Auto Master auto haulers range in size from a 8.5X18 tandem axle to a 8.5X48 triple axle model. Electric brakes are standard on all Auto Master models. The standard payload capacities range from 2,680 to 6,674 lb. on tandem axle bumper pull models to 7,900 to 10,000 lb. on triple axle gooseneck models. A ramp door with no-show beavertail is standard on all Auto Master auto haulers.