Needed Help With Tandem Sliding Or Weight Limit

Topic 19345 | Page 1

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Duane C.'s Comment
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I had a trailer that I weighed St 9640 Dr 44800 total truck and trailer 78500 rear 34020. After calculation it came out to be St 9640 Dr 35160 Tr 33700. I slid my Tr tandems up 6 notches and came out with this St 9500 Dr 43940 Truck and Trailer 78520 TR 34740. After calculation it came out to be ST 9500 Dr 34440 and Tr 34560. I know I was over weight on my Drives and Trailer Tandems I went on and got lucky no scales. What would have been the proper fix. Oh by the why my fifth wheel would not slide. Can someone help?

Tandems:

Tandem Axles

A set of axles spaced close together, legally defined as more than 40 and less than 96 inches apart by the USDOT. Drivers tend to refer to the tandem axles on their trailer as just "tandems". You might hear a driver say, "I'm 400 pounds overweight on my tandems", referring to his trailer tandems, not his tractor tandems. Tractor tandems are generally just referred to as "drives" which is short for "drive axles".

Tandem:

Tandem Axles

A set of axles spaced close together, legally defined as more than 40 and less than 96 inches apart by the USDOT. Drivers tend to refer to the tandem axles on their trailer as just "tandems". You might hear a driver say, "I'm 400 pounds overweight on my tandems", referring to his trailer tandems, not his tractor tandems. Tractor tandems are generally just referred to as "drives" which is short for "drive axles".

Susan D. 's Comment
member avatar

If I'm understanding correctly, I would have made that shipper remove some freight from that trailer and shift the remaining load.

Shipper:

The customer who is shipping the freight. This is where the driver will pick up a load and then deliver it to the receiver or consignee.

Unholychaos's Comment
member avatar

If you don't have a sliding fifth wheel, then you have to take it back to the shipper and have them take some things off. You must be at max 12000 steer, 34000 drive, 34000 tandem.

Shipper:

The customer who is shipping the freight. This is where the driver will pick up a load and then deliver it to the receiver or consignee.

Tandem:

Tandem Axles

A set of axles spaced close together, legally defined as more than 40 and less than 96 inches apart by the USDOT. Drivers tend to refer to the tandem axles on their trailer as just "tandems". You might hear a driver say, "I'm 400 pounds overweight on my tandems", referring to his trailer tandems, not his tractor tandems. Tractor tandems are generally just referred to as "drives" which is short for "drive axles".

Kat's Comment
member avatar

I would not have run with that load. An overweight fine is pretty hefty from what I hear. If you can't get your weights right, get the shipper to rework the load.

Shipper:

The customer who is shipping the freight. This is where the driver will pick up a load and then deliver it to the receiver or consignee.

C T.'s Comment
member avatar

Man all this tandem stuff might as well be in Chinese lok

Tandem:

Tandem Axles

A set of axles spaced close together, legally defined as more than 40 and less than 96 inches apart by the USDOT. Drivers tend to refer to the tandem axles on their trailer as just "tandems". You might hear a driver say, "I'm 400 pounds overweight on my tandems", referring to his trailer tandems, not his tractor tandems. Tractor tandems are generally just referred to as "drives" which is short for "drive axles".

Susan D. 's Comment
member avatar

Absolutely Kat. I will NOT haul illegal loads. Oops I digress.. did it once, but I wasn't over gross, and axle weights were good, but I would have been sweating if DOT actually measured the distance from the kingpin to the center of the rear axle in a couple states ;-)

DOT:

Department Of Transportation

A department of the federal executive branch responsible for the national highways and for railroad and airline safety. It also manages Amtrak, the national railroad system, and the Coast Guard.

State and Federal DOT Officers are responsible for commercial vehicle enforcement. "The truck police" you could call them.

LDRSHIP's Comment
member avatar

Your 5th wheel is too far back!!! Your 5th wheel needs moved towards the cab. Slide the 5th around 8 notches towards the cab. That should take 800 lbs off of the drives and put it on the steers.

Susan D. 's Comment
member avatar

But he said he couldn't move his 5th wheel. Maybe he's got one that's not adjustable. Some companies do have them in a fixed position-- it so I've been told.

Old School's Comment
member avatar

I completely agree with Patrick, but you said this...

Oh by the why my fifth wheel would not slide. Can someone help?

Most rookies do not realize that you need to lower the trailer's landing gear and get the weight off of the fifth wheel to get it to slide. Did you try that?

You are definitely too light on your steers.

Daniel B.'s Comment
member avatar

If the fifth wheel is in a fixed position than it wouldnt ever be off so much. No company puts their fifth wheel in a fixed position so far back. Original poster is either doing it wrong or doesn't know how to adjust it.

I've had adjusted fifth wheels, usually that meant they disconnected the air line leading to the fifth wheel that withdraws the locking pins. Look for a disconnected air line running along your frame right before your fifth wheel. If its disconnect it, connect it back, slide fifth wheel then disconnect it again and put it back how it was.

Either way, you're going to be hard pressed to find a shipper who will take off weight when youre not even close to max gross weight.

Shipper:

The customer who is shipping the freight. This is where the driver will pick up a load and then deliver it to the receiver or consignee.

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