Prototype Milw Rd gp-38-2

Im going to be modeling 3- athearn gp-38-2 Milw Rd locomotives in H.O. scale. If anyone has modeled these could you jot down some specific details and or part numbers of the parts you used to prototype them, thanks!

Try getting a copy of Model Railroader September 1995. http://trc.trains.com/Train%20Magazine%20Index.aspx?articleId=17506&view=ViewIssue&issueId=849

The hard part is cutting down the fuel tank to match the 1700 gallon size. Other wise, I think it is DW 106 beacon, DW 190 air horn, DW 155 front plow, 150 rear plow, and grab irons and lift rings and all the other normal detail parts.

thanks for the reply, as far as the fuel tank goes, in mm or inches, how much do i need to cut off?