Posted 11/6/2006 23:01 (#58737 - in reply to #58618) Subject: Re: differences between D and E series on big frame cats.
I don't think there are many if any. They both have elec fuel pumps and I also think the undercarriage pivots are tapered bearings in oil vs. bushings. The E cab is a little nicer, and the conditioner is superior compared to the B series, but I am not sure when that improvement was made.