Tasker chain tractor – about the model

The Tasker chain tractor is especially interesting for those with a bit more modeste machining capacities for a 6″ range traction engine:

Tasker flywheel dia is 15.5″
Rear wheel dia is 29.25″
front wheel dia is 20″
low preasure cylinder bore 3.5
high preasure cylinder bore 2.5″