Ross ... 4 speed is Rugby 615 and 616.
407, 611, 612, 614, 618, 619 Durant and E-618 Fronty with straight cut gears. Not Constant Mesh.
E-618, E-670, 685 Fronty and 618 Durant with helical cut gears. Constant Mesh.
Only the 618 Durant could be both and could be 18 or 19 inch wheels.

Where Are You From? Ottawa Ontario Canada

Do You own a car built by Durant? 1932 614 sedan made by Dominion Motors