* The specific model and year of the ATV.
* The terrain on which it is being ridden.
* The rider's weight and position.
* The condition of the ATV and its components.
With proper care and maintenance, most 420 Ranchers can be expected to reach speeds in the range of 55-60 mph. However, it is important to note that these ATVs are not designed for racing or high-speed operation, and attempting to exceed their recommended speed limit can be dangerous.