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Thread: Big Hood or Aerodyne Hood ?

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    Big John is offline Member Big John is an unknown poster at this point.  Don't let him/her around power tools just yet.
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    Default Big Hood or Aerodyne Hood ?

    Big Hood or Aerodyne Hood ? What is the diffrence in fuel mileage?

    What are some of you getting for MPG and what kind of truck are you driving and type of trailer?

    My old truck I average 5.8 to 6 with a 2001 Pete 379 ext. hood 475 Cat 13spd 3.55's pulling a 2006 Reitnour 48' Flat.
    Lookin At The World Thru A Windshield!

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    yoopr is offline Board Icon yoopr has a checkered past and should take up chess.
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    If that's a Year round average you're doing good.

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    Default Re: Big Hood or Aerodyne Hood ?

    Quote Originally Posted by Big John
    Big Hood or Aerodyne Hood ? What is the diffrence in fuel mileage?

    What are some of you getting for MPG and what kind of truck are you driving and type of trailer?

    My old truck I average 5.8 to 6 with a 2001 Pete 379 ext. hood 475 Cat 13spd 3.55's pulling a 2006 Reitnour 48' Flat.
    If you were getting 5.8 - 6 with a Pre-emissions engine, I hate to see what you are going to get with the new one.

  4. #4
    Big John is offline Member Big John is an unknown poster at this point.  Don't let him/her around power tools just yet.
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    The company I am leased to have over 100 of 07 Pete 379's with 475 cats and 10 spds and they have 3:36 rears, they have drivers averaging 6. 0 to 6.2 I have talked to some other fleets that are running the same trucks and cat engines and they are all doing around 6.

    I hate to see what you are going to get with the new one
    Better MPG then a Cummins!
    Lookin At The World Thru A Windshield!

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    solo379 is offline Senior Board Member solo379 is on the right path.  You could probably safely loan them a quarter.
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    Default Re: Big Hood or Aerodyne Hood ?

    Quote Originally Posted by Rev.Vassago
    If you were getting 5.8 - 6 with a Pre-emissions engine, I hate to see what you are going to get with the new one.
    Well, it depends!
    I was getting 6.7 all time average(962,000) with my 550 3406E CAT, 13 Eaton, 3.36 rears, 24.5 lp tires, in 1996 Volvo(old stile, like WGMC). 53' dry box

    I'm getting, 6.85 all time average(235,000) with my 475 Cat Acert, 13 Eaton, 3.55 rears, 24.5lp tires, in my 2005 KW T600. 53' dry box.

    I wish, i'd specsed it with 3.36 rears, and 22.5lp, would gain probably another 0.2-.3 mpg!

    As of to "aero" or "long", the faster you'll run, the more is difference.
    Identicaly specs 379, and T600, (dry box), at 75mph, i'd guess 0.8-1.0 mpg difference.

    Btw, it's a whole new learning with Acert, it's very unforgiven!
    Pessimist,- is just well informed optimist!

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    yoopr is offline Board Icon yoopr has a checkered past and should take up chess.
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    As of to "aero" or "long", the faster you'll run, the more is difference

    that is true :P
    That 10 speed is gonna drag you down a bit too

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    Truckdobe is offline Board Regular Truckdobe is an unknown poster at this point.  Don't let him/her around power tools just yet.
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    '96 W900 '04 Stepdeck 550 CAT 18 3.36s
    6.6 avg for the year (+generator fuel makes it closer to 7), range of 5.8-7.6 by the tank

    Now
    '07 W900 same stepdeck 475 CAT 18 w/3.08s
    6.5 so far, only had her a month (+ generator fuel, 40 hours, so around 7 with this one as well)
    $$$$ NOT miles

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    GMAN is offline Administrator Board Icon GMAN is a distinguished poster and probably helps little old ladies across the street. GMAN is a distinguished poster and probably helps little old ladies across the street. GMAN is a distinguished poster and probably helps little old ladies across the street. GMAN is a distinguished poster and probably helps little old ladies across the street.
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    You will normally get better fuel mileage with a aerodynamic truck than a non aero truck. I am amazed at how high the fuel mileage that some who have posted are getting. I never recall getting more than 5 mpg on my Peterbilt. :?

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    Quote Originally Posted by GMAN
    You will normally get better fuel mileage with a aerodynamic truck than a non aero truck. I am amazed at how high the fuel mileage that some who have posted are getting. I never recall getting more than 5 mpg on my Peterbilt. :?
    Trucks have come a long way since Roman Numerals were in fashion. :P

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    sidman82 is offline Senior Board Member sidman82 is an unknown poster at this point.  Don't let him/her around power tools just yet.
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    I used to get around 5, pulling a sand trailer,(120,000) local driving. Stop and go all day. That was a W900 with a 550 Cat. My current ride, Freightliner with C-10, is pretty crumby, 5.2-6.5, all light stuff, 60,000 and under. I figure you road guys (80,000) with all that highway driving, have to do better, 6.5 to 7, or 8.

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    NascarFan is offline Board Regular NascarFan is an unknown poster at this point.  Don't let him/her around power tools just yet.
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    Well you could get a T800 with the dual stacks and breathers then you could have chrome on a truck with out a big hood.

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    Truckdobe is offline Board Regular Truckdobe is an unknown poster at this point.  Don't let him/her around power tools just yet.
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    Quote Originally Posted by GMAN
    You will normally get better fuel mileage with a aerodynamic truck than a non aero truck. I am amazed at how high the fuel mileage that some who have posted are getting. I never recall getting more than 5 mpg on my Peterbilt. :?
    My '90 Pete would stay in that range if heavy and running out west or if I was in a BIG hurry.

    I got 5 on a tank this week, running @ gross with 3 bulky things catching wind in the mountains, but my avg will still be 6-ish. I'll be glad when the break-in period is over where my fuel mileage will get better. :wink:
    $$$$ NOT miles

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    Quote Originally Posted by Truckdobe
    I'll be glad when the break-in period is over where my fuel mileage will get better. :wink:
    Mine only jumped up about a third of a mile per gallon after the break in period.

  14. #14
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    BanditsCousin is offline Senior Board Member BanditsCousin is on the right path.  You could probably safely loan them a quarter.
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    MY 06 Freightliner Columbia got 6mpg at best during break in. Of course, I had it on the limiter every chance I could get (71mph).

    Driving hbits, speed, and demographic have strong influential factors in your mpg as well.
    Mud, sweat, and gears

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