THE QUIETEST RIDING, BEST HANDLING COACH ON THE MARKET TODAY. PERIOD.
2016 Cornerstone
Experience excellence
Crafting a luxury coach is an art—and the Cornerstone is our masterpiece. In it, power meets opulence for a combination that’s sure to turn heads. In fact, the only thing more invigorating than the journey itself is the attention you’ll draw in the process.
Download brochure
Compare luxury coach models
Brochure
Floorplans
2016 Cornerstone|45A|Chassis and Engine Size: Cummins ISX 15LTR 600HP VG Turocharged Diesel
2016 Cornerstone|45B|Chassis and Engine Size: Cummins ISX 15LTR 600HP VG Turocharged Diesel
2016 Cornerstone|45J|Chassis and Engine Size: Cummins ISX 15LTR 600HP VG Turocharged Diesel
2016 Cornerstone|45K|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
2016 Cornerstone|45A|Chassis and Engine Size: Cummins ISX 15LTR 600HP VG Turocharged Diesel
Specs
| Exterior Length | 44' 11" |
| Exterior Width | 101" |
| Exterior Height with A/C and Satellite | 155" |
| Interior Height | 84" |
| 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 |
| Wheel Base | 320" |
| Furnace (BTU Output) | 65,600 Aqua-Hot |
| Fuel Tank Capacity (gals) | 150 |
| Fresh Water Capacity (gals) | 100 |
| Grey Waste Water Capacity (gals) | 62 |
| Black Waste Water (gals) | 41 |
2016 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 | 155" |
| Interior Height | 84" |
| Fresh Water Capacity (gals) | 100 |
| Grey Waste Water Capacity (gals) | 62 |
| Black Waste Water (gals) | 41 |
| Fuel Tank Capacity (gals) | 150 |
| Furnace (BTU Output) | 65,600 Aqua-Hot |
| Furnace (BTU Output) | 65,600 Aqua-Hot |
| Wheel Base | 320" |
2016 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 | 155" |
| Interior Height | 84" |
| Fresh Water Capacity (gals) | 100 |
| Grey Waste Water Capacity (gals) | 62 |
| Black Waste Water (gals) | 41 |
| Fuel Tank Capacity (gals) | 150 |
| Furnace (BTU Output) | 65,600 Aqua-Hot |
| Wheel Base | 320" |
2016 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 | 155" |
| Interior Height | 84" |
| Fresh Water Capacity (gals) | 100 |
| Grey Waste Water Capacity (gals) | 62 |
| Black Waste Water (gals) | 41 |
| Fuel Tank Capacity (gals) | 150 |
| Furnace (BTU Output) | 65,600 Aqua-Hot |
| Wheel Base | 320" |
All Floorplans
2016 Cornerstone | 45A
Chassis and Engine Size: Cummins ISX 15LTR 600HP VG Turocharged Diesel
2016 Cornerstone | 45B
Chassis and Engine Size: Cummins ISX 15LTR 600HP VG Turocharged Diesel
2016 Cornerstone | 45J
Chassis and Engine Size: Cummins ISX 15LTR 600HP VG Turocharged Diesel
2016 Cornerstone | 45K
Chassis and Engine Size: Cummins ISX 15LTR 600HP VG Turocharged Diesel
360°
Exterior Graphics
Standards & Options
Chassis
| Chassis | Spartan K3 raised rail chassis |
| Chassis Battery | 2 |
| Hitch | 20,000-lb. hitch with 7/4-pin plug |
| Engine | Cummins 15 liter ISX turbocharged 600 HP engine 1,950 lb-ft torque at 1,200 RPM |
| Engine Block Heater | 1,500 watt engine block heater |
| Fuel Tank | 150-gal. fuel tank (dual fill) |
| DEF Tank | 15-gallon DEF tank with easy fill door |
| Transmission | Allison 4000 MH 6-speed transmission |
| Alternator | 210-amp alternator |
| Radiator | Side-mounted radiator |
| Front Axle | Reyco Granning front axle 20,000-lb. wide track |
| Rear Axle Ratio | 4.30 “Quiet-Gear” rear axle ratio |
| Tag Axle | Tag axle air dump |
| Turning Radius | 55-degree turning radius |
| Braking System | All-wheel ABS brakes |
| Tires | Michelin 365/70R 22.5" tires (Front) + 315/80R 22.5" tires (Rear |
| Traction Control | Automatic Traction Control |
| Shocks | Bilstein shocks - 60MM in front and 46MM on rear tag |
| Front Suspension | Reyco Granning IFS independent front air suspension |
| Rear Suspension | Ridewell tag axle suspension; Hadley air leveling system |
| Air Connection | Remote air connection |
| Rear Axle | Meritor rear axle 20,000-lb., tag axle 14,000-lb. |
Construction
| Frame | X-Bridge frames welded into chassis frame |
| Underbelly | Enclosed, insulated and heated floor, and thermostat controlled heating in storage area |
| Floor | 2" x 4" floor truss construction |
| Walls | Aluma-Tru Superstructure construction on 12"-16" centers |
| Insulation | Insulation with reflective Flexfoil floor (R-33), roof (R-24), sidewalls (R-16), front and rear caps (R-22) |
| Slideouts | Flush-mounted electric-powered slideout rooms w/ remote control |
| Roof | One-piece, gel-coat fiberglass, 4-1/2" arched aluminum truss roof; Fully decked with 3/8" plywood |
| Floor Decking | 3/4" 7-ply plywood main floor decking |
Heat, AC, Water & Power
| Water Monitoring | SeeLevel tank monitoring system |
| Air Conditioning | 15,000-BTU low profile central A/Cs (3) with heat pump, digital 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 |
| Heating System | Aqua-Hot 450 Diesel hydronic water and heating system with in-floor heat throughout |
| Batteries | 6V glass mat batteries on sliding tray (8) |
| Power Management | Surge protector transfer switch |
| Water Hose w/ Electric Reel | Water hose w/ electric reel |
| Tank Flush | Black holding tank sprayer |
| Black Tank Management | Macerator holding tank dump system w/ electric gate valves |
| Water Filtration | City and tank water filtration system |
| Inverter | 2,800-watt and 2,000-watt pure sine wave inverter |
| Winterization Drain System | Winterizing drain system |
Exterior
| Mirrors | Chrome, heated, remote control, side-view mirrors w/ integrated cameras |
| Exterior | 3M front protective film mask |
| Entrance Door | Aire-Secure travel locks for all passage doors |
| Entrance Steps | Deluxe concealed entry step |
| Windows | Frameless, tinted, dual-pane, safety-glass windows |
| Door Awning | Girard Vision dual pitched awning |
| Cargo Features | Powered slide-out cargo trays (2) |
| Entertainment | Exterior 40" Samsung LED HDTV on TV bracket w/ extend and swivel arm and JBL multimedia stereo receiver with Bluetooth audio streaming |
| Satellite Dish | Winegard in-motion satellite dome w/ prep for Trav'ler satellite dish |
| Rear Mudflap | Full-width rear mudflap |
| TV Antenna | Winegard Rayzar powered TV antenna |
| 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 |
| Headlights | LED high beam headlights and Xenon 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 |
| Window Awnings | Girard Ultra window shade awning and Ultra slide-out awnings |
| Patio Awnings | Roof mounted Girard Vision dual pitched patio awning with LED lights |
| Utility Center | Exterior utility center, heated and enclosed with system monitor panel |
| Engine Door | Power rear engine door |
| Lights | Motion sensor security lights (2) |
Cockpit
| Driver / Passenger Seats | 8-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 w/ integrated controls for radio, cruise, and wipers |
| Infotainment System(s) | Infotainment center with touch screen, Rand-McNally GPS navigation, Bluetooth, Sirius radio and tuner |
| Windshield | Ultra-Vision one-piece wrap-around tinted windshield |
| Cameras | Color back-up camera and monitor system w/ side and rear view cameras |
| Visors & Privacy Shade | MCD powered front sun visors and privacy shade |
| Power Features | Battery boost 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 |
| Flooring | Powered flush stepwell cover |
| Sound System | JBL premium audio tuned 360-watt DSP amplifier and 11 speakers including subwoofer |
| Leveling System | Hydraulic automatic leveling jack system |
| Pedals | Powered adjustable foot pedals |
| Trip Management System | TripTek Information Center |
Interior
| Furniture | leather hide-a-bed(s) |
| Electric Fireplace | LED lit electric fireplace |
| Lighting | LED recessed 12V lighting |
| Central Vacuuming System | Central vacuum system |
| Window Treatments | Powered MCD solar day and black out night shades |
| Flooring | High Gloss 12" x 24" porcelain tile with granite inlay design |
| Washer/Dryer | Stackable washer and dryer |
| Lighting System | Multiplex controlled lighting system |
| Television - Living Room | Samsung 50" 4K UHDTV (45B, 45A); Samsung 48" 4K UHDTV (45J, 45K, 45U) |
| Television - Front Overhead | Samsung 32" LED HDTV in front overhead |
| Sound - Living Room | Bose CineMate 130 home theater system in living area |
Kitchen
| Refrigerator | Samsung residential 23 cu. ft. refrigerator with ice maker and water dispenser |
| Microwave | Samsung 1.7 cu. ft. convection microwave oven |
| Cooktop | Flush mounted induction cooktop |
| Dishwasher | Dishwasher |
| Countertops | LED lit quartz countertops with integrated stainless sink |
| Backsplash | Porcelain tile backsplash with glass design inlays |
| Cabinet Extension | Pullout cabinet extension with countertop |
| Cutting Board | Cutting board |
| Silverware Drawer | Silverware drawer |
| Waste Basket | Large deep drawer with waste basket |
Bedroom
| Bed | Tempur-Pedic Cloud Prima king size mattress |
| Wardrobe | Large cedar-lined wardrobe |
| Television | Samsung 32" LED HDTV in bedroom |
| Sound | Bose Solo 15 sound bar in bedroom |
| Ceiling Fan | Ceiling fan |
Bathroom
| Shower | Porcelain tiled shower walls and floor w/ skylight |
| Countertop(s) | LED lit quartz countertops with integrated sink(s) |
| Shower Door | Frameless glass shower door |
| Vent | Power vent |
| Toilet | Porcelain toilet |
Safety
| Smoke Alarm | Smoke alarm |
| Carbon Monoxide Detector | Carbon monoxide alarm |
| Security System | Security system with glass shatter sensors |
| Propane Alarm | |
| Security Safe | Security safe |
Options
| Canadian Standards | Optional |
| Satellite Dish - US | Winegard Trav'ler satellite dish - DIRECTV |
| Freezer | 2.8 cu.ft. exterior freezer with slideout tray |
| Solar | Solar panels (Dual-100 watt) w/Morningstar SunSaver Duo solar panel charge controller |
| Satellite Dish - CA | Winegard Trav'ler satellite dish - Shaw Direct |
Décor Options
Experience GRAMMY® and Oscar-winning audio technology that transforms your favorite music into award winning performances. The Cornerstone is luxuriously equipped with a JBL premium audio tuned 360-watt DSP amplifier hidden behind the dash and 11 speakers in 6 locations including subwoofer. Custom-tuned to each individual model, Entegra is proud to be the first luxury motorhome manufacturer to offer this deluxe system.
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
Experience excellence
Crafting a luxury coach is an art—and the Cornerstone is our masterpiece. In it, power meets opulence for a combination that’s sure to turn heads. In fact, the only thing more invigorating than the journey itself is the attention you’ll draw in the process.
Midnight Pearl (shown w/ Windsor wood)
Mocha (shown w/ Tuscan wood)
Stanford (shown w/ Natural Glazed wood)
