MARTIN TRACTOR IS OFFERING THIS 2016 JOHN DEERE S670. SOME OF THE MAIN OPTIONS INCLUDED ON THIS COMBINE INCLUDES THE FOLLOWING: 2WD, PREMIUM CAB, AIR SUSPENSION SEAT, PREMIUM RADIO, GEN 3 COMMAND CENTER, INTERACTIVE COMBINE ADJUST, THREE SPEED TRANSMISSION, 22.5' UNLOAD AUGER, 520/85R42 FRONT DUALS, 750/65R26 REAR TIRES, MAUER BIN EXTENSION