Owner's Manual
Page 335
Where: W = Weight of added accessory A = Distance that the accessory is in the lower right corner of the Certification/Tire label, as a snow plow, is adding to the front axle, use the following formula: United States Canada (W x (A + W.B.)) /W.B.= Weight the accessory is adding to calculate the amount of weight any front accessory, such as shown. In order to the front axle. The front axle reserve capacity for your vehicle can be found in front of the front axle W.B. = Vehicle Wheelbase 4-63
Where: W = Weight of added accessory A = Distance that the accessory is in the lower right corner of the Certification/Tire label, as a snow plow, is adding to the front axle, use the following formula: United States Canada (W x (A + W.B.)) /W.B.= Weight the accessory is adding to calculate the amount of weight any front accessory, such as shown. In order to the front axle. The front axle reserve capacity for your vehicle can be found in front of the front axle W.B. = Vehicle Wheelbase 4-63