U.S. retail sales of Classes 4-7 trucks in March climbed 36.7% compared with a year earlier, riding the surge in demand in Class 5, WardsAuto .com reported.

Classes 4-7 U.S. retail sales in January climbed 14.3% compared with a year earlier, led by a surge in the Class 6 segment, WardsAuto .com reported.

Classes 4-7 U.S. retail sales were flat in September compared with a year earlier, reaching 20,268, steadied by a 36.4% gain in the Classes 4-5 segment

Medium-duty truck sales in August fell 16.3% to just more than 19,000 compared with a year earlier, WardsAuto.com reported Sept. 11.

Medium-duty sales in February posted a 5% gain as the two lighter segments offset weakness in the heavier two, WardsAuto.com reported.

Medium-duty sales in January dropped 10.4% compared with a year earlier, but were saved from a more severe overall decline by strong gains in the lighter two classes as sales in Classes 6-7 slumped, WardsAuto .com reported.

U.S. retail sales of medium-duty trucks rose 12.4% in October, led by strong gains in Class 6 vehicles, WardsAuto.com reported.

U.S. retail sales of medium-duty trucks in August continued to climb, WardsAuto.com reported.

U.S. retail sales of medium-duty trucks in July rose 14% and cleared 22,000 units, WardsAuto.com reported.

U.S. retail sales of medium-duty trucks in May stayed the course and topped 22,000, slightly higher than a year earlier, WardsAutomotive.com reported.