Ford 2001 Explorer Owner's Manual page 173

Place the transmission in N (Neutral).
Do not exceed a distance of 80 km (50 miles).
Do not exceed 56 km/h (35 mph) vehicle speed.
With a disabled vehicle (without access to wheel dollies, car hauling
trailer or flatbed transport vehicle) your vehicle can be towed (all wheels
on the ground) under the folling conditions:
Ford Motor Company provides a towing manual for all authorized tow
truck operators. Have your tow truck operator refer to this manual for
proper hook-up and towing procedures for your vehicle.
Roadside emergencies
173