Narrow webbing concentrates the whole pull into a thin band of bark and into your own line. Enter winch capacity and trunk size for the minimum width, and why going wider costs almost nothing and buys a lot.
Tree Saver Width Calculator for Winch Recovery — Protect the Tree and the Pull
Width matters for both the tree and the load. Too narrow and you damage bark. Too narrow for the load and you risk strap failure.
Enter your winch pull rating and anchor tree diameter. The calculator returns the minimum strap width for bark protection and the WLL required for the recovery load.
Trail access closures happen when off-road users damage trees through improper winching. A correctly sized tree saver protects the resource and your right to use it.
Winch operators and off-road drivers recovering in forested terrain.
- TREAD Lightly protocols
- SAE J1881
- Land management tree protection rules
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.