2017 Cornerstone


You deserve the ultimate luxury—and that’s exactly what the Cornerstone delivers. With power, opulence and new features such as passive tag axle steering, Collision Mitigation, and electronic stability control, you’ll quickly see how it’s easy to revel in luxury in this motorcoach.

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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
Alternator 210-amp alternator
Braking System All-wheel ABS disc brakes and three-stage engine brake
Chassis Spartan K3 raised rail chassis
Chassis Battery Chassis batteries (2)
DEF Tank Dual DEF fill
Engine Cummins 15 liter ISX turbocharged 600HP engine 1,950 lb. ft. torque at 1,200 RPM
Engine Block Heater 1,500 watt engine block heater
Front Axle Reyco Granning front axle 20,000-lb. wide track
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 23,000-lb., tag axle 14,000-lb.
Rear Axle Ratio 4.30 rear axle ratio
Rear Suspension
Shocks Bilstein shocks - 60MM front & 46MM rear/tag
Tag Axle Tag axle air dump & Reyco Granning Passive Steer Tag Axle
Tires Michelin 365/70R 22.5" tires (front) and 315/80R 22.5" tires (rear)
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 Enclosed, insulated and heated floor and thermostat controlled heating in storage area
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 pump, Vegatouch thermostat, and roof to ground condensation drain tubes
Batteries L16 AGM batteries (4), (6v/390 amp hrs. ea.)
Black Holding Tank Sprayer Black holding tank sprayer
Black Tank Management 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
Inverter 2,800-watt and 2,000-watt pure sine wave inverter
Power Management Premium surge protector transfer switch
Tank Vents 360 Siphon tank vent(s)
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 curbside
Cargo Features Powered slideout cargo trays (2)
Daytime Running Lights Daytime running lights
Door Awning Girard power entrance door awning with LED lights
Engine Door Power engine door
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 on TV bracket with extend, tilt and swivel arm and JBL multimedia stereo receiver with Bluetooth audio streaming
Headlights LED high and low beam headlights
Keyless Fob Keyless entry with key fob
Keypad Handle Lighted grab handle with keypad system
LED Fog Lights LED fog lights
LED Lights LED marker and turn lights the full length of the coach
LED Docking Lights LED docking lights
Mirrors Chrome, heated, remote control, side-view mirrors with integrated cameras & blind-spot indicators
Patio Awnings Roof mounted Girard Vision dual pitched patio awning with 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
Utility Center Exterior utility center, heated and enclosed with system monitor panel
Third Brake Light Pulsing Third Brake Light
TV Antenna Winegard Rayzar powered TV atenna
Windows Frameless, tinted, dual-pane, safety-glass windows
Window Awnings Girard Ultra window shade awning and Ultra slideout awnings


Additional Amenities Chrome, LED lit cup holders and dual USB ports in dash
Cameras Color, adjustable "Total Vision" back-up camera and monitor system with side and rear views
Driver / Passenger Seats Air cooled, 6-way power, lumbar, heated, leather driver and passenger seats with integrated 3-point lap and shoulder safety belts
Flooring Powered flush stepwell cover
Infotainment System(s) All-glass paneled, dual 9" capacitive touchscreen in-dash infotainment center with Rand McNally RV navigation, Bluetooth, Sirius XM, AM/FM tuner, DVD, integrated camera control, house mode whole coach audio distribution, and integrated VegaTouch coach control
Leveling System Hydraulic automatic leveling jack system
Monitoring System(s) Spartan Message Center with LCD display featuring: odometer, tachometer, fuel economy, fuel remaining, outside air temp., coolant temp., engine oil temp. and pressure, transmission temp., turbo boost pressure, air pressure, trip meter, speed and voltage
Pedals Powered adjustable foot pedals
Power Features Battery boost system
Steering / Driving Features VIP soft-touch, wood-grain, leather-wrapped, tilt and telescoping steering wheel with integrated controls for radio, cruise, and wipers
Sound System JBL premium audio with calibrated 360-watt DSP amplifier and 11 speakers including subwoofer
Trip Management System
Visors & Privacy Shade Powered 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 electric fireplace
Flooring High gloss 12" x 24" porcelain tile with granite inlay design
Furniture Leather hide-a-bed(s)
Lighting System En-telligent™ Vegatouch pad system, for complete integration of coach controls
Lighting LED recessed 12V lighting
Window Treatments Powered solar day and black out night shades
Television - Living Room Samsung 50" 4K UHDTV (45B, 45A, 45W) / Samsung 48" 4K UHDTV (45J, 45K)
Television - Front Overhead Samsung 32" LED HDTV in front overhead
Sound - Living Room Bose SoundTouch 130 home theater system with bluetooth in living area
Washer/Dryer Stacked washer and dryer


Cabinet Extension
Cooktop Induction cooktop
Cutting Board Cutting board
Dishwasher Dishwasher with wood raised panel door front
Kitchen Countertops Dimmable LED lit quartz countertops with integrated stainless sink
Kitchen Backsplash
Microwave Whirlpool Gold 1.9 cu. ft. convection microwave oven
Refrigerator Samsung residential 23 cu. ft. refrigerator with ice maker and water dispenser
Silverware Drawer Silverware drawer
Waste Basket Large deep drawer with waste basket


Bedroom Mattress / Bedding Select Comfort Sleep Number mattress
Bedroom Wardrobe Large cedar-lined wardrobe with automatic light
Ceiling Fan Ceiling fan
Sound Bose Solo 15 sound bar in bedroom
Television Samsung 32" LED HDTV in bedroom


Bathroom Countertop(s) LED lit quartz countertops with integrated sink(s)
Bathroom Shower Porcelain tiled shower walls and floor
Bathroom Shower Door Frameless glass shower door
Bathroom Ventilation Power vent & skylight
Toilet Porcelain toilets with push button flush


Blind Spot Monitoring En-telligent™ 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 En-telligent™ Collision Mitigation System equipped with Collision Warning System, Adaptive Cruise Control & Electronic Stability Control
Lights Motion sensor security lights (2)
Propane Alarm
Security Safe Security safe
Security System Security system with glass shatter sensors
Smoke Alarm Smoke alarm


Canadian Standards Optional
Desk Desk w/TV Lift & Fireplace (N/A w/Premium Villa Pkg Opt)
Freezer 2.8 cu.ft. exterior freezer w/ Slideout Tray
L-Sofa Lounger with Hide-A-Bed (N/A w/Premium Villa Pkg Opt) (45B ONLY)
Satellite Dish - US Winegard Trav'ler satellite dish - DIRECTV
Satellite Dish - CA Winegard Trav'ler satellite dish - Shaw Direct
Sofa w/TV Lift (N/A w/Premium Villa Pkg Opt) (45A & 45W ONLY)
Solar Solar panels (Dual-100 watt) with Morningstar SunSaver Duo solar panel charge controller
100" Sofa with Incliner & Hide-A-Bed (N/A w/Premium Villa Pkg Opt) (45B ONLY)

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


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