Mack E9 6 Cylinder 16.4 L Diesel 500 hp Engine • 1987 US EPA Label • 5870 Engine hrs • Engine Brake • Mack Maxitorque T2180 18-Speed Manual Transmission • Air Ride Cab • 36 in Flat Top Sleeper Cab • Aluminum Wheels • 425/65R22.5 Front Tires • 11R24.5 Rear Tires • Double Frame • Hendrickson Rubber over Walking Beam Suspension • 325 in Wheelbase • PTO • Center Mounted • 28 ft - 70 ft 3 Section Boom • 3 Sheave Hook Block • Enclosed Cab • Out and Down Outriggers • Rear Outriggers • 10 ft x 74 in Bed • Air Sliding 5th Wheel