The mean forecast in a Reuters poll of analysts was for deliveries at the maker of Volvo, Mack, UD Trucks and Renault trucks to fall 6 percent year-on-year.
The Swedish group said deliveries fell 31 percent in its biggest market, Europe, while they were down 16 percent in South America.
In North America, the one real bright spot for commercial vehicles demand in recent quarters, shipments rose 21 percent while they were up 9 percent in Asia.