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Thread: Semi tractor and gooseneck

  1. #1
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    Semi tractor and gooseneck

    I need to pull a gooseneck cargo trailer, 14,000 lb GVW, in my business and private use. I wanted to get a straight truck with sleeper which would add about 2k to insurance but found I need the loading ramp on a gooseneck trailer. The Freightliner Sport Chassis or FL60 looks like the ideal truck for my situation but I can not handle the price. I wouldn't be using it everyday but maybe 1000 mile trip per month. It occurred to me that since I have a CDL I could purchase a used, simple, older model, high mileage single axle semi truck in reasonable condition at a reasonable price, far less than a sport chassis. If I adapt it to pull a gooseneck what kind of problems do you think I would run into? Would it make a difference to DOT whether I use a Class 6, or 7 or Class 8 semi truck with a 14,000 lb GVW trailer? Would I still have to stop at weigh stations? Do you think insurance on this set up would be much different than with the straight truck idea?

    Thanks

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  3. #3
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    What class license do you have? If you have a Class A or as us old timers call it a Class 1 then you can drive anything, if you have a Class B, you can any size truck pullin a trailer up to 10,000 lbs.

  4. #4
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    I have a Class A CDL.
    1, If I buy a used Class 7 or 8 semi truck do I have to change the fifth wheel to pull a 14,000 lb trailer?
    2. Would DOT make me get a single axle semi or will they let me use a tandem axle?
    3. Can I use the trailer's electronic brakes or do I need to find trailer with air brakes?
    4. Can a used Class 7 or 8 semi be reclassified as a Class 6 semi truck?
    5. Can a used Class 7 or 8 be reclassified as a straight truck?

  5. #5
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    Are you buying a trailer with a fifth wheel hook up or a trailer with a pintle hook? If it's a fifth wheel car carrier type trailer then I do believe it's a different fifth wheel. You can use electronic brakes as long as you have the brake controller in the cab.

  6. #6
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    Yes it would be a car carrier type cargo trailer. That's what I was trying to decide on since I think the fifth wheel hookup is more sturdy. I would look for that kind of trailer if I can find a single axle semi.
    How used of a semi do you think I can get away with?

  7. #7
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    Hitch--etc

    I have a single axle former "semi" that I pull a gooseneck. A tandem duel wheel flat with dovetail I use to haul machinery and hay. I removed the 5th wheel and put a 12 inch wide channel across bottom of frame with a 25 ton ball. Put electric brake control under dash. Works OK but need fenders or a flatbed to stop water flying in wet weather. Just have flaps now. I'm farm and have been lucky not to have been checked by DOT as they would surely find a problem of some kind-----LB

  8. #8
    Charter Member Bob Horrell's Avatar
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    People do what you want to do all the time with no problems, especially since you already have a CDL. A single axle tractor would be fine and could handle the 14K trailer easily. The only reason to convert to a gooseneck is for the articulation it offers. There are a lot of ranchers that do what you want to do and convert to the gooseneck hitch so that they have the articulation they need when hauling in and out of pastures with significant elevation changes. Running electric brakes is not a problem including with DOT. A tractor pulling a 14K trailer with good electric brakes will stop just fine in any conditions. I would recommend a Prodigy electric brake controller. They are as good as the electric ones get.
    Used single axle tractors go for reasonable amounts. Look at www.Truckpaper.com. for a good quantity of these tractors.
    Good luck.

  9. #9
    Founder Steve Frazier's Avatar
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    A class 8 truck can run indefinitely if properly maintained. The most important thing will be the amount of rust the truck might have, that's not easily reversed. All other parts can be either rebuilt or replaced without too much trouble. The price you pay initially for the truck will determine the value in the amount of repairs you need to do. Some of the trucks I drove for the company I worked for had in excess of 700,000 miles and were daily runners.

    Look for a retired fleet truck with good maintenance records, perhaps take an oil sample for analysis. You can get many years of service from a used truck that has been serviced well.

  10. #10
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    4+4 transmission

    I saw 1950 Peterbilt single axle for sale on ebay with a 4+4 transmission. Is this the type where you have to steer with your elbow around the steering wheel and shift two gears at one time? How many gears are in this transmission?

  11. #11
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    ?

    Hey guys, not to high jack this thread..do you need a CDL class A or B to operate a class 7 truck (cab and chassis single axle) even if your not pulling a trailer?

  12. #12
    Senior Member Lashlander's Avatar
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    I think as long as the trucks rated GVW is 26,000 lbs or under you don't need a CDL

  13. #13
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    Quote Originally Posted by seabiscuit View Post
    I saw 1950 Peterbilt single axle for sale on ebay with a 4+4 transmission. Is this the type where you have to steer with your elbow around the steering wheel and shift two gears at one time? How many gears are in this transmission?
    A 4+4 is actually 2 transmissions one right behind the other with 4 in one and 4 in the other, giving you a combination of 16 gears. Or sometimes known as a 4 spd with a 4 spd brownie. Other combinations can include a 5 and 4 which is what I learned on.



    Texas Hayman:

    A class 7 truck is rated at 26,001 and up.

    The Federal standard requires States to issue a CDL to drivers according to the following license classifications:

    Class A -- Any combination of vehicles with a GVWR of 26,001 or more pounds provided the GVWR of the vehicle(s) being towed is in excess of 10,000 pounds.

    Class B -- Any single vehicle with a GVWR of 26,001 or more pounds, or any such vehicle towing a vehicle not in excess of 10,000 pounds GVWR.

  14. #14
    Senior Member sbrem's Avatar
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    Quote Originally Posted by seabiscuit View Post
    I saw 1950 Peterbilt single axle for sale on ebay with a 4+4 transmission. Is this the type where you have to steer with your elbow around the steering wheel and shift two gears at one time? How many gears are in this transmission?
    Here are a couple videos of people shifting 2 stick trucks
    http://www.youtube.com/watch?v=4a8SNT3uy-4
    http://www.youtube.com/watch?v=9KhPcDMGRxw
    http://www.youtube.com/watch?v=xAADEoJpTFQ

  15. #15
    Senior Member Countryboy's Avatar
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    Welcome to Heavy Equipment Forums Texas Hayman!

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