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International Next-Gen HX Heavy Truck

November 18, 2020
International HX dump truck.
Setback-axle HX620 International truck has 119-inch BBC and is standard with a Navistar A26 diesel. A Cummins X15 diesel is optional.

The HX, International Truck’s premium vocational model, is going into next-generation form with new composite hoods and a larger steel cab featuring interior refinements. International executives say the revised HX, for heavy extreme, is aimed at primarily at the construction market. They also say their overall intent is to improve their share of vocational-truck sales.

The new HX series is the first product released under the company’s Navistar 4.0 strategy and its Project Compass initiative, which focuses on flexible, modular design to meet customer needs and deliver what they say is the best support and service in the

“The new HX series represents our most comfortable, durable, technologically integrated, and driver-focused severe service truck ever,” said Mark Stasell, VP, vocational truck, for Navistar, the builder’s corporate parent. “It is the physical representation of our Navistar 4.0 strategy: putting the customer at the center of everything we do.”

The new series is available in a set-forward steer-axle HX520 and a set-back axle HX620 International heavy truck, in tractor and straight-truck versions, and with 53- and 76-inch sleeper options. They’ll use International’s own A26 and Cummins’ X15 diesels, and can be had with manual, automated and automatic transmissions.  Both vehicles are now available for order, with production slated to start in mid-January and deliveries starting one to two months afterwards. early next year. The new model will replace the current HX, which has been in the lineup since 2016.

The new HX’s steel cab comes from the LT highway tractor, but is reinforced in areas of high stress to take the rigors of on- and off-road travel. Certain parts are fashioned of high-strength steel, and “that’s how we save weight,” said David Hillman, vocational segment manager, during a virtual press conference on November 16. All steel is galvanized, and the structure is e-coated with a chrome-zinc phosphate material to guard against corrosion, then painted in several steps. The inside floor can be ordered with a Line-X coating to shrug off salt, moisture and other contaminants dragged in on drivers’ boots. Line-X does the same thing for pickup beds, for which the material was developed. The new HX cab comes with a 10-year warranty against perforation from corrosion.

Restyled hoods for the axle-forward and axle-back versions are made of DCPD, for dicyclopentadiene, a composite material said to be stronger than fiberglass to better resist cracking over the life of the truck. Hoods are made in three pieces for economical repairs and replacements after minor collisions, and they slope downward for superior forward visibility. Both hoods got new character lines and the axle-forward’s hood was purposely styled to look like the long-nose 9900i, International’s premium on-highway model that was withdrawn several years ago, Hillman said. Bumper-to-back of cab dimensions are 120 inches for the axle-forward model and 119 inches for the axle-back.

The new HX Series also comes with functional dual external air cleaners, both for styling and for increased filtration capacity which is critical when running in dusty environments. All marker lights are LEDs which provide superior nighttime visibility and safety while reducing the frequency of repair. The new model is easily customizable with optional stainless-steel visors, bright finish mirrors and additional stainless-steel options.

Inside, the focus was on the driver, Hillman said, and the extreme-duty cab improves safety, comfort and productivity. Overall cab size has been increased. Compared to the current model, the cab has a more effective HVAC system for comfort and larger power windows for improved visibility. The expanded cab also comes laid out Elite and Diamond Elite trim packages; Diamond Elite includes a new line of premium heated and ventilated seats, allowing drivers to stay focused and comfortable, Hillman said. Integrated driver assist features from Bendix also help improve a driver’s awareness and safety.

“The cab interior is the driver’s command center, so every inch needs to be attuned to their needs,” said Stasell. “Designed directly from driver feedback, the new HX Series is built to be the most driver-oriented vehicle in your fleet.”

For improved maneuverability on streets and job sites, the new HX is available with dual steering gears and advanced anti-lock braking systems that result in superior turning, traction and control. The HX series continues to offer high-strength 12½-  by ½-inch  single-rail frame rails delivering 3.5 million resisting-bending moment, or RBM, to withstand very heavy loads. Double-channel frames are also available with RBM ratings of more than 4 million RBM. Frames and crossmembers are huck-bolted for permanent resistance to loosening and undue wear.  Frame-rail tops and back-of-cab areas are kept clear for easy body mounting. A wide range of factory-installed lift axles are available, as is a front tow pin rated up to 150,000 pounds.

The axle-back HX620 is standard with the 12.4-liter International A26 diesel, with ratings of up to 500 horsepower and 1,750 lb-ft. of torque. Cummins’ 14.9-liter X15, with up to 605 horsepower and 2,050 lb-ft., is optional. The axle-forward HX520 is standard with the Cummins X15. Eaton Fuller manual transmissions, Eaton Ultrashift automated manual transmissions and Allison 4000 series automatics are available. Automated and automatic transmissions are operated with International Truck’s stalk shifter that saves space and allows drivers to keep their eyes on the road and job. Hendrickson’s HaulMaxx HMX-EX rubber-block rear suspension is a featured product. Front axles rated at up to 22,000 pounds and rear tandems and tridems with up to 78,000 pounds capacity are available.

Diamond Logic electricals

The new HX will come with Diamond Logic electrical systems for integrated and programmable operation of lights and accessories. Body controls can be controlled by in-dash switches instead of with add-on, floor-mounted boxes, Hillman said. The new HX series will be supported through OnCommand Connection, the company’s real-time remote diagnostics system, offering a comprehensive portfolio of connected vehicle services.

Fleet customers and individual owners will be able to access the “health” of their trucks for easy management of maintenance and repair. This system allows International Truck and its service network to predict parts needs, so dealers have inventory on shelves where and when needed. International 360 allows seamless communication with the International service network for maintenance and repair of all makes and models.  

           

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