
boiler number TRS 143/12
year built 2013
boiler maker TRS Boiler Makers
CE mark yes
working pressure/psi 100
boiler type locomotive
boiler material steel
boiler construction welded, expanded tubes
hydraulic test valid to 10-Nov-2021
steam test valid to 14-Jan-2021
safety valve(s) 2
safety valve type Ramsbottom
mechanical pump 1
hand pump 1
whistle chime type
road speed(s) 2