If you don’t mind my opinion, I think @spikeyxxx has the correct position with the wheels and axle.
This is top view from master assembly file:

If the tyres are moved over to @duerer ‘s wheel we will have a collision with the fenders and the tyres with @blanchsb ‘s loader arms, and they are already tight with the engine enclosure.
and the fenders at the rear also match the position of @spikeyxxx ‘s tyres:

Sorry @duerer , I also have another issue with the rear axle.
I was able to adjust the height of the chassis over your axle where it will attach, but I can’t move in the x-axis without more collisions with almost everyone’s parts.

But the good news is I have sized and aligned the driveshaft with your axle.
