Cummins 6 Cylinder Diesel Engine • Engine Brake • Eaton Fuller 18-Speed Manual Transmission • Double Differential Locks • Air Ride Cab • Aluminum Wheels • 315/80R22.5 Front Tires • 11R24.5 Rear Tires • Steerable Air Lift Pusher Axle • Dual Steering Boxes • Hendrickson HN Series Rubber over Walking Beam Suspension • 272 in Wheelbase • PTO • ( 1 ) 8 ft Bunks • ( 1 ) 5 ft 6 in Adjustable Bunks • Vulcan V340 Scale w/ Digital Readout • Vulcan V340 Scale w/ Digital Readout