Parts for old Wheel Horse lawn mowers and tractors can be purchased at RepairClinic.com and on eBay.com. In addition, the Wheel Horse Collectors Club provides links to many specialty shops that carry Wheel Horse parts.
Among the suggested resources for Wheel Horse parts suggested by the Wheel Horse Collectors Club are Dave's Tractor World in Pennsylvania, Restoration Parts by GlenJeri and Classic Kitchens. Some of these vendors sell newly manufactured parts for the older tractors.
Parts available at Repair Clinic as of May 2015 include tune-up kits, spark plugs, air filters, fuel filters and starter gears. Parts on eBay vary, but they may include wheels, shifter boots, fuel caps and belts.