Equipment with booms, buckets or tracks has to be restrained twice: the machine to the deck, and its moving parts to the machine. Enter weight and strap rating for your count and what else must be chocked or locked.
Machinery Tie-Down Calculator — DOT-Legal Strap Count for Heavy Equipment
Heavy machinery has specific DOT securement rules that go beyond the standard tie-down formula. Know them before you move it.
Enter machinery weight and footprint. The calculator applies FMCSA §393.106 heavy equipment rules to return the strap count, WLL, and blocking requirements.
Equipment that shifts on a trailer at highway speed can overturn the vehicle. DOT machinery securement rules specify anchor points, not just strap count.
Heavy equipment haulers, construction fleet operators, and plant hire transporters.
- FMCSA 49 CFR §393.106 — heavy vehicles and equipment
- OSHA rigging standards
- DOT blocking and bracing requirements
Disclaimer: This tool is provided for educational and informational purposes only and does not constitute legal, safety, or professional advice. Sunferno Automotive Accessories cannot verify how products are installed, used, or attached in your specific vehicle or situation — proper installation, use, and securement are solely the responsibility of the user. Laws and regulations vary by jurisdiction and change over time; always confirm current requirements with your local authorities or a qualified professional. Sunferno products must be used strictly in accordance with manufacturer instructions and applicable regulations.