Foster 3" Scale Traction Engine (available in Imperial or Metric)                            

Length - 55"

Height - 33"

Track Front - 18 3/8"

Track Rear - 21 3/4"

Wheel Base - 31 1/8"

Front Wheel - 11 5/8" OD

Rear Wheel - 18" OD

Flywheel - 13 1/2" OD

Final Drive - 10.1/2"

Total Weight - 6.5 cwt approx

Working Pressure - 120 PSI

Cylinder Bore - 2 1/16"

Stroke - 3 3/32"

Scaled down from our successful 4-inch scale engine.

Suitable for the beginner or experianced alike.

Introduced into our range of engines in 1999 this engine

is proving popular for those who want a smaller engine.