Clamp-on Dual Usage

IMPORTANT: Clamp-on duals should not be used for heavy traction work. They are allowed only for use when the following conditions are met including recommended tire sizes and manufacturers.

  • Clamp-on dual wheels are used only in low draft or PTO applications
  • Maximum vehicle weight is limited to 9100 kgs (20062 lbs)
  • Rear drive wheel is heavy duty cast center type
  • Current wheel sleeve cap screws and washers are replaced with cap screws and washers contained in kit AR219840 for cast drive wheel
  • Steel wheel-to-cast hub cap screws and washers are replaced with cap screws and washers contained in kit AR217153
  • Use rear wheel bolt tightening procedure (See TIGHTENING REAR WHEEL BOLTS in this section.)
  • Inner single wheel tread setting does not exceed 1900 mm (75 in.)
  • Outer dual wheel tread setting does not exceed 3400 mm (134 in.)
  • Average tread width of dual combination does not exceed 2650 mm (104 in.)
  • Outer tire must be of equal or smaller section width tire
  • Drive wheels and clamp-on dual tires should be inflated to the same pressure

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