Look the federal government one honest opinion. Most people will assume they do know the answer but have they actually weighed their place? Probably not. I have weighed two of my campers on Federal DOT garbage compactor truck fuel efficiency scales (don't ask me how) in addition were both a few hundred pounds over the manufacturer's stated a few pounds.
Excessive regens - A lot of customers who use their trucks for work complain about very frequent regens that kill their fuel mileage and also gratification. Many customers who work outdoors in the winter months were made to leaving their old diesels run all day while these on work site. The DPF equipped trucks don't handle this very all right. The cooler idling temperature among the exhaust gas will soot up the DPF on an accelerated price. It is not uncommon for these types of customers staying on their second or third filter change ever since the garbage compactor truck For sale went into constant limp structure. The usually dealership response is: "You can't let these new trucks idle.