Forum Discussion

Lyrikz's avatar
Lyrikz
Explorer
Feb 25, 2014

How do i tell my actual weight on my rear axle?

I know the obvious drive on to a truck scale. But when i weight the rear of my truck, its giving me the weight of the actual axle and tires and everything. so how do i figure out the actual weight that my truck can take.

2007 dodge 3500. 6500 rear axle weight.
So, if im weighting out the rear on the scale, do i minus the weight of the tires and the axle?

20 Replies

  • sch911 wrote:
    Lyrikz wrote:
    Well, the tires/rims i have are set up for way more then i can ever carry. I have 19.5's with some 6000lb a piece samson tires....


    Doesn't matter... You axle ratings remain the same no matter how big of a tire you run with.



    Ya, i know that part, i was just referring to the tires being able to handle the weight.


    So my axle rating is 6500 pounds. When you weight that, you dont take the tires and the actual weight of the axle off that weight???
  • Lyrikz wrote:
    Well, the tires/rims i have are set up for way more then i can ever carry. I have 19.5's with some 6000lb a piece samson tires....


    Doesn't matter... You axle ratings remain the same no matter how big of a tire you run with.
  • Me Again wrote:
    JIMNLIN wrote:
    Loads placed on the trucks axles is measured at the tires and ground interface and includes axles/wheels/tires/etc.

    Just for example.... Your 3500 SRW Dodge has a 6500 RAWR and many unladin rear axles weigh in the 2900-3000 lb range which leaves around 3500-3600 lbs for a payload.
    When you have your trucks axle weighed separately keep a copy of the scale ticket in the truck for future reference.


    Jimnlin, what tires came OEM on your truck. I recall that in 2003 they switched to 17" rims and LT245/70R17 or LT265/70R17 rated at 3000 or 3195. Neither of those add up to 6500 RAWR??? I kind of remember it was the 245 and the axle rating went down for 6084 to 6000 in 2003. But I could be all wet!

    Chris


    Well, the tires/rims i have are set up for way more then i can ever carry. I have 19.5's with some 6000lb a piece samson tires....
  • In short, the weight of the "actual axle and tires and everything" COUNTS.

    If the RAWR on the door panel says 6084lbs, that means for EVERYTHING from the tires, rims, brakes, axle, shocks, springs, frame, bed, tailgate, gas tank, gasoline, brake lines, fuel lines, bolts, nuts, bumper, license plate, receiver, plus anything you put in the bed or hitch to the receiver.

    To find out how much your truck can handle, you weigh it EMPTY, and then subtract that weight from the RAWR number.
  • JIMNLIN wrote:
    Loads placed on the trucks axles is measured at the tires and ground interface and includes axles/wheels/tires/etc.

    Just for example.... Your 3500 SRW Dodge has a 6500 RAWR and many unladin rear axles weigh in the 2900-3000 lb range which leaves around 3500-3600 lbs for a payload.
    When you have your trucks axle weighed separately keep a copy of the scale ticket in the truck for future reference.


    Jimnlin, what tires came OEM on your truck. I recall that in 2003 they switched to 17" rims and LT245/70R17 or LT265/70R17 rated at 3000 or 3195. Neither of those add up to 6500 RAWR??? I kind of remember it was the 245 and the axle rating went down for 6084 to 6000 in 2003. But I could be all wet!

    Chris
  • Loads placed on the trucks axles is measured at the tires and ground interface and includes axles/wheels/tires/etc.

    Just for example.... Your 3500 SRW Dodge has a 6500 RAWR and many unladin rear axles weigh in the 2900-3000 lb range which leaves around 3500-3600 lbs for a payload.
    When you have your trucks axle weighed separately keep a copy of the scale ticket in the truck for future reference.
  • The actual weight of the tires/wheels is already accounted for when axle capacity is given.

    Weight at the scale is the "true weight" and the correct number to concern yourself with.
  • Subtract the actual rear axle weight (which includes the axle itself and wheels) from the rear axle weight rating RAWR. The RAWR should be listed on the door jamb tire rating sticker on your vehicle.