Sold November 2025 Back to Archive

Stuart S50 mill engine - stock code 12659

A Stuart S50 mill engine with displacement lubricator, well made and nicely painted.

It runs well on air, with negligible runout of the flywheel and light wear apparent in bearings.

Includes free UK shipping.

length/inches 9
width/inches 5
height/inches 4
weight/kg 1 1/2
wheel material cast iron
cylinder material gunmetal
valve type slide
valve gear single eccentric
lubricator type displacement