MPG of your truck full and empty?

Discussion in 'Ask An Owner Operator' started by phmulin, Nov 6, 2014.

  1. phmulin

    phmulin Bobtail Member

    Nov 2, 2014

    I'm doing research on the mpg of different trucks and don't trust the numbers manufacturer publish. What is the real mpg you get when you
    - are full (I guess 45k lb)
    - empty and with trailer
    What equipment are you running?

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  3. Axon Transport

    Axon Transport Bobtail Member

    Nov 4, 2014
    Kansas City, KS
    I have an 09 International Prostar with 07 MaxxForce 475hp that pulls flatbed. When at gross averaging 6.8mpg, @ 68 mph and empty 10.0mpg - 10.5 depending on my right foot.
  4. double yellow

    double yellow Road Train Member

    Aug 28, 2011
    State of Jefferson
    Equipment: 2001 International 9400i condo, 12.7L Detroit, 10 speed direct, 2.64 rears, 6x4, pulling a mildly ribbed dry van:

    Bobtail (18,250 lb):
    55mph: 12.5-14mpg

    Empty (32,500 lb):
    55mph 9.5-11mpg
    65mph 8-9.5mpg

    Fully Loaded (80,000 lb):
    55mph 6.5-8.5mpg
    65mph 5.5-7.5mpg

    The range is because there is that much variance depending on terrain & wind.
    NI39601 Thanks this.
  5. trucker3205

    trucker3205 Light Load Member

    Feb 2, 2013
    harrisonburg, va
    2014 international lone star empty mpg has been reading 7-8 . loaded is around 6.1-6.5. I'm hauling 43,000 in the box and going through the West Va mountains still is above 6 mpg. This maxxforce is a brute compared to the dd15 I had.
  6. 6 Speed

    6 Speed Heavy Load Member

    Jan 2, 2014
    New D13 with 34k running heavy and fast (5 over speed limit)averaging 6.0.
    With the auto shift it is without a doubt the most awesome truck I have ever driven.
    Power is amazing.
  7. Hurst

    Hurst Registered Member

    Aug 24, 2011
    Tampa, Fl
    2005 Columbia
    Pre emissions ACERT C15 435hp
    10 spd , 3.55 axle ratio.
    Pulling 53' step deck.
    Wheels are 22.5 running 275/80 lo pro tires on steers and 295/80 on drives.
    I run 110 psi in steers. 100 psi in drives and 110 psi in 255/70 22.5 trailer tires.
    Empty weight full of fuel is 33,400 lbs

    Empty I get 5.7 - 6.78 mpg.

    Loaded can be anywhere from mid 4's in the mountains up to 6.23 mpg.

    Wanted to add....
    Over all average loaded has been 5.5 - 5.8 mpg.
    I run 63 - 65 mph when loaded. 68 - 70 when empty.
    Speed has probably the biggest impact on mpg when loaded.

    Much depends on type of load, location and terrain. Also traffic can also have adverse effects as well.

    All measurements are done old school, measuring each tank, gals vs miles.

    C15.. love the torque. Great pulling up hills. But you pay for it at the pumps.

    Last edited: Nov 6, 2014
    Skate-Board Thanks this.
  8. blr300

    blr300 Light Load Member

    Jan 5, 2014
    St. Thomas Ont. Canada
    2008 Volvo 670
    cummins isx with full egr/dpf delete and ecm tune
    13 spd 3.58 rears
    110psi in steers and 100psi drives
    pull auto freight in 53' van that has side skirts and wide based tires
    run Ontario to Tenn with 36000lbs south and 24000lbs north back
    90 day average pen and paper miles/gallons driving 58 mph is 7.8mpg us
  9. DocHoof

    DocHoof Light Load Member

    Sep 2, 2014
    2000 Pete 379EXHD
    Cat 3406E 500 HP
    13 Speed
    53' reefer

    Empty, no idea...truck rarely moves empty and when it does, not far enough for me to give any sort of mpg.

    Weight doesn't seem to make a huge difference.
    55 I get about 7
    65 gets around 6.25
    70 gets around 6
    75 gets around 5.7
    80 gets 5.5
    85 gets about 4.
    I shudder to think if I went full hammer mode in the big hole and ran 90+...
  10. Hurst

    Hurst Registered Member

    Aug 24, 2011
    Tampa, Fl
    What is your axle ratio and is that a straight 13 or does it have OD?

    I'm looking at a 2003 379 exhd with 13 spd and a CAT under the hood. I'd be pulling a step deck hauling just about anything. My main hesitation is the 379 notorious reputation for hauling between 4 - 5 mpg.

    Its almost too good of a price to turn away from and I've wanted a 379 for a long time now. But business is business. I dont want to pay just to have a 379.

  11. Steeleandsonfarms

    Steeleandsonfarms Light Load Member

    Sep 16, 2012
    Edgerton, OH
    2000 Volvo 660. 12.7l detroit. super 10 trans. Pulling a great dane 10-2 spread. Empty 6.5 to 7. Loaded 4.5 to 5.5
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