Thanx Kalle for checking in.
And thanx Steve for the clarificiation.
No doubt I was that far off Colin, to be out 2mm looking at it cockeyed in dimlight.
Kalle and I have the same model with the only difference being cosmetic; his is 12th scale bodied 470 Hitachi, mine is a 14th scale 850 John Deere, Jammer has a 12th scale 450 JD.. everything else is the same.
Crowding & stability should be much better for sure with bigger tires & more weight. Breakout force however is of no existence in this small scale, not enough weight or power to do anything more than work with cultivated material.