Securing heavy vehicles or equipment with crawler tracks or wheel requires a minimum of how many tiedowns?

Special Circumstances: Securing Heavy Vehicles, Equipment, or Machinery with Crawler Tracks or Wheels Tiedown requirements Restrain cargo using a minimum of four tiedowns, each having a WLL of at least 2,268 kg (5,000 lb.). Prevents cargo movement in the side-to-side, forward, rearward, and vertical directions. Attach tiedowns: Either at the front and rear of the vehicle. Or at the mounting points on the vehicle designed for that purpose.