MARTIN TRACTOR IS OFFERING THIS 2011 JOHN DEERE 9570 STS. SOME OF THE MAIN OPTIONS ON THIS COMBINE INCLUDES THE FOLLOWING: 2WD, PREMIUM CAB, CONTOUR MASTER, HIGH CAPACITY LIFT CYLINDERS, 21.5' UNLOAD AUGER, AUTO TRAC READY, AG LEADER MOISTURE SENSOR, MAURER BIN EXTENSION, 30.5-32 FRONT TIRES, 420/85R26 REAR TIRES