Straight Truck MPG Poll

guest · Aug 3, 2005

For those of you who monitor your mileage closely, would you mind sharing the following information?

(1) Average Mileage

(2) Engine

(3) Rear End

(4) Transmission

I am assuming this is based upon 65 mph or so.

I've been getting about 10.5 mpg, CAT 3126, 4:65 rear end, 6 spd.

RichM · Aug 3, 2005

1 10.8 mpg

2 Cummins C 8.3

3 Unkown

4 Fuller/Eaton 6 speed.

5 62-65 mph

davekc · Aug 3, 2005

For class 7 trucks

KW

11 to 12mpg

3.9 rear end

cat 250 running at 300hp

eaton 6 speedOD

1950 rpm @ 65 mph

simpleminded · Aug 3, 2005

KW

1) 11 mpg round about

2) cummins ISC 315

3) Unknown

4) eaton super 10

5) 70 mph @ 1700 RPM

Broompilot · Aug 5, 2005

10 to 10.6

8.3 Cummins 280hp

3.9

Allison 6spd Auto

63mph Speed kills mpg it will drop to 9 at 70 or lower. Freight does not effect mpg except WV and then very little. Its the speed that hurts the mpg so it pays me to drive slower. I hate those you got 10 hours to drive 580 loads (just an example) where you have your back against the wall.

Dynamite 1 · Aug 8, 2005

1. 05, m2/112 - 12.8 mercedes/435hp@1450tq - 3.42 rear - 6 spd. allison auto - 1275rpm@65 - 9.7/10.2 mileage is somewhat better than that but i figure it over all . i set the trip and drive and idle till i need to fuel then i fuel take the gallons it takes to fill and the mi. on the trip and do the math so in all actuality my mpg is better but i use this manner because it is more of a real situation. this only varies about 2/3 10th. at 70 and 75