Isuzu NQR

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Auto or 5 speed? How loaded and towing what?

It's an automatic, usually loaded with old mulch/dirt and tree debris. Towing either the chipper or single axle trailer with grinder or other equipment. I'm going off of my fuel receipts, will have to see what the next ones read, if I was driving it everyday instead of the employees I'd do it by hand for a while to see for sure.
 
I just drove a 2006 Penske IH 26' Van Loaded with furniture ect.I was also pulling a 6' X 12' trailer loaded with shop equipment.I drove it from orlando Fla
back to greenville SC.It got 8.5 - 9 mpg. It had a dt466 with an auto.Now considering the size of the truck ect I would have imagined the Isuzu would get much better mileage.
 
Maybe because the little 4 banger is working harder? My truck body is also pretty heavy, 12 ft. x 4 1/2 steel box with side door and divider built like a roll off dumpster and a steel underbody box. Rides nice though! Wonder what the cost difference is on the Int'l ?
 
Todd? How about some pictures of your bed? What RPM does your truck run at 60 mph?
 
This is the best pic of the bed I have. According to the scale tickets empty it weighs around 12k lbs.

Never paid attention to the tach , I don't drive it myself too often. On a flat road it's not running too high I don't think, once up to speed it's fine. Traffic is a nightmare here too though, lot of slow moving probably eats up more fuel than any highway use we get which isn't much.
 
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The 4cyl 5 speed I drove wouldn't go over 65mph, even down hill with a back wind in a trailer trucks draft! I still really like those trucks. Very reliable, will run forever, not bad on maintenance and turn on a dime. I would trade my gmc dump in if I had the money towards one of those trucks.
 
The dump is 12' long. You mean Wide Open? I've had it up close to 80 mph before but with the lettering on the sides thought it might be a good idea to slow down:greenchainsaw:
 

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