Foster 6NHP 4" Scale Agricultural Traction Engine (available in Imperial or Metric)                            

Length - 72"

Height - 43"

Track Front - 24 1/2"

Track Rear - 9"

Wheel Base - 41 1/2"

Front Wheel - 15 1/2" OD

Rear Wheel - 24" OD

Flywheel - 18" OD

Final Drive - 14"

Total Weight - 8.6 cwt approx

Working Pressure - 120 PSI

Cylinder Bore - 2 3/4"

Stroke - 4 1/8"

A very popular model which is relitively easy to build.

This engine is well proportioned and under working

conditions is capapble of pulling up to 7,000 kilos

over level ground. This model is based on the scaled down

version of the Foster Tration engine CT6708.