Methodology guide
Limits, cylinder safety, and when to stop shopping this ladder.
Calculator
Welding cart capacity calculator
Enter welder/plasma weight and extras on the cart in pounds. Get required capacity (welder + extras) and a 265 / 350 / 400 lb class or NO_MATCH. Confirm static vs dynamic rating; chain cylinders; never exceed nameplate.
Result
Required = welder_lb + extras_lb. Worked check: 150 + 40 = 190 → 265 lb class. Confirm static vs dynamic rating on the listing; secure gas cylinders with chains; never exceed nameplate; a welding cart is not a lifting device.
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