Spartan® Mountain Master raised-rail chassis Cummins® ISL turbocharged 450 HP engine, 1,250 lb. ft. torque at 1,400 RPM Allison® 3,000 MH 6-speed transmission 1,000-watt engine block heater Front axle I-beam 15,660-pound wide track 20,000-pound rear axle, 12,000-pound tag axle 4.88 “Quiet-Gear” rear axle ratio 15,000-pound hitch with 7/4-pin plug Tag axle air dump Side-mounted radiator ABS brakes on front and drive axle/drum brakes on tag axle Two-stage engine brake Bilstein® shocks 100-gallon fuel tank (dual fill) 15-gallon DEF tank with easy-fill door Goodyear® G670 295/80R 22.5-inch tires (front) and G670 275/80R 22.5-inch tires (rear) Chassis batteries (2) 170-amp alternator Remote air connection STANDARD CONSTRUCTION FEATURES X-Bridge™ frames welded into chassis frame Enclosed, insulated and heated floor and thermostat-controlled heating in storage area Insulation with reflective Flexfoil® floor (R-33), roof (R-24), sidewalls (R-16), front and rear caps (R-22) 2-inch x 4-inch floor truss construction ¾-inch, 7-ply plywood main floor decking Aluma-Tru Superstructure construction on 12-inch - 16-inch centers 2 ½-inch exterior wall with welded tubular aluminum construction and high-gloss, Gelcoat fiberglass Flush-mounted electric-powered slideout rooms with remote control One-piece fiberglass roof with 3 ⁄8-inch plywood decking and 4-inch arched aluminum roof truss Steel-reinforced front cap and windshield frame HEAT, A/C, POWER AND WATER EQUIPMENT 50-gallon propane gas tank Aqua-Hot® 400-LP hydronic water and heating system with in-floor heat throughout 15,000-BTU low-profile A/C units with heat pump, digital thermostat and roof-to-ground condensation drain tubes 50-amp power cord with electric reel Onan® 10,000-watt diesel generator with auto-gen start on slideout tray 2,800-watt pure sine wave inverter 6V batteries on sliding tray (4) Solar power prep Water hose with electric reel Black holding tank sprayer Macerator holding tank dump system with manual gate valves SeeLevel™ tank monitoring system City and tank water filtration system Winterizing drain system STANDARD EXTERIOR EQUIPMENT 3M® front protective film mask LED high-beam headlights and Xenon® low-beam headlights LED fog lights Daytime running lights LED marker and turn lights the full length of the coach LED docking lights LED accent lights on underside of slideout rooms curbside Lighted grab handle with keypad system Keyless entry with key fob Aire-Secure™ travel locks for all pocket doors Girard® power patio awning with LED lights Girard power entrance door awning with LED lights