2021 International® HX™ Series Base

Year: 2021

Manufacturer: International®

Model Name: HX™ Series

Trim Name: Base

Generic Type (Primary): Conventional without Sleeper

Engine: Cummins X15 15L | International A26 Engine PowerCummins X15 15L: 400-605 HP | International A26: 370-500 HP

Engine Torque: Cummins X15 15L: 650-2050 lb-ft. | International A26: 1350-1750 lb-ft.

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2021 International® HX™ Series Base

2021 International® HX™ Series

Features may include:


Future proof.

  • A seamlessly integrated point-to-point electrical system delivers confident performance and easy operation, all while allowing for future adaptability of remote power modules and use.

Over-the-air programming.

  • Allows two-way engine communication and secure wireless engine reprogramming to optimize the performance of your vehicle, all while reducing service trips and downtime.


At the ready.

  • On the job, every day brings new challenges. Fortunately when you bring an HX to work, you're prepared with an available 150,000-lb. capacity center tow pin to provide assured strength to take on an extreme recovery scenario.

Bring your best forward.

  • The dedicated severe service aluminum cab offers riveted and bonded lap seams for increased strength and easier repair, while an available sloped three-Piece Metton hood is designed to be stronger than fiberglass and resistant to cracking over the life of the truck.

Optimal maneuverability.

  • Put performance where you need it. When favorably equipped, the HX Series can achieve an extremely tight turning radius thanks to standard wide-track front axles and an available dual steering gear design, allowing you to maneuver more easily through any worksite.


See the advantages.

  • Thanks to a low-angled hood, contoured fenders, ample side glass and a large windshield, the HX Series offers impressive front forward visibility for greater safety and operability.

Work hard. Look good.

  • Let them know you're on the job with a rugged all-metal grille with bright surround, plus available bright grille bars, stainless-clad aluminum bumper, bright cab skirts and choice of bright mirrors with LED accent lights.


Air disc brakes

  • Air disc brakes are standard for both front and rear applications, air disc brakes provide shorter, surer stops, better braking feel and more braking power for improved safety. All while offering longer lining and rotor life and requiring less maintenance.

Electronic stability control

  • Available electronic stability control assures HX® Series vehicles maintain steadiness and steerability during heavy brake applications and braking on slippery surfaces, providing drivers with improved safety and greater confidence behind the wheel.


Cummins X15 15L | International A26


Engine Power
Cummins X15 15L: 400-605 HP | International A26: 370-500 HP


Engine Torque
Cummins X15 15L: 650-2050 lb-ft. | International A26: 1350-1750 lb-ft.


Drive System
6x4 | 8x6


Manual Eaton: 8LL (10), 9ALL (11), 13, 15, 18 speed | Automated Manual: Eaton UltraShift PLUS: 8LL (10), 9ALL (11), 13, 18 speed / Eaton Fuller Advantage: 10 speed | Automatic: Allison EVS, RDS, OFS series


Brake System Type
Traction Control | Electronic Stability Control (ESP) | Bendix® Wingman®


Front Suspension
HX515 / HX520 SFA: Multi-leaf: 20,000 lbs. / Parabolic Taper-leaf: 12,000 – 20,000 lbs. | HX615 / HX620 SBA: Multi-leaf: 14,000 – 23,000 lbs. / Parabolic Taper-leaf: 12,000 – 20,000 lbs. / Slipper- Type: 20,000 – 24,000 lbs.


Rear Suspension
Spring: Chalmers: 40,000 – 52,000 lbs. / Hendrickson HMX: 40,000 lbs. 54", 60", 72", spacing / Hendrickson R, RS, RT: 46,000 – 80,000 lbs. | Air: Hendrickson HAS: 40,000 – 46,000 lbs. 55" and 60" spacing / Hendrickson PRIMAAX®: 46,000 – 52,000 lbs. 55", 60", 72”spacing / Hendrickson PAX Tridem: 69,000 lbs.


HX Series Electrical System


Delco Remy: 165 – 300 amp. | Leece-Neville: 160 – 240 amp.


HX515 114” BBC | HX615 115” BBC | HX520 120” BBC | HX620 119” BBC


52,000 - 92,000 lbs.


Fuel Capacity
60 – 240 Gallons


Axle Capacity, Front
HX515 / HX520: Dana: 16,000 – 20,000 lbs. / Meritor: 12,000 – 20,000 lbs. | HX615 / HX620 SBA: Dana: 16,000 – 22,000 lbs. / Meritor: 13,200 – 22,000 lbs.


Axle Capacity, Rear
Tandem: Dana: 40,000 – 46,000 lbs. Single and Two Speed / Meritor: 40,000 – 70,000 lbs. Single and Double Reduction | Tridem Meritor: 53,000 lbs.


Frame Type
Heat Treated Alloy Steel 120,000 PSI


Switchback After Treatment Device: Single or Dual Vertical Stacks | Vertical After Treatment Device: Single Vertical Stack


Cab Construction
Day Cab


Cabover Interior
Classic | Diamond

Lights and Safety

Headlight Type
Halogen Headlamps With LED Daytime running Lights and Turn Signals


Construction Material
Fuel Tank: Single or Dual, Polished or Non-Polished LH Mounted Under Cab or Dual Under Cab or Back of Cab 24" or 26" Diameter


1,980 - 3,800 CCA's