I hate math....

Exactly. Leave it set so when you're at max weight on drives, its at max weight on the steers. Then you'll never need to worry about being legal up front if your drives are good.

 

Remember also that fuel is about 8lbs per gallon... So if you are low on fuel and close to gross weight,,, you will have to figure out how fuel/Gallons you can take without going over gross.

I always tried to have fuel tanks upon loading, but that is not always possible.

 

Remember to do this when you are fully packed out in the tractor. I always stayed out a few months and carried a lot of can goods... Weight when you are the most heaviest in the tractor, full tanks too.

 

LOL, I love truck drivers ! It never ceases to amaze me There is no way that you can create an app or anything else to solve this dilemma. Unless your carrying the exact same load, with the exact same weight, loaded the exact same way, this will never happen. It's really simple really. You have a gauge on your dash, ussually that will tell you approx how much weight you have on your drives. As far as on tandems on trailer, time and experience will help you estimate it till you get to a scale. When your driving down the road and it feels like your in a tank or on a bucking horse then you know that your not right. When you get to the scale and weigh spend the extra to rescale after you have slid the tandems. If you slide them 4 holes, and be sure to count them, then rescale. take the new scale for trailer and subtract the original. What's left divide by the 4 holes that you slide and there you go. Example, if you slide 4 holes and it transfers 2000 lbs to trailer, divide by 4 and it shows approx 500 pounds per hole then there go. It's not rocket science guys.

 

Wait til you're so close on fuel weight you are calculating your burn rate and how much you'll have at the next scale house..that's always fun

 

Been there/done that... till my last fuel stop...forgot and got full tanks,,, ouch..... luckily the last scale house was closed.. Good Ole beer loads...

 

Here's my formula. Scale and look at scale ticket.

Say it says: (using an old scale ticket here for the numbers)

Steer: 11000
Drive: 29460
Tandem: 36560

Heres what I do.

Take the bigger number and subtract the lower number from it:

36560 - 29460 = 7000

Divide this by two (because you only want to move half the weight. Otherwise you'd end up with that much over on the other axle)

7000/2 = 3500

Assuming you're moving 250 lb per hole, divide result by 250.

3500/250 = 14

That's the number of holes you should slide your tandems to equal the axles. Check whether it's legal or not and then slide. It won't always be equal, but take the whole number and do that.

It looks like a lot, but takes 10 seconds on a calculator.

 

Here's my formula. Scale and look at scale ticket.

Say it says: (using an old scale ticket here for the numbers)

Steer: 13000
Drive: 39460
Tandem: 36560

Go around scales!

 

This is sooooo out in left field to me.
Like you guys are saying 250-350 per hole. But what trailer are you hauling? What model is it? How far apart are your holes?

There is no set method, because there are way to many variables. Part of trucking is doing math whether your sitting still figuring out tandem stuff at a t/s or on the fly rolling down the interstate calculating how much fuel you have left and how far the next cheapest fuel stop is.

Do the math, it gets easier and you'll begin to see patterns and know what happens when you do this or that.

 

No.

Slide the trailer wheels one hole you moved either 500 pounds or 750 pounds for wider spaced holes to either the tractor or added more to the trailer (Sliding wheels backward)

Rescale on CAT which is free until you reach weight legal.

Slide 5th wheel only if you cannot get below 34000 on drives to try and put more weight on trailer or off the steers if you need to and only then one or two holes.

Rescale at CAT until legal.

If you cannot reach legal axle weights of 34K on tandems and are at 80,000 gross or lower then you are overloaded somewhere in the trailer, return to shipper and physically rearrange freight.

Dispose of that fancy app thinking.

Your truck, if your company paid for a feature will contain a special load cell on each axle to weigh yourself in real time and confirm with CAT Scale.

Then there is yet another trick, the use of a airride suspension gauge sometimes on the dash for a certain poundage to carry a particular weight it's very close to reality.

Confirm with CAT Scale weight.

Then throw in 50 states worth of rules divided again into seasons and then throw in hundreds of thousands of restrictions.

No app can ever keep up with a Professional who knows how to weight a truck.

You young mobile phone people scare me, use what God gave you between your ears Son, please.