I have run a 94 R62 beside a 98 R72 with the M11 the difference is night and day between the 2.The 62 has the big duetz,which had more guts then the 62 with the cummins.But it was no match for the R72,It is rated at 330.The big cylinders on the throat,return to cylinder and heavy finals,are all part of the Custom Harvester package. Illinois Gleaner