Re: Trailering my B2650 Tractor and Reccomended Tie-Downs
If under 10,000 lbs, it looks like two tie-downs are the minimum under the Federal Motor Carrier Administration rules in section 393.128 (rules for securing automobiles, trucks and light vans)
Regulations Section | Federal Motor Carrier Safety Administration....
(a) Applicability. The rules in this section apply to the transportation of automobiles, light trucks, and vans which individually weigh 4,536 kg. (10,000 lb) or less. Vehicles which individually are heavier than 4,536 kg (10,000 lb) must be secured in accordance with the provisions of ァ 393.130 of this part.
(b) Securement of automobiles, light trucks, and vans. (1) Automobiles, light trucks, and vans must be restrained at both the front and rear to prevent lateral, forward, rearward, and vertical movement using a minimum of two tiedowns.
(2) Tiedowns that are designed to be affixed to the structure of the automobile, light truck, or van must use the mounting points on those vehicles that have been specifically designed for that purpose.
(3) Tiedowns that are designed to fit over or around the wheels of an automobile, light truck, or van must provide restraint in the lateral, longitudinal and vertical directions.
(4) Edge protectors are not required for synthetic webbing at points where the webbing comes in contact with the tires.
If it's over 10,000 lbs, then four tie-downs are required:
Regulations Section | Federal Motor Carrier Safety Administration
ァ 393.130: What are the rules for securing heavy vehicles, equipment and machinery?
(a) Applicability. The rules in this section apply to the transportation of heavy vehicles, equipment and machinery which operate on wheels or tracks, such as front end loaders, bulldozers, tractors, and power shovels and which individually weigh 4,536 kg (10,000 lb.) or more. Vehicles, equipment and machinery which is lighter than 4,536 kg (10,000 lb.) may also be secured in accordance with the provisions of this section, with ァ 393.128, or in accordance with the provisions of ァァ 393.100 through 393.114.
(b) Preparation of equipment being transported. (1) Accessory equipment, such as hydraulic shovels, must be completely lowered and secured to the vehicle.
(2) Articulated vehicles shall be restrained in a manner that prevents articulation while in transit.
(c) Securement of heavy vehicles, equipment or machinery with crawler tracks or wheels. (1) In addition to the requirements of paragraph (b) of this section, heavy equipment or machinery with crawler tracks or wheels must be restrained against movement in the lateral, forward, rearward, and vertical direction using a minimum of four tiedowns.
(2) Each of the tiedowns must be affixed as close as practicable to the front and rear of the vehicle, or mounting points on the vehicle that have been specifically designed for that purpose.
Additional regulations are listed in sections 393.100 thru 393.114. They are here:
Cargo Securement Rules | Federal Motor Carrier Safety Administration
I suspect each state may have it's own additional rules as well. Generally here in NC, they usually following federal rules for similar safety requirement regs