Roadmaster S-Series: Semi-Monocoque Chassis, CAT® 625 HP with 1,900 lbs./ft. Torque (Engine Displacement: 928 cu. in./15.2L), Allison® 4000 MH 6-Speed World Transmission with Electronic Shifter, Dual Fuel Fill, 200 Amp Alternator, Rear Axle Ratio: 4.30:1, Tires: 295/80R/22.5, Polished Aluminum Wheels, Full-Cushion Air Glide Suspension with Ten Outboard-Mounted Air Bags and Ten Shock Absorbers, Air Suspension with Ping Tank, Automatic Traction Control, Air Disc Brake System with ABS, Tag Axle with Anti-Lock Drum Braking System, CAT® Compression Two-Stage Engine Brake, Engine Block Heater with Switch on Dash, Automatic Air Leveling System, 15,000 lb. Hitch Receiver with Non-Liftable Tag When Tow Vehicle Is Hooked Up, Remote Inflation Connector, TripTek Smart Tire Monitoring System, Collision Avoidance System, Electronic Adjustable Suspension System, Dual Leveling System (Air/Hydraulic), Collision Avoidance System
