are the fenders on the one ton bigger then the half ton? and if they are where can you get replacements?one's I havefound on supply sites only referance 150 or 250 models , and I am running 17 inch tyres ..anyone have a spare fender?

hi there .. new here an' figgered id say hello ..my newest to me ford is a 54 ' F-350 4x4with a 68 Ranchero GT 93 e350 96 e 350 to keep her company ,,that and a 87 f350 in the barn with the 65 T-bird ..I will be lookin' for fenders for the 54' an places to drive to..this an' a bunch of...