With General Motors backing out of the medium-duty truck business, Sterling no longer an active brand and Isuzu’s F-Series on hold, pumpers might question what chassis choices will remain when it’s time to purchase a new vacuum truck for septic service. The answer: plenty.From the 33,000 GVWR Hino 338 Series to the beefy Peterbilt Class 8 365/367, there’s a make and model to meet most any need. While continued shrinkage of the industry is possible, current brands Western Star, International, Mack, Freightliner, Kenworth, Ford and Volvo remain. Of greater concern to truckbuilders are the effects added emissions requirements might have
