Parts catalog 3rd Johndeere: 840617000 3RD GEAR (52T) -......................P. 1245 - 10/10 JohnDeere 840782400 3RD GEAR (60T) -......................P. 1245 - 10/10 JohnDeere 841062100 3RD GEAR (55T) - P. 1245 - 10/10 JohnDeere :