INTERNATIONAL® A26

International® A26 Big Bore Engine


BORN FROM A NEW WAY OF THINKING. BUILT WITH UPTIME IN ITS DNA.

It’s our steadfast commitment to leading the industry in uptime and a fresh way of looking at engine design. With a new team and fresh ideas we set out to deliver the
ultimate 12.4-liter engine.

Backed by the industry's best in class 2 year, unlimited mile, unlimited hour warranty.

The A26's uniquely sculpted crankcase, which is isolated from the oil pan through a specially designed rubber gasket absorbs vibration and reduces harshness for a        quieter in-cab experience.

A Best-In-Class Standard Warranty Coverage

We stand behind the A26 with a two-year unlimited hours or miles warranty that lets you take it as far as you want, for as many hours/miles as you want. Go ahead, go the extra mile.
  • Optional Engine Warranties

    Up to 7 years and 700,000 miles

  • Standard Engine Warranty

    2 year unlimited mile warranty

Maintenance Intervals

  • Replace Engine Oil and Oil Filter

    Up to 70,000 miles with oil sampling and International Truck approval
    6.5 or greater mpg: 50,000 miles (80,000 km)
    5.5 to 6.5 mpg: 30,000 miles (48,000 km)
    Less than 5.5 mpg: 20,000 miles (32,000 km)

  • Replace Fuel Filter

    At every oil change or 1,300 hours

  • clean dpf

    6.5 or greater mpg: 600,000 miles / 11,000 hours
    5.5 to 6.5 mpg: 500,000 miles / 9,000 hours
    Less than 5.5 mpg: 350,000 miles / 9,000 hours

  • Replace DEF Filter

    300,000 miles (483,000 km)

  • Add Extended Life Coolant Extender

    300,000 miles (483,000 km) / 3 years / 6,000 hours

  • Replace Coolant

    600,000 miles (966,000 km) / 6 years / 12,000 hours

  • Adjust Valve Lash

    At 120,000 miles (193,000 km), at 300,000 miles (483,000 km), then every 300,000 miles (483,000 km)

A26 Engine Desktop
A26 Engine Desktop
A26 Engine Desktop
A26 Engine Desktop
A26 Engine Desktop