Tandem axle on both Lead and Pup
Air ride
Aluminum Wheels
Lead bunks: Four 8ft and 6 inch
Pup bunk: Two 8ft 6 inch
Tires size: 11R22.5

Overall length is: 59 feet

Lead: 
Length: 37 feet 5 inch
Width: 8 feet 7 inch 
Height: 13 feet 6 inch 
Front to king pin: 4 feet 7 inch
Drive axle space: 11 feet 3 inch 
Front to axle : 29 feet 3 inch
Axle spread:5 feet 
Bunk height: 8 feet 5 inch

Pup: 
Length:27 feet 3 inch 
Width:8 feet 7 inch 
Height: 13 feet 3 inch 
Front to king pin: 1 feet 4 inch
Drive axle space: 7 feet 2 inch
Front to 1st axle: 20 feet 3 inch
Axle spread: 4 feet 3 inch
Bunk height: 10 feet 11 inch