California APU Exemption

Topic 33325 | Page 1

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Schuyler W.'s Comment
member avatar

My company is asking me to take a trailer that is 34100lbs to California. With the APU exemption, this is legal for most states, BUT I am under the impression that it is still illegal in California. Thoughts and expertise?

APU:

Auxiliary Power Unit

On tractor trailers, and APU is a small diesel engine that powers a heat and air conditioning unit while charging the truck's main batteries at the same time. This allows the driver to remain comfortable in the cab and have access to electric power without running the main truck engine.

Having an APU helps save money in fuel costs and saves wear and tear on the main engine, though they tend to be expensive to install and maintain. Therefore only a very small percentage of the trucks on the road today come equipped with an APU.

PJ's Comment
member avatar

Where are the weights?? You say trailer and 34100.

What type trailer. Tandem axle or spread axle???

Can you adjust the trailer and or your 5th wheel???

Alot more detailed info is needed to give you a good answer!!

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".

Schuyler W.'s Comment
member avatar

Oh, sorry I thought I put it's 34100 on the drives. 11380 steer, 34100 drives, 33980 trailer. tandems slid as far back as they can be for CA.

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".

Old School's Comment
member avatar

You haven't mentioned your fuel level. Do you know how to calculate your fuel burn-off weight? Can you manage it in such a way that you keep your fuel level low while in California?

I don't even know about California and the APU exemption. You are barely over. If those weights are with a full fuel level, I'd just roll on and count on keeping my fuel low while in California.

HOS:

Hours Of Service

HOS refers to the logbook hours of service regulations.

APU:

Auxiliary Power Unit

On tractor trailers, and APU is a small diesel engine that powers a heat and air conditioning unit while charging the truck's main batteries at the same time. This allows the driver to remain comfortable in the cab and have access to electric power without running the main truck engine.

Having an APU helps save money in fuel costs and saves wear and tear on the main engine, though they tend to be expensive to install and maintain. Therefore only a very small percentage of the trucks on the road today come equipped with an APU.

Schuyler W.'s Comment
member avatar

I, um, may have forgotten that you can slide the fifth wheel... Have only needed to do it one other time... I feel stupid. I should be legal once I do that. Thanks.

NaeNaeInNC's Comment
member avatar

Oops? Sometimes all it takes is writing it out, before something hits you like a bolt of lightning and you facepalm yourself.

I, um, may have forgotten that you can slide the fifth wheel... Have only needed to do it one other time... I feel stupid. I should be legal once I do that. Thanks.

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