MARTIN IS OFFERING THIS 2013 JOHN DEERE 612C STALKMASTER. THE CORN HEAD IS LOCATED AT OUR ROANOKE LOCATION AND CAN BE SERVICED BY OUR JOHN DEERE FACTORY TRAINED SERVICE DEPARTMENT. SOME OF THE MAIN OPTIONS INCLUDED ON THIS CORN HEAD INCLUDES THE FOLLOWING: 30" SPACING, STALKMASTER, YIELD 360 GATHERING CHAINS, STALK STOMPERS