COLUMBUS, IN – Demand for commercial vehicles remained healthy in December, as 65,700 total heavy- and medium-duty trucks were ordered, according to the latest projections from ACT Research. Over the past year, there were 602,300 Class 5-8 trucks ordered, an average of better than 50,000 units per month. Of that total, 43,900 Class 8 trucks were ordered in December and 21,800 Class 5-7 trucks ordered. In fact, competitor FTR called 2014 the second-best year on record for heavy-duty truck orders. Medium-duty orders are up 44% compared with last December and the yearly total of 222,200 Class 5-8 units is 12% higher than in 2013.