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Trailer Tandems depends on the distance between holes, how much weight you're going to move with each hole. Most folks find they very rarely have to slide the Fifth Wheel.
Rick
A CDL is required to drive any of the following vehicles:
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".
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".
I allow 250 lb for each hole (dry van). If I have 34,500 on my drive axles and 32,000 on my trailer axles, I will slide the trailer back (tandems forward) 4 or 5 hole to get a good balance. As for the fifth wheel, I have never had to fool with it, except when I picked the truck up. I keep it slid all the way back. This has worked for me every time and now I can eyeball it based on how far to the rear the trailer is loaded.
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".
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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How much weight do I allow for #1- Each hole on my trailer #2-Each "hole" on my fifth wheel
Not only do I want to get the load legal on all axles, but I want to balance it as close to perfect as I can for fuel mileage purposes.