F2 Conversion

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       Hello,
          I am going to install a straw chopper on a F2 and get rid of the 2 belt system currently on the machine. It's a short back model and I am having a little bit of trouble finding the right chopper belt. Does anyone know the correct part number for the belt?

    Is there anything else I should do to the machine after installing the straw chopper? It's an older machine but everything else looks just like my other F2 and somewhat like my F3. I am going to change the cylinder bars to the high performance bars and was wondering if there are any other improvements that could be done.

  Thanks for any thoughts,  

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tractorman21 Members Profile Send Private Message Find Members Posts Add to Buddy List Bronze Level Joined: 17 Sep 2020 Location: Chesapeake, Va. Points: 31	Post Options Post Reply Quote tractorman21 Report Post Thanks(0) Quote Reply Topic: F2 Conversion Posted: 22 hours 18 minutes ago at 5:35pm
	Hello, I am going to install a straw chopper on a F2 and get rid of the 2 belt system currently on the machine. It's a short back model and I am having a little bit of trouble finding the right chopper belt. Does anyone know the correct part number for the belt? Is there anything else I should do to the machine after installing the straw chopper? It's an older machine but everything else looks just like my other F2 and somewhat like my F3. I am going to change the cylinder bars to the high performance bars and was wondering if there are any other improvements that could be done. Thanks for any thoughts,

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DrAllis Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Access Joined: 12 Sep 2009 Points: 22140	Post Options Post Reply Quote DrAllis Report Post Thanks(0) Quote Reply Posted: 22 hours 10 minutes ago at 5:43pm
	Improvements?? What crops ?? corn and soybeans are waaay different than cereal grains.

AC7060IL Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Joined: 19 Aug 2012 Location: central IL Points: 3579	Post Options Post Reply Quote AC7060IL Report Post Thanks(0) Quote Reply Posted: 21 hours 17 minutes ago at 6:36pm
	71136325 is chopper belt for 1977 F2 shortback sn 36201-39200. Speed up F2’s clean grain belly auger/grain tank elevator to accommodate aggressive cylinder bars increased threshing capacities. Could remove combine's right rear "Idler-Lower Chain" double sprocket (original 71147857 1977 F2). Once removed, use a grinder/torch to remove idler's outer sprocket (driver for clean grain auger/elevator) & weld on a larger diameter sprocket to increase clean grain auger/elevator driven speed by 200-300 rpms?? Or maybe call your AGCO parts person & inquire for availability of their "Idler -Lower Chain" 71151725 sprocket assy (Elev. speed up kit). Good luck as it may be NA? Anyway this kit part # is listed for the long back F2 (39201&up) in the 1978 parts book. To my knowledge, it was not listed for the short back 77' F2 parts book? If your AGCO parts person can locate one, I think it is a suitable replacement & correct fitment between F2 years?? AGCO online parts book does not show availability for 71151725, but does show availability for a 71151724 @ $143.64. Guessing that might be a sub for 71151725, but not sure?? Best to call your AGCO parts person & inquire. Edited by AC7060IL - 20 hours 23 minutes ago at 7:30pm

SteveM C/IL Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Access Joined: 12 Sep 2009 Location: Shelbyville IL Points: 8678	Post Options Post Reply Quote SteveM C/IL Report Post Thanks(0) Quote Reply Posted: 18 hours 31 minutes ago at 9:22pm
	My 78 F2 has that speedup sprocket on it. The elevator is a humming in corn! I made a large elevator drive sprocket to slow down clean grain in beans.