RJ Custom

Y400 Stirling Engine

Sale price Price $2,800.00 Regular price Unit price  per 

The Y400 Stirling Engine is designed to be an impressive display of mechanical artwork. It's intriguing piston arrangement compliments a stunning rocker beam display when the engine is in operation, while operating the engine's integrated self powered cooling fan. With using just 6 tea-light candles as fuel, this engine can operate uninterrupted for up to 4 hours due to water-cooling and an efficient design. 

These engines are made to order. Please fill out the contact sheet if you are interested in purchasing an engine , or have any additional questions about the engine, and we will get back to you.


  • Engine is made of 6061 billet aluminum/ fully CNC machined
  • Sealed/ greased stainless steel ball bearings (26 ball bearings total)
  • Water-cooled using distilled water and an integrated cooling fan
  • Engine never needs oiling due to Teflon sleeved bushings used for the displacer sleeves and power piston cylinders.
  • Stainless steel fasteners
  • Heat treated/ ground displacer shaft and power piston
  • Highly efficient gas ported phenolic displacer pistons
  • High temperature silicone o rings
  • Runs on 6 (4 hour variety) tealight candles, no alcohol burners needed
  • All engines are hand waxed
  • Fully assembled, tested, and ready to run
  • Manufactured in Canada


Large Flywheel: 1/2" x 6" diameter

Base Dimensions: 1" x 9 13/16” x 7 7/8"

Overall Height: 19 3/4”

Overall Width: 12"

Stroke: 1.100”

Weight: 30 lbs (without cooling water)