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3 inch scale Suffolk dredging tractor - stock code 9717

A 3 inch Suffolk dredging tractor to the John Haining design. We last sold this one in 2011, it's recently come back in as part exchange against a 4 inch scale agricultural engine.

The engine has had hydraulic and steam tests in recent days with new certification issued. Overall it's in good order - there's some video of it running around outside the works earlier in the week here.

Currently fitted with something between a drip feed and displacement cylinder lubricator, we'd be tempted to swap it for a more positive acting mechanical job - the one fitted is a bit "all or nothing".

The quirky looks of the design belie its free-steaming nature and very capable performance, both on hard surfaces and grass - we've sold several over the years, always been impressed by the way they go.

scale 3 inch
length/inches 38
width/inches 21
height/inches 30
wheel material steel
axlebox type plain bearing
cylinder material cast iron
valve type slide
valve gear Stephensons
reverser type pole
lubricator type displacement
boiler number 90ST2
year built 1989
boiler maker Himex Engineering Ltd
CE mark n/a - pre-2002
working pressure/psi 100
boiler type water cross tube yorkshire
boiler material steel
boiler construction all welded
hydraulic test valid to 28-Jan-2023
steam test valid to 4-Sep-2022
safety valve(s) 1
safety valve type spring
mechanical pump 1
hand pump 1
whistle yes
road speed(s) 2