Methodology guide
Limits, CTA classLbs compatibility, and when to stop shopping this ladder.
Calculator
Shop press size calculator
Enter required tons. Get a 6 / 12 / 20 ton class or NO_MATCH. Shopping screen only — not a rust or corrosion force calculation.
Result
Worked checks: 4 → 6 · 10 → 12 · 18 → 20 · 25 → NO_MATCH. classLbs matches tonnage class numbers for CTA compatibility.
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