540/1000 RPM PTO Shaft
CTPA-70260704 Replacement Part to Fit:  Allis-Chalmers For Models: 175, 180, 7000, 185 SN 12525-> NOTE: Center mounting ring is 5.750" diameter, w/ 6 bolt holes inner & outer. Dim/Info: 7.875" long  Price:  $185.64  Buyers Club Price:  $167.08