Florida Kingpin Law. Need Some Advice How To Measure

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TwoSides11's Comment
member avatar

Good day all. I'm headed to Florida in a Van and am a little worried I don't have the tandems at 41'. I'm a flatbed driver and don't deal with sliding tandems. I looked on YouTube before I left the shipper and they said to pace out 9 steps... This is what 9 steps got me:

0755081001653837442.jpg does that look like it's at 41'?? Doesn't seem right to me. There are markings on the side of the trailer but I don't know what they mean...

Also YouTube said the space between the tandems can't be more than 41'. Is that correct or the rear tandem can't be more than 41'?

If it helps, my load is 18,416lbs.... I'm at a truck stop and will look for a tape measure to measure out 9 feet from the tail of the trailer. I should be in Florida tonight or definitely tomorrow morning. Any help is greatly appreciated. Thanks and drive safe!

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.

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".

G-Town's Comment
member avatar

Florida is 41’ from kingpin to either center of tandem or center of rear axle. It can be less than that (i.e. 40’), but not over 41’.

It looks fine…don’t sweat it.

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".

Sid V.'s Comment
member avatar

Hi twosides,

Kingpin law just means they don't want you driving with your tandems all the way back.

You're light. Move your tandems all the way up towards the truck and you'll be fine.

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".

G-Town's Comment
member avatar

He’s fine where it is in the pic. Less overhang to contend with. Better ride quality too.

Hi twosides,

Kingpin law just means they don't want you driving with your tandems all the way back.

You're light. Move your tandems all the way up towards the truck and you'll be fine.

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".

Glenbob's Comment
member avatar

That looks about where I run mine here in FL. Some Knight trailers have it marked. Otherwise, I use the reinforcement piece there as approximate guide. The chart in the front of your Motor Carrier Atlas will tell you exactly where the measurements are taken for the different states that have restricted requirements.

TwoSides11's Comment
member avatar

Thanks G-town, Sid, Glennbob. I bought a tape measure and it was exactly 9 feet in-between the tandems. I did move them up one more slot because I have OCD lmao. Appreciate you guys response!

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".

Davy A.'s Comment
member avatar

I thought it was to the center of the rear axle of the tandems. That's where knight has us set them for FL and CA.

The math is simple, on the dry van trailers, the panels are 4' wide. All of our trailers, be it 68xxx to the current 87xxx have 2.5 panels al the end of the trailers. That's a total of 10' plus the 3' from the front that the king pin sits at. 53' -13 = 40.

for CA loads we set the rear axle of the tandems even with the 3rd seam back from the rear end of the trailer. For FL you can go a foot back from that.

If your DM and safety is telling you center of the tandems I'm not disputing it, but Squire school, Top Gun. My trainer, my Safety manager and DDM have all specified center of the rear axle of the tandem set.

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".

Dm:

Dispatcher, Fleet Manager, Driver Manager

The primary person a driver communicates with at his/her company. A dispatcher can play many roles, depending on the company's structure. Dispatchers may assign freight, file requests for home time, relay messages between the driver and management, inform customer service of any delays, change appointment times, and report information to the load planners.

Dry Van:

A trailer or truck that that requires no special attention, such as refrigeration, that hauls regular palletted, boxed, or floor-loaded freight. The most common type of trailer in trucking.
Davy A.'s Comment
member avatar

Well interesting, I read up on the law, it says to the center of the rear axle but then it goes on to say "or center of the rear axle set". Maybe they were just having me be conservative with it. I'll check on the CA bridge law and see if it's the same. I'm not a big fan of having the tandems up if I can help it

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".

Stevo Reno's Comment
member avatar

10' from rear edge of trailer, to center of axle 5, is 40' mark.....Have never had issues, with settings in ANY state....

G-Town's Comment
member avatar

Davy here is an excellent discussion and comparison of Bridge law and King Pin Law .

Well interesting, I read up on the law, it says to the center of the rear axle but then it goes on to say "or center of the rear axle set". Maybe they were just having me be conservative with it. I'll check on the CA bridge law and see if it's the same. I'm not a big fan of having the tandems up if I can help it

CDL:

Commercial Driver's License (CDL)

A CDL is required to drive any of the following vehicles:

  • Any combination of vehicles with a gross combined weight rating (GCWR) of 26,001 or more pounds, providing the gross vehicle weight rating (GVWR) of the vehicle being towed is in excess of 10,000 pounds.
  • Any single vehicle with a GVWR of 26,001 or more pounds, or any such vehicle towing another not in excess of 10,000 pounds.
  • Any vehicle, regardless of size, designed to transport 16 or more persons, including the driver.
  • Any vehicle required by federal regulations to be placarded while transporting hazardous materials.

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".

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