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Axle Balance Tandem hole rules by state Idaho
Idaho tandem hole rules: no kingpin limit for 53 ft trailers
For a 53 ft van, reefer or flatbed with a sliding tandem · Checked October 2026
No limit Idaho has no kingpin-to-rear-axle limit for a standard 53 ft trailer. Slide for weight only.
How to read it
You can slide your tandems where the weight needs them, as long as each axle group, the bridge formula and gross weight are legal.
Source
Idaho Code Title 49 Ch. 10. Rules checked October 2026. Laws and enforcement change, so confirm with the state before you rely on this.
Set it in the app
In Axle Balance, open State rules and tap Idaho, or plan a route through it. Pro shows which tandem holes are legal for your trailer and warns you before a slide would put you over a state's limit. New to sliding? Read how to slide tandems.
Other states
Know which way to slide before you get back on the scale. Axle Balance is a free calculator made by a trucker. Enter your scale ticket and it tells you which way to slide your tandems and how many holes, plus your fifth wheel. Works offline in the cab.
Open the free calculatorEstimates and general information only, not legal advice. Laws change and enforcement varies. Always confirm on a certified scale and with the state before you rely on it. See the Terms of Use.