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3 inch scale Allchin agricultural engine - stock code 11801

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3 inch scale Allchin agricultural engine
3 inch scale Allchin agricultural engine
3 inch scale Allchin agricultural engine
3 inch scale Allchin agricultural engine
3 inch scale Allchin agricultural engine
3 inch scale Allchin agricultural engine
3 inch scale Allchin agricultural engine
3 inch scale Allchin agricultural engine
3 inch scale Allchin agricultural engine
3 inch scale Allchin agricultural engine
3 inch scale Allchin agricultural engine
3 inch scale Allchin agricultural engine
3 inch scale Allchin agricultural engine
3 inch scale Allchin agricultural engine
3 inch scale Allchin agricultural engine
3 inch scale Allchin agricultural engine
A 3 inch scale Allchin agricultural engine, built to the highly-regarded "Royal Chester" design by Bill Hughes, doubled up. It makes for a large engine in this scale, weighing in at close to a quarter of a ton and over four feet long.

The work of a retired railwayman and experienced model engineer - he also built the 5 inch gauge LNER B1 and Class 08 that we listed recently - the engine remains unsteamed from new.

Boiler is a commercially built job by the estimable John Rex, welded steel with expanded tubes.

The engine runs on air, the boiler - complete with manufacturer's documentation - has had a hydraulic test with new certification issued.

scale 3 inch
length/inches 50
width/inches 24
height/inches 36
weight/kg 233
wheel material steel
axlebox type plain bearing
cylinder material cast iron
valve type slide
valve gear Stephensons
reverser type pole
injector(s) 1
boiler number R 047 97
year built 1997
boiler maker John Rex Model Engineers
CE mark n/a - pre-2002
working pressure/psi 100
boiler type locomotive
boiler material steel
boiler construction welded, expanded tubes
hydraulic test valid to 7-Jan-2026
safety valve(s) 2
safety valve type Ramsbottom
mechanical pump 1
road speed(s) 2
differential yes