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Adding fuel capacity to a 379

Discussion in 'Peterbilt Forum' started by Bdog, Jan 10, 2017.

  1. Jan 10, 2017 #1
    Bdog

    Bdog Road Train Member

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    I have a 2007 379 with a 150 gallon tank on the passenger side.

    I want more fuel capacity. What are my options? Adding second tank? Replacing with a larger one? What kind of costs am I looking at?
     
    Bdog, Jan 10, 2017
    Bdog, Jan 10, 2017
    #1
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  3. Jan 11, 2017 #2
    TruckerPete1990

    TruckerPete1990 Road Train Member

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    Adding one to the driver side would give you 150 gallons...
     
    TruckerPete1990, Jan 11, 2017
    TruckerPete1990, Jan 11, 2017
    #2
    Big_D409 and Bean Jr. Thank this.
  4. Jan 11, 2017 #3
    White Dog

    White Dog Road Train Member

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    Never seen a 379 with one tank, so I'm a little confused.
    Seems like 1,200 lbs. of fuel (plus the weight of the tank) would make that tractor lean.

    I agree with @TruckerPete1990 ....regardless of cost, add a tank where a tank should have been in the first place.
     
    White Dog, Jan 11, 2017
    White Dog, Jan 11, 2017
    #3
  5. Jan 12, 2017 #4
    Big_D409

    Big_D409 Medium Load Member

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    I believe the biggest tank for a Pete is 200 gal. 28 inch diameter.
     
    Big_D409, Jan 12, 2017
    Big_D409, Jan 12, 2017
    #4
  7. Jan 12, 2017 #5
    Bdog

    Bdog Road Train Member

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    Diesel is about 7 lbs per gallon. A full 150 gallon tank is 1050 lbs and I doubt the tank is much over 100. They are light. Anywho the tank is on the passenger side and is offset by my 200 lbs, and the four heavy batteries on the the driver side. Probably only a 500 lb or so difference side to side.

    Regardless I want more capacity and stopped by a local shop and they are getting me prices on adding one.
     
    Bdog, Jan 12, 2017
    Bdog, Jan 12, 2017
    #5
  8. Jan 13, 2017 #6
    White Dog

    White Dog Road Train Member

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    Not gonna bother posting my 'source' because anyone can Google it...but thanks for trying to correct my math...turns out we are both wrong...I was going 8 lbs. per gallon.
    Regardless...glad you're looking into a tank for the drivers side.
     
    White Dog, Jan 13, 2017
    White Dog, Jan 13, 2017
    #6
  9. Jan 13, 2017 #7
    Bdog

    Bdog Road Train Member

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    Diesel does not weigh 8.93 lb per gallon. It is 7.1089 pounds per gallon.
     
    Bdog, Jan 13, 2017
    Bdog, Jan 13, 2017
    #7
  10. Jan 13, 2017 #8
    Big_D409

    Big_D409 Medium Load Member

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    I'd look for tanks in junkyards. They're out there. The 200 gal ones look awesome.
    You can do it yourself. Hardest part is drilling the holes in the frame.
     
    Big_D409, Jan 13, 2017
    Big_D409, Jan 13, 2017
    #8
  11. Jan 14, 2017 #9
    White Dog

    White Dog Road Train Member

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    Glad you're looking into a tank for the drivers side.
     
    White Dog, Jan 14, 2017
    White Dog, Jan 14, 2017
    #9
  12. Jan 14, 2017 #10
    mtoo

    mtoo Road Train Member

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    Those old 28" tanks were cool, but that was old school, air leaf suspension and 24.5 tires. Today we have low air leaf suspension and 22.5 low pro tires. That big tank could be sitting very close to the ground.
     
    mtoo, Jan 14, 2017
    mtoo, Jan 14, 2017
    #10
    Big_D409 Thanks this.
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