The bed for a 37 is 74.5 inches long, and 16.5 inches high. The 35 and 36 are 70.5 inches long and the same height. All the beds are 46 inches between the bed sides. This is from a Mack Products catalog.
The bed for a 37 is 74.5 inches long, and 16.5 inches high. The 35 and 36 are 70.5 inches long and the same height. All the beds are 46 inches between the bed sides. This is from a Mack Products catalog.