Blazer cargo trailers range in size from a 5X8 single axle to 8X24 tandem axle model. Electric brakes are standard on 6' wide tandem axle trailers and larger. The 5-7 foot wide single axle models offer a standard payload capacity of 1,550 to 2,040 lb. while the 6 - 8 foot wide tandem axle models offer a standard payload capacity of 3,800 - 5,350 lb. Double barn doors are the standard rear door for the Blazer cargo trailers with an optional ramp door available.