2019 Cornerstone

The pinnacle, a standard bearer, unmatched, no matter how you describe it, there’s nothing like this Class A motorhome. It is truly one of the most spectacular vehicles on the road today. Every inch is meticulously designed and crafted, helping make it the best-selling model in the Cummins X engine category. Now’s your time to rule the road.


Ward = wardrobe

Lav = bathroom sink

Med = medicine cabinet

Ohc = overhead cabinets

Fridge = refrigerator

Micro = microwave

Exterior Graphics

Standards & Options


Air Connection Remote air connection
Air Leveling Hadley air leveling system with auxiliary air compressor
Alternator 210-amp alternator
Braking System All-wheel ABS disc brakes
Chassis Spartan K3 raised rail chassis
Chassis Battery Chassis batteries 2-12 volt
DEF Tank 15-gal DEF tank (dual fill)
Engine Cummins X15 turbocharged 605HP engine 1,950-lb. ft. torque at 1,200 RPM
Engine Block Heater 1,500 watt engine block heater
Engine Brake Three-stage engine brake
Front Axle Reyco Granning IFS independent 20,000-lb. front axle and air suspension
Front Suspension Reyco Granning IFS independent front air suspension
Fuel Tank 150-gal. fuel tank (dual fill)
Hitch 20,000-lb. hitch with 7/4-pin plug
Radiator Side-mounted radiator
Rear Axle Dana rear axle 20,000-lb., tag axle 14,000-lb.
Rear Axle Ratio 4.30 rear axle ratio
Rear Suspension Reyco Granning rear suspension
Shocks Bilstein shocks - 60MM front & 46MM on rear/tag
Tag Axle Reyco Granning Passive Steer Tag Axle and Tag axle air dump
Tires Michelin® 365/70R 22.5" tires (front) and 315/80R 22.5" tires (rear)
Tire Pressure Monitoring Tire pressure monitor system
Tow Air Brake System Safehaul tow air brake system
Traction Control Automatic traction control
Transmission Allison 4000 MH 6-speed transmission
Turning Radius 55-degree turning radius


Exterior Walls 2-1/2" exterior wall with welded tubular aluminum construction and high-gloss, gel-coat fiberglass
Floor 2" x 4" floor truss construction
Floor Decking 3/4" 7-ply plywood main floor decking
Frame X-Bridge frames welded into chassis frame
Front Cap Steel-reinforced front cap and windshield frame
Insulation Insulation with reflective Flexfoil floor (R-33), roof (R-24), sidewalls (R-16), front and rear caps (R-22)
Roof One-piece fiberglass roof with 3/8" plywood decking and 4" arched aluminum roof truss
Slideouts Flush-mounted electric-powered slideout rooms with VegaTouch control
Underbelly Insulated, enclosed, thermostat controlled storage area with heated floor
Walls Aluma-Tru Superstructure construction on 12"-16" centers

Heat, AC, Water & Power

Air Conditioning 15,000-BTU low profile A/Cs (3) with heat pumps and condensation drain system
Batteries L16 AGM batteries (4), (6v/390 amp hrs. ea.), Battery boost system
Black Holding Tank Sprayer Black holding tank sprayer
Black Tank Management Sani-Con® Turbo macerator holding tank dump system with electric gate valves & manual back-up system
Electrical Hookup 50-amp power cord with electric reel
Generator Onan 12,500-watt diesel generator with auto gen start, on powered slide-out tray
Heating System Aqua-Hot® 450 diesel hydronic water and heating system with in-floor heat throughout and engine preheat
Inverter 3,000 watt pure sine wave inverters (2)
Power Management Premium surge protector transfer switch
Water Hose w/ Electric Reel Water hose with electric reel
Water Filtration City and tank water filtration system
Water Monitoring SeeLevel™ tank monitoring system
Winterization Drain System Winterizing drain system


Accent Lights LED accent lights on underside of slideout rooms passenger side
Cargo Features Power Slideout cargo trays
Clearance Accent Lighted, chrome clearance accent
Daytime Running Lights Daytime running lights
Door Awning Girard power entrance door awning with LED lights
Engine Door Power engine door with manual override
Entrance Door Aire-Secure™ travel locks for all pocket doors
Entrance Steps Deluxe concealed entry step / Lighted Entegra step
Exterior 3M front protective film mask
Exterior Entertainment 40" Samsung LED HDTV and Bose Solo 5 sound bar on TV bracket with extend, tilt and swivel arm
Headlights LED high and low beam headlights
Keypad Handle Lighted grab handle with keypad system
LED Fog Lights LED fog lights
LED Lights LED marker lights, turn lights and license plate light
LED Docking Lights LED docking lights
Mirrors Chrome, heated, remote control, side-view Ramco mirrors with blind-spot indicators
Patio Awnings Roof mounted Girard Vision dual pitched patio awning w/ LED lights
Rear Mudflap Full-width rear mudflap, with chrome "Cornerstone" nameplate
Satellite Dish Winegard in-motion satellite dome with prep for Trav'ler satellite dish
Stainless Steel Accents Executive Bus Armor 10" stainless steel trim
Utility Center Exterior utility center, heated and enclosed with system monitor panel
Third Brake Light LED third brake light
TV Antenna Winegard Rayzar Automatic powered TV antenna
Windows Frameless, tinted, dual-pane, Hehr safety-glass windows
Window Awnings Girard Ultra window shades and slide-out awnings


Additional Amenities Two dual USB ports
Cameras "Total Vision" rear camera and digital side cameras
Dash Valid 15" digital dash with selector knob
Driver / Passenger Seats 6-way power, lumbar, air cooled, heated, leather driver and passenger seats with integrated 3-point belt
Flooring Power flush stepwell cover
Infotainment System(s) Glass panel, dual 9" touchscreen in-dash infotainment center with Rand McNally RV navigation, Bluetooth, Sirius XM, AM/FM tuner, integrated camera control, house mode whole coach audio distribution, and integrated VegaTouch coach control
Leveling System Equalizer hydraulic automatic leveling system
Monitoring System(s) Message center and monitoring systems included in Valid digital dash
Pedals Powered adjustable foot pedals
Power Features Battery boost system
Side Consoles Molded side consoles
Start Push button start
Steering / Driving Features Wood-grain, leather-wrapped, tilt and telescoping steering wheel with integrated controls for radio, cruise, and wipers
Sound System JBL® premium audio sound system with amplifier, speakers and subwoofer
Visors & Privacy Shade Power front sun visors and privacy shade
Windshield Ultra-Vision one-piece wrap-around tinted windshield


Additional Storage In-step storage with pull-out tray
Central Vacuuming System Central vacuum system
DVD Systems Blu-ray players in living area & bedroom
Electric Fireplace LED lit fireplace (45B and 45Y)
Flooring High Gloss 12" x 24" porcelain tile hand laid with granite inlay design
Furniture Leather hide-a-bed(s)
Lighting System VegaTouch pad system, for complete integration of coach controls
Lighting Dimmable LED recessed 12V lighting
Window Treatments Powered solar day and black out night shades
Television - Living Room Samsung® 50" HDTV
Television - Front Overhead Samsung® 32" LED HDTV in front overhead
Sound - Living Room Bose SoundTouch 300 sound system
Washer/Dryer Stacked washer and dryer


Cabinet Extension Pullout countertop extension with drawers
Cooktop Induction cooktop
Dishwasher Dishwasher with wood raised panel door front
Kitchen Countertops Quartz countertops with stainless steel sink and dimmable LED accent lighting
Kitchen Backsplash Porcelain tile backsplash with glass design inlays and a ceramic border
Microwave Whirlpool Gold 1.9 cu. ft. convection microwave oven
Refrigerator Whirlpool residential refrigerator with ice maker and water dispenser
Vent Maxxair power vent
Waste Basket Large deep drawer for waste basket with easy access trash chute (trash chute not available in 45F)


Bedroom Mattress / Bedding Select Comfort® Sleep Number® king size mattress
Bedroom Wardrobe Large cedar-lined wardrobe with automatic lights (automatic light not available in 45F)
Ceiling Fan Ceiling fan
Nightstands Nightstands with USB ports and solid surface tops
Sound Bose Solo 5 sound bar in bedroom
Television Samsung 32" LED HDTV in bedroom


Bathroom Countertop(s) Quartz countertop with integrated sinks and LED accent lighting
Bathroom Shower Porcelain tiled shower walls and floor with skylight and frameless glass shower door
Bathroom Ventilation Maxxair Deluxe power vents
Shower Seat Teak wood shower seat (Not available in 45F)
Toilet Thetford Tecma china toilets with push button flush


Blind Spot Monitoring Blind Spot Monitoring System, tuned to detect objects within the lane of traffic on either side of the vehicle
Carbon Monoxide Detector Carbon monoxide alarm
Collision Mitigation Spartan Advanced Protection System equipped with collision mitigation, adaptive cruise control & electronic stability control
Lights Porch light and motion sensor security lights
Security Safe Safe
Security System Security system with glass shatter sensors
Smoke Alarm Smoke alarm


Canadian Standards Optional
Central Vacuum System Standard
Dinette Option 1 Leather dinette booth (45A, 45B, 45W and 45Y)
Dinette Option 2 Leather Dinette Booth standard (45X)
Dishwasher Drawer Dishwasher Drawer Standard
Fireplace LED lit fireplace standard (45B, 45Y)
Freestanding Table Option 1 Freestanding table with 4 chairs standard (N/A 45X)
Freestanding Table Option 2 Freestanding table with 4 chairs (45X)
Freezer Optional exterior freezer
Front Overhead TV Standard
Satellite Dish - US Winegard Trav'ler satellite dish - DIRECTV
Satellite Dish - CA Winegard Trav'ler satellite dish - Shaw Direct
Solar Solar panels (Dual-100 watt)
Theater Seating Option 1 Theater seating with power recliners and fixed center console
WiFi Extender Antenna Winegard WIFI Extender with 4G/LTE

Décor Options

Entegra Coach peace of mind

2-year warranty and 3-year roadside assistance

At Entegra Coach, excellence doesn’t end with our stunning interiors and superior craftsmanship. We back each luxury coach with the industry’s highest level of service—including a 2-year warranty and 3-year roadside assistance.

2-year warranty details

3-year roadside assistance details


Get the guide Close window


Get the guide Close window


Get the guide Close window