New 2026 International HX 520 Logging-Spec Truck | 605 HP Cummins X15; ; The new 2026 International HX 520 is built to logging specifications and powered by a Cummins X15 diesel engine producing 605 horsepower. A FULLER RTLO(F)-20918B manual transmission and 4.30 rear axle ratio provide a work-focused drivetrain for managing heavy loads demanding grades and low-speed operating conditions common in logging applications.; ; Its 262-inch wheelbase and 62000-lb GVWR establish a substantial vocational chassis. Meritor axles tandem 46000-lb rear axles a 16000-lb front axle and spring suspension rated at 46000 lb support the truck’s heavy-duty configuration. The 16000-lb front suspension rating and air brake system further complement its logging-oriented design.; ; Finished in gray this HX 520 also features a 56-inch mid-roof sleeper dual vertical exhaust and 150-gallon fuel tanks on both the left and right sides. The dual-tank arrangement provides 300 gallons of total listed fuel capacity for extended routes and remote work cycles.; ; Key Features and Specifications:; - Cummins X15 diesel engine; 605 horsepower; - FULLER RTLO(F)-20918B manual transmission; 4.30 rear axle ratio; - 62000-lb GVWR; 262-inch wheelbase; - Meritor axles; 16000-lb front axle and tandem 46000-lb rear axles; - 56-inch mid-roof sleeper; dual vertical exhaust; gray exterior; - Dual 150-gallon fuel tanks; spring suspension; air brakes; ; Well suited to logging and other heavy vocational operations requiring high horsepower and a manual drivetrain. Contact Allegiance Truck Centers for additional information or to discuss this HX 520’s fit for your operation.