I am working on the chain drive for this machine. I need the part number for the axle sprocket. It's the double sprocket in the middle of the bunk. Does anyone have a part book and can get me the part number?
Minnpar may be able to help... This was posted over at the AC forum, not too long ago. Its for an AC D grader(the grand-daddy of your grader), but may lead you to the correct manual... Oh, and Welcome to the forum! https://www.minnpar.com/partbooks/ALLIS-CHALMERS, CDS (CNH) MANUALS/MOTOR GRADER (ALLIS-CHALMERS) PARTS MANUALS/D PM #70667884.PDF
Part no. 70646974 Here are some for sale: https://www.machinerytrader.com/parts/search?page=1&partnumber=70646974&searchtype=starts-with