Vehicle Details
Body Style
Truck
Engine
6.6L 8Cyl
Exterior Colour
White
Interior Colour
Black
Transmission
Automatic
Drivetrain
4×4
Stock
23305A
Fuel Type
Diesel
Dealer Code
RO
Trim Details
4WD Crew Cab Long Box High Country
Description
The 2026 Chevrolet Silverado 2500HD High Country Diesel represents the perfect fusion of heavy-duty capability and premium refinement. Powered by the legendary 6.6L Duramax® Turbo-Diesel V8, this truck delivers an impressive 470 horsepower and 975 lb-ft of torque, paired with a smooth-shifting 10-speed Allison® automatic transmission for exceptional performance under load.
Built to handle the toughest jobs, the Silverado 2500HD offers outstanding towing capability, with a maximum of over 22,000 lbs in properly equipped configurations, giving you the confidence to haul equipment, trailers, or recreational gear with ease.
As the top-tier High Country trim, this truck stands out with a bold, upscale presence. Signature chrome accents, distinctive badging, and premium LED lighting create a commanding look.
Inside, the High Country cabin is designed for comfort and sophistication. Expect premium leather seating, real wood trim, and advanced technology, including a large touchscreen infotainment system, digital driver display, and a suite of intelligent driver-assistance features. Multiple available camera views and trailering technologies make hitching, towing, and maneuvering easier than ever.
From job sites to long-distance towing, the 2026 Silverado 2500HD High Country Diesel delivers unmatched strength, cutting-edge technology, and first-class luxury, making it one of the most capable and refined heavy-duty trucks on the market today.
Packages & Options
Standard Equipment
Technical Specifications
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AM/FM Stereo
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Auxiliary Audio Input
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Bluetooth Connection
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MP3 Player
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Navigation System
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Smart Device Integration
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Requires Subscription
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Satellite Radio
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Premium Sound System
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Steering Wheel Audio Controls
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WiFi Hotspot
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Aluminum Wheels
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Tires - Front All-Terrain
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Tires - Rear All-Terrain
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Conventional Spare Tire
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Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
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Bumper, front (Body-colour.)
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Bumper, rear (Body-colour.)
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Running Boards/Side Steps
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CornerStep, rear bumper
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BedStep, Black integrated on forward portion of bed on driver and passenger side
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Mouldings, beltline, stainless steel
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Wheelhouse liners, rear
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Cargo tie downs (12), fixed rated at 500 lbs (226.8 kg) per corner
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Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) interior power outlet)
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Daytime Running Lights
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Automatic Highbeams
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Lamps, cargo area, cab mounted integrated with centre high mount stop lamp, with switch in bank on left side of steering wheel
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LED Cargo Area Lighting located in pickup bed, activated with switch on centre switch bank or key fob
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Fog Lamps
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Heated Mirrors
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Integrated Turn Signal Mirrors
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Power Folding Mirrors
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Power Mirror(s)
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Mirror caps, chrome
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Privacy Glass
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Intermittent Wipers
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Rain Sensing Wipers
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Variable Speed Intermittent Wipers
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Bed Liner
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Tailgate, standard
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Tailgate and bed rail protection cap, top
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Tailgate, gate function power up/down with power lock and release (Not available with (QK2) Multi-Flex tailgate.)
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Door handles, chrome
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Bucket Seats
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Leather Seats
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Heated Front Seat(s)
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Cooled Front Seat(s)
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Driver Adjustable Lumbar
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Power Driver Seat
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Passenger Adjustable Lumbar
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Power Passenger Seat
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Mirror Memory
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Seat Memory
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Heated Rear Seat(s)
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Pass-Through Rear Seat
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Rear Bench Seat
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Centre Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability
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Floor covering, colour-keyed carpeting
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Floor Mats
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Heated Steering Wheel
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Adjustable Steering Wheel
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Driver Information Centre, enhanced, 12.3" diagonal reconfigurable multicolour digital display
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Exterior Temperature Display located in radio display
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Compass located in instrument cluster
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Rear Seat Reminder
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Window, power front, drivers express up/down
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Power Windows
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Rear Defrost
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Sliding Rear Window
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Power Door Locks
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Remote Engine Start
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Keyless Entry
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Keyless Start
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Universal Garage Door Opener
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Adaptive Cruise Control
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Cruise Control
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Security System
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Wireless Charging (Not compatible with all phones. Compliant batteries include QI and PMA technologies. Reference Mobile devices manual to confirm what type of battery it uses.)
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Auxiliary Audio Input
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MP3 Player
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USB ports, rear, dual, charge-only
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Power outlet, interior, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
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A/C
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Climate Control
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Multi-Zone A/C
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Rear A/C
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Auto-Dimming Rearview Mirror
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Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted
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8 Cylinder Engine
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Gasoline Fuel
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10-Speed A/T
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A/T
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Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine. Not available with (L5P) Duramax 6.6L Turbo-Diesel V8 engine.)
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Durabed, pickup bed
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GVWR, 11,050 lbs. (5012 kg) (Included and only available with CK20943 model and (L8T) 6.6L V8 gas engine with 18", 20" or 22" wheels.)
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Keyless Start
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Air filter, heavy-duty
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Air filtration monitoring
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Transfer case, two-speed active electronic Autotrac with push button control
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Locking/Limited Slip Differential
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Four Wheel Drive
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Cooling, external engine oil cooler
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Cooling, auxiliary external transmission oil cooler
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Battery, heavy-duty 720 cold-cranking amps/80 Amp-hr maintenance-free with rundown protection and retained accessory power (Included and only available with (L8T) 6.6L V8 gas engine.)
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Alternator, 170 amps (Requires (L8T) 6.6L V8 gas engine.)
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Trailer brake controller, integrated
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Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
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Tow Hooks
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Suspension Package
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Power Steering
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4-Wheel Disc Brakes
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ABS
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Brake lining wear indicator
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Capless Fuel Fill (Requires (L8T) 6.6L V8 gas engine.)
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Exhaust, single, side
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LPO, Polished exhaust tip (dealer-installed) (Requires (L8T) 6.6L V8 gas engine. Not included when (L5P) Duramax 6.6L Turbo-Diesel V8 engine is ordered.)
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Tow Hitch
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Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering
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Front Collision Mitigation
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Front Collision Warning
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Stability Control
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Traction Control
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Daytime Running Lights
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Driver Air Bag
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Front Head Air Bag
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Front Side Air Bag
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Passenger Air Bag
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Passenger Air Bag Sensor
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Rear Head Air Bag
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Requires Subscription
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Telematics
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Rear Parking Aid
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Aerial View Display System
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Back-Up Camera
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Bed View Camera camera in the CHMSL to show a view of the cargo bed, display located in infotainment screen, includes Two Trailer Camera Provisions
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Trailer Camera Provisions and trailer viewing software
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Hitch Guidance dynamic single line to aid in trailer alignment for hitching
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In-Vehicle Trailering App, System includes checklist, trailer maintenance reminders, trailer security alerts, trailer mileage, tow/haul reminder, trailer electrical diagnostics and Trailer Tire Pressure Monitor System module
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Cross-Traffic Alert
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Blind Spot Monitor
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Lane Departure Warning
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Following Distance Indicator
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Seat Belt Adjustable Guide Loops, front row only
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Buckle to Drive prevents vehicle from being shifted out of Park until driver seat belt is fastened; times out after 20 seconds and encourages seat belt use, can be turned on and off in Settings menu
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Rear Seat Belt Indicator
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Safety Alert Seat
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Driver Restriction Features
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Tire Pressure Monitor
No matches were found.
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Vehicle NameChevrolet Silverado 2500HD
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Body StyleCrew Cab Pickup
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Body CodeE63
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DrivetrainFour Wheel Drive
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Trans Order CodeMKM
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Trans Type10
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Trans Description Cont.Automatic
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First Gear Ratio (:1)4.54
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Second Gear Ratio (:1)2.87
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Third Gear Ratio (:1)2.06
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Fourth Gear Ratio (:1)1.72
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Fifth Gear Ratio (:1)1.48
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Sixth Gear Ratio (:1)1.26
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Seventh Gear Ratio (:1)1.00
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Eighth Gear Ratio (:1)0.85
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Ninth Gear Ratio (:1)0.69
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Tenth Gear Ratio (:1)0.63
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Reverse Ratio (:1)4.54
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Passenger Capacity5
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Front Head Room (in)43.03
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Front Leg Room (in)44.53
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Front Shoulder Room (in)66.02
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Front Hip Room (in)61.18
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Second Head Room (in)40.12
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Second Leg Room (in)43.4
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Second Shoulder Room (in)65.3
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Second Hip Room (in)60.24
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Gross Axle Wt Rating - Front (lbs)5600
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Gross Axle Wt Rating - Rear (lbs)6600
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Curb Weight - Front (lbs)4070
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Curb Weight - Rear (lbs)2848
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Gross Vehicle Weight Rating Cap (lbs)11050
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Gross Combined Wt Rating (lbs)26000
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Dead Weight Hitch - Max Trailer Wt. (lbs)5000
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Dead Weight Hitch - Max Tongue Wt. (lbs)500
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Wt Distributing Hitch - Max Trailer Wt. (lbs)18500
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Wt Distributing Hitch - Max Tongue Wt. (lbs)1850
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Fifth Wheel Hitch - Max Trailer Wt. (lbs)18700
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Fifth Wheel Hitch - Max Tongue Wt. (lbs)4675
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Engine Order CodeL5P
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Engine TypeTurbocharged Diesel V8
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Displacement6.6L
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Fuel SystemDirect Injection
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SAE Net Horsepower @ RPM470 @ 2800
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SAE Net Torque @ RPM975 @ 1600
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Engine Oil CoolerYes
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Cold Cranking Amps @ 0° F (Primary)730
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Cold Cranking Amps @ 0° F (2nd)730
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Maximum Alternator Capacity (amps)170
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Frame TypeHydroformed
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Suspension Type - FrontShort/Long Arm
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Suspension Type - RearMulti-Leaf Springs
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Axle Ratio (:1) - Rear3.73
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Shock Absorber Diameter - Front (mm)51
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Shock Absorber Diameter - Rear (mm)51
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Stabilizer Bar Diameter - Front (in)1.38
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Front Tire Order CodeQF9
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Rear Tire Order CodeQF9
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Spare Tire Order CodeZYG
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Front Tire SizeLT275/65R20
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Rear Tire SizeLT275/65R20
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Spare Tire SizeLT275/70R18
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Front Wheel Size (in)20
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Rear Wheel Size (in)20
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Spare Wheel Size (in)18
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Front Wheel MaterialAluminum
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Rear Wheel MaterialAluminum
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Steering TypePwr
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Turning Diameter - Curb to Curb (ft)57
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Brake TypePwr
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Brake ABS System4-Wheel
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Disc - FrontYes
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Disc - RearYes
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Front Brake Rotor Diam x Thickness (in)14.0 x 1.6
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Rear Brake Rotor Diam x Thickness (in)14.1 x 1.3
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Fuel Tank Capacity, Approx (L)136
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Wheelbase (in)172
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Length, Overall (in)266.06
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Width, Max w/o mirrors (in)81.85
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Height, Overall (in)79.65
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Cab to Axle (in)55.24
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Ground Clearance, Front (in)10.08
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Ground Clearance, Rear (in)10.08
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Cargo Box Length @ Floor (in)98.27
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Cargo Box Width @ Floor (in)71.4
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Cargo Box Width @ Wheelhousings (in)50.55
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Cargo Box (Area) Height (in)21
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Cargo Volume (ft³)83.5
No matches were found.
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* * Disclaimer: Prices are subject to applicable fees and charges. A $22.50 OMVIC fee applies to the purchase. Additional taxes, licensing, and other applicable fees may vary. Please contact the dealership for complete details. Every reasonable effort is made to ensure the accuracy of the information listed above.
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