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  1. #1
    Medium Load Member danny_379's Avatar
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    what is the actual overall length of a tractor trailer?

    i'm just curious. what is the overall length of a tractor trailer? for example, what would be the total lenght of a pete 379 and a KW W900 with a 53' trailer? would it be at least 73'? how long are just the trucks themselves. i'm also guessing that a 379 or W900 would be longer than a volvo VN670 because the 670's usually have shorter wheelbases.

    Last edited by danny_379; 08.28.2009 at 01.36 AM.

  2. #2
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    Setback axle rigs are longer in proportion to their wheelbase. From bumper in front to the rear bumper is the overall length, that distance would be approximately , plus a few inches, the frame in front of the kingpin and the trailer behind it, roughly 50 feet behind with a 3 foot pin setting on the trailer.

    There probably isn't much difference in overall length unless there is a big difference in sleeper size.

    Most tandem tractors with a sleeper will have 20 feet or more in front of the pin, the Western Star I drive is about 24 feet and it is a setback axle with a 244 inch wheelbase. The pin location on a tractor is the center of the 5th wheel.

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    Quote Originally Posted by 25(2)+2 View Post
    Setback axle rigs are longer in proportion to their wheelbase. From bumper in front to the rear bumper is the overall length, that distance would be approximately , plus a few inches, the frame in front of the kingpin and the trailer behind it, roughly 50 feet behind with a 3 foot pin setting on the trailer.

    There probably isn't much difference in overall length unless there is a big difference in sleeper size.

    Most tandem tractors with a sleeper will have 20 feet or more in front of the pin, the Western Star I drive is about 24 feet and it is a setback axle with a 244 inch wheelbase. The pin location on a tractor is the center of the 5th wheel.
    T600/660 depending on sleeper size will come in a 230-244 wb. Even tho you can find them in a 244 wb (in Canada), the most common wb for a W900 is 265-270. Studio will normally be in the 275-280 range. The bigdog Petes and KW, usually pulling a flat, step or RGN, will be in the 285-290 inch range.

    As Mr 2+2 brought out, there isnt much difference in overall length. Had a 244 in wb Columbia thats the exact same overall length as my 265wb W900L.

  4. #4
    Road Train Member Kabar's Avatar
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    The size can very. Most company truck are 230-242 regardless of make. last company I drove for had Pete 379/389 and Volvo 670. there where 2 inch's in deferents. Most O/O like a longer ride and will be in the 280's. Trailers are 53' for the most part. Flatbeds will run 40,45,48'. Some O/O refers run 48'. Al thou I don't know why they would short them selfs like that. Then you have your 40' and 28' pup's which are put together in a variety of ways. Must rigs are around the 72 foot range.

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    and of course where you have your fifth wheel set will effect the over all length some. I have a Volvo 780 with a 237 wheelbase, with a 53' trailer with a 36" pin setting (another small factor for overall length) and with my 5th whell just 1 notch forward of being centered on the axles, I am about 72 1/2 feet overall.

  6. #6
    "The Legend" REDD's Avatar
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    I've got a Pete 379 EXHD with a 265" wheelbase & 48' flatbed. I measure 69 feet from the front bumper on my truck to the icc bar on my trailer. It'll be 74 feet if I had a 53' trailer.

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    Dang it REDD. My pete is 29 foot from bumper to mud flap. I am 70 foot long and this beast is heavy. 300 gallons of fuel...

  8. #8
    "Weight Limit" Oversizeload's Avatar
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    Pete 379 day cab 242 w/b and a 53" lowboy I am 69 feet long with the 5th wheel 6 notch's from the front.

  9. #9
    "The Legend" REDD's Avatar
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    I can slide my 5th. wheel & stretch it to 70' total length.... Just haven't had the need to yet. Mine is about 33K I'm guessing.... Still have not gotten the certified empty weight Mercer wanted.

  10. #10
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    Quote Originally Posted by REDD View Post
    I can slide my 5th. wheel & stretch it to 70' total length.... Just haven't had the need to yet. Mine is about 33K I'm guessing.... Still have not gotten the certified empty weight Mercer wanted.
    I am stretched. What size tanks? I am 34000

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