Hey all, have an interesting question. Driving a single screw day cab, pulling a 53 ft tandem axle trailer, axles all the way forward. Had 15,500 in drums toward the nose, lots of space then 4000 near the tail. On the scale my drives was 19,800. At my first stop the 4000 comes off. Am I now over weight on the drives? My thought is the tail weight is taking some weight off the drives, almost like a fat kid and a skinny kid on a teeter totter. What's your thoughts on this scenario?
Weight question
Discussion in 'LTL and Local Delivery Trucking Forum' started by WashingtonJB, Apr 21, 2026 at 9:15 AM.
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I don’t know. If you are overweight at the scale you could explain this theory to the officer. If he’s a skinny officer he would probably understand. If he’s a fat officer I would come up with a different explanation.
Sons Hero, Oldman83, blairandgretchen and 3 others Thank this. -
The whole weight of combination (Steer + Drive + trailer) are divided among those 3 axles. Removing 4,000 pounds from the combination cannot make any axle heaver than before. I would re-weigh the whole truck, paying out of my own pocket if necessary, to prove it to yourself. If I am wrong, send Syndey Sweeney to my house and I will give her the money for the re-weigh.Ddh77777 and North Pole Nightmare Thank this.
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You can put 20k on a single axle all day long. And yes, “some” weight will come off but not the 4k completely.
Trucker61016 and North Pole Nightmare Thank this. -
First thing, if you drive a single screw and have a sliding fifth wheel slide it up if you’re going to haul that kind of weight on a longbox.
Second, what I personally would have done is left the first 12 feet empty, put a load bar or two up, then load the drums. You really have to watch it when pulling longboxes with a single screw.gentleroger, Oldman83, brian991219 and 3 others Thank this. -
Thanks for the feedback. I wound up taking a route with no weight station, I already had 1 over weight ticket, don't want another.
Mack, I agree, I would of loaded it like you suggested. Our dock guys loaded it, my 2nd trailer of the day. -
I know from experience that if your 19800 lbs. on drive axle on single screw drive and your (53ft) trailer tandem is weighting 36100 lbs. and you take 2500lbs off the trailer tandems. It will up your drive axle to 20400 lbs. or close to it.
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Seems to me for that to be the case, the weight removed would have to be behind the trailer tandem.
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It was the last to pallets on the trailer, against the back door.
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There's a teeter totter effect, particularly if the tandems are all the way up. If the weights are 19,500 and 36,000, and you remove 2,500 from the back its entirely possible to end up with 20,000 and 33,000.
Somewhere I have an example of Putina load that barely axled out. We had some extra time before the first stop so I had my guy put it on the scale for practice (Urbandale, IA pilot - its a fun scale to pull onto). When we were done with the first stop I had him go back over the scale to figure out how much we could slide up. We went from just under to just over on the drives.MACK E-6 Thanks this.
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