The 5.0-liter V-8 engine has its maximum towing capacity of 13,000 pounds on a variety of models. Like the 3.3-liter V-6, the 5.0-liter V-8 achieves its maximum towing capacity when mated to a 3.73 axle ratio. The V-8 powered F-150 models, which can haul 13,000 pounds, include the regular 2WD or 4WD cab with the 8-foot bed.