2N3600 Ford / New Holland 2N 8N 9N Tractor Steering Wheel with Steel Spokes USES A WK14, 3/16" WOODRUFF (KEYWAY) NOT INCLUDED WITH THIS WHEEL. Notes: 3/4" diameter keyed hub / center, 17.50" outer diameter, PCV or Mylar-plastic rim. OE style Steel spokes. Shallow wheel with very little offset. Replaces Part Numbers: 2N3600-OEM