I have a WD that I have gone thru the front bolster and believe it to be right. It steers pretty heavy. I have a early styled WC and the steering on it takes half the effort of the WD.
I have heard several old timers say that they farmed long and hard with both the WC and WD, and they complained that the WDs steered much harder than WCs.
I belive the whole bolster assembly can be swapped between the WD and WC, though I have not done that myself---YET.