Class 8 SONAR: ORDERS.CL8 Class 8 truck orders remained unseasonably strong through the first few months of 2024, outperforming last February by over 20%, according to ACT Research. ACT offers up a few explanations, stating that private fleet growth and some level of increased vocational spending are propping up the order levels. This makes sense, seeing as how the domestic freight market has been fractured since the pandemic began in 2020.