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Filter calculator, guide, and reference pages about bottle jack capacity, GVWR sizing, and 6 / 12 / 20 ton class ladders.

Tools

Interactive GVWR × 0.75 estimator.

Guides

Guide covering the 3/4 rule, jack stands, and NO_MATCH.

Reference

Comparison of bottle jack ceilings.

Reference

Example GVWR checks and class results.

Guides

Full listing of BottleJack pages.

Tools

Homepage calculator for quick bottle jack sizing.