Indianapolis. Navistar is showing its latest edition to its medium-duty truck lineup this week at the National Truck Equipment Assn. (NTEA) Work Truck Show. The International TerraStar 4x4 is now a production-ready vehicle.

Launched in 2010 in 4x2 configuration, the TerraStar is now available in a 4x4 configuration for applications that need a little more truck.

“The TerraStar is the smaller sibling to the DuraStar, the best selling medium-duty model throughout the past two decades, leveraging the same platform and commercial grade components,” said Jack Allen, Navistar’s president, North American Truck and Parts. “The TerraStar shares the same rugged, durable and hardworking DNA, making it in a class unto itself. The TerraStar 4x4 will deliver additional commercial duty capability for a wide range of customer needs, including construction, utility, landscape, and other off-highway applications.”

The TerraStar 4x4 features a 300 hp., 6.8L MaxxForce 7 V-8 engine delivering 660 lbs.-ft. of torque. The engine is built using a compacted graphite iron (CGI) block which offers high strength without added weight, the company said.

A cab that is 30% wider than the competition offers 38% more visibility, Navistar said. It is available in extended cab or crew cab configurations and is constructed with double-sided, galvanized high-strength steel protected by a 5-step professional grade coating process to resist corrosion.

The vehicle also includes the International Diamond Logic electrical system, which allows the engine, transmission, instrument panel and other vehicle components to continually communicate with each other electronically. By monitoring critical vehicle functions and relaying information to the driver in real-time, Diamond Logic ensures safe, efficient vehicle operation, Navistar pointed out.

Diamond Logic also offers automated pre-trip inspections, headlights on with wipers, automatically engaged safety interlocks, programmable switches and more depending on the application.

The Allison Optimized 1000 Series transmission features shift energy management, load-based shifting scheduling and automatic “neutral” for simplified operations. A Fabco TC-28 gear-driven transfer case is made of forged helical gearing and roller bearings that provide high torque and horsepower capacities while offering a quiet and smooth driving experience, Navistar said.

Additional features of the vehicle include:

  • International Ride-Optimizes Suspension (IROS) air suspension system
  • 138- and 150-in. CA offerings w/ standard cab to accommodate 18- and 20-ft. bodies
  • Aluminum step package and stainless steel fuel tank straps
  • Commercial style tilt-away hood provides easy access to engine compartment for routine service and scheduled maintenance.
  • 80,000 PSI frame rails and huck-bolted frame ensures maximum strength
  • Commercial grade cab designed to be more durable and resist cracking under heavy loads