From ARI
Legacy Sleepers - ARI - American Reliance Industries, Co.
What length wheelbase do I need for a custom sleeper?
There are many factors affecting the wheelbase length. Our sales staff can easily walk you through the details. Remember, there are many variables to consider, however, to get a general idea review the following:
Sleeper Size Extended Hood Set Back Axle
96" Sleeper 276" Wheel Base 251" Wheel Base
108" Sleeper 288" Wheel Base 263" Wheel Base
120" Sleeper 300" Wheel Base 275" Wheel Base
132" Sleeper 312" Wheel Base 287" Wheel Base
144" Sleeper 324" Wheel Base 299" Wheel Base