International Trucks Taps PIT Group to Test Fuel Efficiency

PIT Group, a research and engineering group has been selected by International Truck to test the fuel efficiency of its newest model and engine — the new LT Series 625 Class 8 tractor and A26 engine — against competitive tractors with similar specifications.

For the test, PIT Group procured 2018 model year vehicles with 2017 GHG compliant engines. The 6×4 tractors were fitted with full aerodynamics and pulled 53-ft van trailers with side skirts.

The test followed TMC Fuel Economy Test Procedure – Type IV (RP 1109B) consisting of three valid test runs. The 341-mile test route covered flat and hilly terrain, and it was divided into two segments, with the midpoint being situated at 173 miles from the start. Trailers and drivers paired with tractors in the first test segment were switched to the other tractors during the following segment.

Fuel consumption was also measured by weighing portable tanks before and after each run, according to TMC Fuel Consumption Test Procedure – Type III (RP1103A). Gravimetric measurement of fuel consumption according to TMC Type III procedure is more precise and accurate than volumetric measurement, as it is not affected by temperature variances.

Since 2007, PIT Group has evaluated the fuel efficiency of over 280 technologies for manufacturers across North America. Included are trucks, tractors, trailer aerodynamic devices, tires and wheel balancing systems, tarp systems for dump trailers, fuel, oil and gear lube additives, and alignment and tire pressure settings.

Formed in 1902, International Truck is a leading producer of medium-duty trucks, heavy-duty trucks and severe-service trucks. Its products, parts and services are sold through a network of nearly 1,000 dealer outlets in the United States, Canada, Brazil and Mexico. Visit www.internationaltrucks.com.

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