Three 15M Penguin™ Heat Pump Central Air Conditioners with Remote Control ThermostatHydronic Zone Heating SystemPropane Gas Leak DetectorRoof Air Conditioning Drainage SystemDriver and Passenger Dash Overhead Ventilation SystemWall Mounted Sensors for Heating & Air ConditioningPolished Aluminum WheelsBack-Up AlarmElectronic Chassis Information in Display in DashAnti-Lock Braking SystemHydraulic Leveling JacksComfort Drive™ Steering With Adjustable ControlRecessed Fuel Fills with Crossover to Fill from Either Side