The decline is being attributed to a 300,000+ vehicle backlog potentially prompting fleets to halt purchases in the near term, however it is also likely that concerns about the economic slowdown are also playing a major part in the latest collapse

Specifically, March Class 8 net orders were just 15,700 units (16,000 SA; 192,000 SAAR), down 66% YoY from 49,600 a year ago and down 6.7% sequentially.

Class 8 trucks, which are made by Daimler (Freightliner, Western Star), Paccar (Peterbuilt, Kenworth), Navistar International, and Volvo Group (Mack Trucks, Volvo Trucks), are one of the more common heavy trucks on the road, used for transport, logistics and occasionally (some dump trucks) for industrial purposes. Typical 18 wheelers on the road are generally all Class 8 vehicles, and traditionally are seen as an accurate coincident indicator of trade and logistics trends in the economy.