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5 inch gauge "Ajax" 0-4-0T - stock code 12728

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5 inch gauge "Ajax" 0-4-0T
5 inch gauge "Ajax" 0-4-0T
5 inch gauge "Ajax" 0-4-0T
5 inch gauge "Ajax" 0-4-0T
5 inch gauge "Ajax" 0-4-0T
5 inch gauge "Ajax" 0-4-0T
5 inch gauge "Ajax" 0-4-0T
5 inch gauge "Ajax" 0-4-0T
5 inch gauge "Ajax" 0-4-0T
A 5 inch gauge 0-4-0T to Dick Simmonds' post-war "Ajax" design, for many years a popular choice for club running.

An older engine, the boiler has had hydraulic and steam tests with new certification issued - on test it proved free steaming, maintaining pressure on the rolling road without need of the blower.

The injector worked well, with slight overflow; the hand pump proved effective. Safety valves lift reliably, although sometimes needing a light tap with the shovel to reseat.

Offered as a running restoration, the bottom end is coming up to needing a light overhaul, with some rebushing required.


gauge 5 inch
length/inches 29
width/inches 10
height/inches 16
weight/kg 48
wheel material cast iron
axlebox type plain bearing
cylinder material cast iron
valve type slide
valve gear Walschaerts
reverser type pole
injector(s) 1
boiler number N280174
year built 1986
boiler maker non-commercial
CE mark n/a - non-commercial
working pressure/psi 80
boiler type locomotive
boiler material copper
boiler construction silver soldered
hydraulic test valid to 12/Mar/29
steam test valid to 19/May/26
superheater(s) 3
superheater type flue tube
fusible plug no
safety valve(s) 2
safety valve type spring
mechanical pump 2
hand pump 1