Preliminary net orders for North American Class 8 heavy-duty trucks reached 24,800 units in April, down from 37,200 units the previous month but representing a 201 percent increase year-over-year, according to the latest data from ACT Research.

Significant year-over-year growth was also recorded throughout the first quarter, according to previous figures.

Market participants in the North American heavy-duty truck segment include Volvo and Traton, among others.