I agree in keeping with the original looks and function in some ways. My factory wd45 wide front power steering is bone stock and staying that way. My junk frozen wd45 rescued from 2 feet of mud and lord knows how many years of rust and neglect is very very far from stock.
As for which is better, I like em both but ,I hate to upset anybody, My junkyard wd45 with combine wheels/tires, 12 volt electrical, gleaner E motor, electronic MSD ignition etc..etc... starts 1000% easier, runs cooler, pulls harder, and will outwork my stock, pretty, 100% correct wd45 any day (and especially snowblowing)
I was simply answering the guys question about if combine wheels will fit. As for how AC made em at the factory, They did a great job but 50 years of progress and technology can make them even better if you can bear to make the changes.