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Thread: Towing capacities kodiak v. 3500

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  1. #1
    Join Date
    Dec 2007
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    Quote Originally Posted by Mark Rinker View Post
    Yes, it has been discussed before, with plenty of head-scratching.

    The 26,000GCWR is obviously an attempt to keep the truck under CDL rules. This is further confused by the air over hydraulic braking system. Technically they are NOT air brakes which always requires a CDL. However, once you have an air system involved in the braking process, it sure gets confusing for the DOT inspectors and examiners. Its a grey area, and when interpreting grey, the law usually wins - or at least writes the ticket and lets the judge figure it out.

    Go figure...
    Common mistake on air. First, the truck GVWR or combination for GCWR must exceed 26k lbs, then the air brakes endorsement on CDL comes into play. Air (or assist) under 26,001 lbs is not an issue with an operators permit.
    2005 Chev Duramax/Allison 3500LS DRW Crew Cab, Ride-Rites, Sulastics
    B&W 30K-Turnover GN, Putnam 15K-Class-5, A/T Revos, LMM mouthpiece

    2006 Chev 6.0L/4L80e 3500WT DRW Ex-Cab 8'Flat-GN, Ride-Rites, Sulastics
    A/T Revos

  2. #2
    Join Date
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    Riverside, CA USA
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    I do not have a CDL book in front of me, but that is not the way I remember it. I thought a CDL was required for any vehicle that had air brakes!
    83 C10 Suburban, Silverado, 6.2, 700R4, 3.73, 31-10.50R15
    82 C30 Crew Cab dually, 6.2, Banks, Th400, 4.10, Gear Vendors, 235-85R16
    83 C20 Suburban, Sierra Classic, 6.2, 700R4, 4.10, custom paint, 285-50R20
    95 Yukon, 6.5, 4L80E, 3.42, 265-50R20
    73 GMC Astro 95, 8V71, 10 speed Roadranger, 110" WB, 6 each 11R24.5

  3. #3
    Join Date
    Apr 2001
    Location
    CA
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    13,585

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    Air-over brakes are not classified as air brakes, according to federal regs. Individual states may amend the regulation, locally, but for federal commercial purposes, they are not. The air part of the "air over hydraulic brake system" is considered a brake booster system component. The air does not apply the brakes at the wheels, therefore does not qualify. Even commercial vehicles with a GCWR greater than 26,001# with air-over brakes don't require an air brake endorsement.
    1985 Blazer 6.2
    2001 GMC 2500HD D/A
    dmaxmaverick@thedieselpage.com

  4. #4

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    Quote Originally Posted by Mark Rinker View Post
    Technically they are NOT air brakes which always requires a CDL.
    Air brakes don't require a CDL.

    Quote Originally Posted by DmaxMaverick View Post
    Air-over brakes are not classified as air brakes, according to federal regs..........Even commercial vehicles with a GCWR greater than 26,001# with air-over brakes don't require an air brake endorsement.
    Air over are considered air brakes according t the feds. And there is no such thing as an air brake endorsement on a CDL.

  5. #5
    Join Date
    Dec 2007
    Location
    Austin, TX
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    Quote Originally Posted by Craig M View Post
    I do not have a CDL book in front of me, but that is not the way I remember it. I thought a CDL was required for any vehicle that had air brakes!
    I referred back to the CDL .pdf and I misspoke a bit. Air brake knowledge is one of the tests and inclusive in CDL licensing, not an endorsement such as Haz-Mat. It is however offered as a item of restriction.

    You can have a class A CDL for combinations without Air Brakes. Of course, any truck with true Air Brakes will naturally be in excess of 26K lbs. So, it is somewhat true that you need a CDL for Air.

    I will check and take a look the next time I pick up a 4300 with air-ride and brakes (Nice Truck!), it may just be that they are air/hydraulics.
    2005 Chev Duramax/Allison 3500LS DRW Crew Cab, Ride-Rites, Sulastics
    B&W 30K-Turnover GN, Putnam 15K-Class-5, A/T Revos, LMM mouthpiece

    2006 Chev 6.0L/4L80e 3500WT DRW Ex-Cab 8'Flat-GN, Ride-Rites, Sulastics
    A/T Revos

  6. #6
    Join Date
    Sep 2006
    Location
    Anchorage, Ak
    Posts
    215

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    Quote Originally Posted by Hook_'em_Horns! View Post
    I will check and take a look the next time I pick up a 4300 with air-ride and brakes (Nice Truck!), it may just be that they are air/hydraulics.
    the last int. 4300 I drove had true airbrakes.
    Main rig-1978 chevy 3/4 f/t 4x4 8" lift 38 14.5 16 toyo m/t's. BUILT 350(soon to be 6.2) quad batteries. front and rear 15k winches. lockers F/R. dana60 front full float corp 14 rear. th400/np203.

    donor rig. 1988 GMC K3500 140k miles, th400. IFS(read CRAP) semi float 14 rear. drove it 142 miles home at 17mpg and 1/4 quart of delo 400.

  7. #7

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    Quote Originally Posted by Hook_'em_Horns! View Post
    for combinations without Air Brakes. Of course, any truck with true Air Brakes will naturally be in excess of 26K lbs. So, it is somewhat true that you need a CDL for Air.
    That is not true at all. There are many trucks out there under 26k GVWR with "true" air brakes.

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