2017 Cornerstone
ULTIMATE LUXURY
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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Floorplans
2017 Cornerstone|45A|Chassis and Engine Size: Cummins ISX 15LTR 600HP VG Turocharged Diesel
2017 Cornerstone|45B|Chassis and Engine Size: Cummins ISX 15LTR 600HP VG Turocharged Diesel
2017 Cornerstone|45J|Chassis and Engine Size: Cummins ISX 15LTR 600HP VG Turocharged Diesel
2017 Cornerstone|45K|Chassis and Engine Size: Cummins ISX 15LTR 600HP VG Turocharged Diesel
2017 Cornerstone|45W|Chassis and Engine Size: Cummins ISX 15LTR 600HP VG Turocharged Diesel
Ward = wardrobe
Lav = bathroom sink
Med = medicine cabinet
Ohc = overhead cabinets
Fridge = refrigerator
Micro = microwave
2017 Cornerstone|45A|Chassis and Engine Size: Cummins ISX 15LTR 600HP VG Turocharged Diesel
Specs
Gross Vehicle Weight Rating (lbs) | 54,000 |
Gross Combined Weight Rating (lbs) | 74,000 |
Front Gross Axle Weight Rating (lbs) | 20,000 |
Rear Gross Axle Weight Rating (lbs) | 20,000 |
Tag Axle Gross Weight Rating (lbs) | 14,000 |
Exterior Length | 44' 11" |
Exterior Width | 101" |
Exterior Height with A/C and Satellite | 12' 11" |
Interior Height | 84" |
Fresh Water Capacity (gals) | 100 |
Grey Waste Water Capacity (gals) | 62 |
Black Waste Water (gals) | 41 |
Wheel Base | 320" |
2017 Cornerstone|45B|Chassis and Engine Size: Cummins ISX 15LTR 600HP VG Turocharged Diesel
Specs
Gross Vehicle Weight Rating (lbs) | 54,000 |
Gross Combined Weight Rating (lbs) | 74,000 |
Front Gross Axle Weight Rating (lbs) | 20,000 |
Rear Gross Axle Weight Rating (lbs) | 20,000 |
Tag Axle Gross Weight Rating (lbs) | 14,000 |
Exterior Length | 44' 11" |
Exterior Width | 101" |
Exterior Height with A/C and Satellite | 12' 11" |
Interior Height | 84" |
Fresh Water Capacity (gals) | 100 |
Grey Waste Water Capacity (gals) | 62 |
Black Waste Water (gals) | 41 |
Wheel Base | 320" |
2017 Cornerstone|45J|Chassis and Engine Size: Cummins ISX 15LTR 600HP VG Turocharged Diesel
Specs
Gross Vehicle Weight Rating (lbs) | 54,000 |
Gross Combined Weight Rating (lbs) | 74,000 |
Front Gross Axle Weight Rating (lbs) | 20,000 |
Rear Gross Axle Weight Rating (lbs) | 20,000 |
Tag Axle Gross Weight Rating (lbs) | 14,000 |
Exterior Length | 44' 11" |
Exterior Width | 101" |
Exterior Height with A/C and Satellite | 12' 11" |
Interior Height | 84" |
Fresh Water Capacity (gals) | 100 |
Grey Waste Water Capacity (gals) | 62 |
Black Waste Water (gals) | 41 |
Wheel Base | 320" |
2017 Cornerstone|45K|Chassis and Engine Size: Cummins ISX 15LTR 600HP VG Turocharged Diesel
Specs
Gross Vehicle Weight Rating (lbs) | 54,000 |
Gross Combined Weight Rating (lbs) | 74,000 |
Front Gross Axle Weight Rating (lbs) | 20,000 |
Rear Gross Axle Weight Rating (lbs) | 20,000 |
Tag Axle Gross Weight Rating (lbs) | 14,000 |
Exterior Length | 44' 11" |
Exterior Width | 101" |
Exterior Height with A/C and Satellite | 12' 11" |
Interior Height | 84" |
Fresh Water Capacity (gals) | 100 |
Grey Waste Water Capacity (gals) | 62 |
Black Waste Water (gals) | 41 |
Wheel Base | 320" |
2017 Cornerstone|45W|Chassis and Engine Size: Cummins ISX 15LTR 600HP VG Turocharged Diesel
Specs
Gross Vehicle Weight Rating (lbs) | 54,000 |
Gross Combined Weight Rating (lbs) | 74,000 |
Front Gross Axle Weight Rating (lbs) | 20,000 |
Rear Gross Axle Weight Rating (lbs) | 20,000 |
Tag Axle Gross Weight Rating (lbs) | 14,000 |
Exterior Length | 44' 11" |
Exterior Width | 101" |
Exterior Height with A/C and Satellite | 12' 11" |
Interior Height | 84" |
Fresh Water Capacity (gals) | 100 |
Grey Waste Water Capacity (gals) | 62 |
Black Waste Water (gals) | 41 |
Wheel Base | 320" |
All Floorplans
2017 Cornerstone | 45A
Chassis and Engine Size: Cummins ISX 15LTR 600HP VG Turocharged Diesel
2017 Cornerstone | 45B
Chassis and Engine Size: Cummins ISX 15LTR 600HP VG Turocharged Diesel
2017 Cornerstone | 45J
Chassis and Engine Size: Cummins ISX 15LTR 600HP VG Turocharged Diesel
2017 Cornerstone | 45K
Chassis and Engine Size: Cummins ISX 15LTR 600HP VG Turocharged Diesel
2017 Cornerstone | 45W
Chassis and Engine Size: Cummins ISX 15LTR 600HP VG Turocharged Diesel
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Exterior Graphics
Standards & Options
Chassis
Chassis | Spartan K3 raised rail chassis |
Engine | Cummins 15 liter ISX turbocharged 600HP engine 1,950 lb. ft. torque at 1,200 RPM |
Transmission | Allison 4000 MH 6-speed transmission |
Engine Block Heater | 1,500 watt engine block heater |
Front Suspension | Reyco Granning IFS independent front air suspension |
Rear Suspension | |
Front Axle | Reyco Granning front axle 20,000-lb. wide track |
Rear Axle | Dana rear axle 23,000-lb., tag axle 14,000-lb. |
Rear Axle Ratio | 4.30 rear axle ratio |
Hitch | 20,000-lb. hitch with 7/4-pin plug |
Tag Axle | Tag axle air dump & Reyco Granning Passive Steer Tag Axle |
Radiator | Side-mounted radiator |
Braking System | All-wheel ABS disc brakes and three-stage engine brake |
Traction Control | Automatic traction control |
Shocks | Bilstein shocks - 60MM front & 46MM rear/tag |
Fuel Tank | 150-gal. fuel tank (dual fill) |
DEF Tank | Dual DEF fill |
Tires | Michelin 365/70R 22.5" tires (front) and 315/80R 22.5" tires (rear) |
Turning Radius | 55-degree turning radius |
Chassis Battery | Chassis batteries (2) |
Alternator | 210-amp alternator |
Air Connection | Remote air connection |
Leveling System | Hadley air leveling system |
Construction
Frame | X-Bridge frames welded into chassis frame |
Underbelly | Enclosed, insulated and heated floor and thermostat controlled heating in storage area |
Insulation | Insulation with reflective Flexfoil floor (R-33), roof (R-24), sidewalls (R-16), front and rear caps (R-22) |
Floor | 2" x 4" floor truss construction |
Floor Decking | 3/4" 7-ply plywood main floor decking |
Walls | Aluma-Tru Superstructure construction on 12"-16" centers |
Slideouts | Flush-mounted electric-powered slideout rooms with Vegatouch control |
Roof | One-piece fiberglass roof with 3/8" plywood decking and 4" arched aluminum roof truss |
Heat, AC, Water & Power
Propane | |
Heating System | Aqua-Hot 450 diesel hydronic water and heating system with in-floor heat throughout |
Air Conditioning | 15,000-BTU low profile A/Cs (3) with heat pump, Vegatouch thermostat, and roof to ground condensation drain tubes |
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 |
Inverter | 2,800-watt and 2,000-watt pure sine wave inverter |
Batteries | L16 AGM batteries (4), (6v/390 amp hrs. ea.) |
Power Management | Premium surge protector transfer switch |
Water Hose w/ Electric Reel | Water hose with electric reel |
Tank Flush | Black holding tank sprayer |
Black Tank Management | Macerator holding tank dump system with electric gate valves, & manual back-up system |
Water Monitoring | SeeLevel tank monitoring system |
Water Filtration | City and tank water filtration system |
Winterization Drain System | Winterizing drain system |
Tank Vents | 360 Siphon tank vent(s) |
Exterior
Exterior Walls | 2-1/2" exterior wall with welded tubular aluminum construction and high-gloss, gel-coat fiberglass |
Front/Rear Cap | Steel-reinforced front cap and windshield frame |
Exterior | 3M front protective film mask |
Headlights | LED high and low beam headlights |
Fog Lights | LED fog lights |
Daytime Running Lights | Daytime running lights |
LED Lights | LED marker and turn lights the full length of the coach |
Docking Lights | LED docking lights |
Accent Lights | LED accent lights on underside of slideout rooms curbside |
Keypad | Lighted grab handle with keypad system |
Keyless Fob | Keyless entry with key fob |
Entrance Steps | Deluxe concealed entry step / Lighted Entegra step |
Entrance Door | Aire-Secure travel locks for all pocket doors |
Door Awning | Girard power entrance door awning with LED lights |
Window Awnings | Girard Ultra window shade awning and Ultra slideout awnings |
Patio Awnings | Roof mounted Girard Vision dual pitched patio awning with LED lights |
Mirrors | Chrome, heated, remote control, side-view mirrors with integrated cameras & blind-spot indicators |
Windows | Frameless, tinted, dual-pane, safety-glass windows |
Entertainment | 40" Samsung LED HDTV on TV bracket with extend, tilt and swivel arm and JBL multimedia stereo receiver with Bluetooth audio streaming |
Utility Center | Exterior utility center, heated and enclosed with system monitor panel |
Cargo Features | Powered slideout cargo trays (2) |
Satellite Dish | Winegard in-motion satellite dome with prep for Trav'ler satellite dish |
TV Antenna | Winegard Rayzar powered TV atenna |
Engine Door | Power engine door |
Rear Mudflap | Full-width rear mudflap, with chrome "Cornerstone" nameplate |
Lights | Motion sensor security lights (2) |
Third Brake Light | Pulsing Third Brake Light |
Cockpit
Flooring | Powered flush stepwell cover |
Visors & Privacy Shade | Powered front sun visors and privacy shade |
Windshield | Ultra-Vision one-piece wrap-around tinted windshield |
Driver / Passenger Seats | Air cooled, 6-way power, lumbar, heated, leather driver and passenger seats with integrated 3-point lap and shoulder safety belts |
Steering Wheel | VIP soft-touch, wood-grain, leather-wrapped, tilt and telescoping steering wheel with integrated controls for radio, cruise, and wipers |
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 |
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 |
Sound System | JBL premium audio with calibrated 360-watt DSP amplifier and 11 speakers including subwoofer |
Leveling System | Hydraulic automatic leveling jack system |
Power Features | Battery boost system |
Pedals | Powered adjustable foot pedals |
Cameras | Color, adjustable "Total Vision" back-up camera and monitor system with side and rear views |
Trip Management System | |
Additional Amenities | Chrome, LED lit cup holders and dual USB ports in dash |
Collision Mitigation | En-telligent™ Collision Mitigation System equipped with Collision Warning System, Adaptive Cruise Control & Electronic Stability Control |
Blind Spot Monitoring | En-telligent™ Blind Spot Monitoring System, tuned to detect objects within the lane of traffic on either side of the vehicle |
Interior
Lighting System | En-telligent™ Vegatouch pad system, for complete integration of coach controls |
Lighting | LED recessed 12V lighting |
Flooring | High gloss 12" x 24" porcelain tile with granite inlay design |
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 |
Furniture | Leather hide-a-bed(s) |
Washer/Dryer | Stacked washer and dryer |
Central Vacuuming System | Central vacuum system |
Electric Fireplace | LED lit electric fireplace |
DVD Systems | Blu-ray players in living area & bedroom |
Additional Storage | In-step storage with pull-out tray |
Kitchen
Countertops | Dimmable LED lit quartz countertops with integrated stainless sink |
Cabinet Extension | |
Backsplash | |
Cutting Board | Cutting board |
Silverware Drawer | Silverware drawer |
Waste Basket | Large deep drawer with waste basket |
Dishwasher | Dishwasher with wood raised panel door front |
Cooktop | Induction cooktop |
Microwave | Whirlpool Gold 1.9 cu. ft. convection microwave oven |
Refrigerator | Samsung residential 23 cu. ft. refrigerator with ice maker and water dispenser |
Bedroom
Television | Samsung 32" LED HDTV in bedroom |
Sound | Bose Solo 15 sound bar in bedroom |
Bed | Select Comfort Sleep Number mattress |
Ceiling Fan | Ceiling fan |
Wardrobe | Large cedar-lined wardrobe with automatic light |
Bathroom
Countertop(s) | LED lit quartz countertops with integrated sink(s) |
Toilet | Porcelain toilets with push button flush |
Shower Door | Frameless glass shower door |
Shower | Porcelain tiled shower walls and floor |
Vent | Power vent & skylight |
Safety
Security System | Security system with glass shatter sensors |
Smoke Alarm | Smoke alarm |
Carbon Monoxide Detector | Carbon monoxide alarm |
Propane Alarm | |
Security Safe | Security safe |
Options
Canadian Standards | Optional |
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) with Morningstar SunSaver Duo solar panel charge controller |
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) |
100" Sofa with Incliner & Hide-A-Bed | (N/A w/Premium Villa Pkg Opt) (45B ONLY) |
Sofa w/TV Lift | (N/A w/Premium Villa Pkg Opt) (45A & 45W ONLY) |
Desk | Desk w/TV Lift & Fireplace (N/A w/Premium Villa Pkg Opt) |
Décor Options
Midnight Pearl
Mocha
Silver Lining (Premium Upgrade)
Stanford
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.
Detail
ULTIMATE LUXURY
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.