TowAtlas Rig Check

Is your setup within limits?

Pick your truck and trailer. TowAtlas uses what it already knows and asks only for the few details needed to finish the check.

Your rig

Start with what TowAtlas already knows.

0%ready

TruckNo saved truck selectedChange truck →

TrailerNo saved trailer selectedChange trailer →

Building your rig check…

TowAtlas is checking what is already known.

Quick check

Tell us how you actually travel.

These are the only everyday inputs most users need.

Loaded trailer weightActual scale weight or a realistic loaded estimate.

lb

Tongue / pin weightUse actual weight if known, or enter a percentage below.

lb

People + cargo in truckPassengers, coolers, tools and anything else in the truck.

lb

Hitch equipmentWDH, fifth-wheel hitch or other hitch equipment carried by the truck.

lb

Use tongue / pin percentage instead

Tongue / pin weight %

%

Tongue / pin—

Payload used—

Combined weight—

Vehicle & trailer ratingsAuto-filled from My Garage when available

Show details

Payload rating (lb)

GVWR (lb)

GCWR (lb)

Front GAWR (lb)

Rear GAWR (lb)

Max conventional tow (lb)

Max 5th-wheel / gooseneck (lb)

Receiver tongue rating (lb)

Trailer GVWR (lb)

Loaded truck-alone weight (lb)

Scale verificationOptional — use real axle weights when you have them

Show details

TowAtlas will not guess axle loading. Enter actual hitched axle weights only when you have scale measurements.

Actual hitched front axle (lb)

Actual hitched rear axle (lb)

Use CAT Scale Calculator

Verify Truck Verify at Scale

One setup, multiple limits

What TowAtlas Rig Check actually checks

A towing combination is not defined by one maximum tow rating. Rig Check brings the major limits into one report so you can see which rating is closest to becoming the limiting factor. Depending on the data available, that can include truck payload, trailer GVWR, conventional or fifth-wheel tow rating, receiver tongue rating, GCWR and axle ratings.

Start with exact vehicle ratings

Use ratings for your exact truck configuration rather than a model-line maximum whenever possible. Cab, bed, drivetrain, engine, axle ratio and installed equipment can change the ratings that apply to a specific vehicle.

Then enter the way you really travel

Loaded trailer weight, tongue or pin weight, people, truck cargo and hitch equipment all affect the result. If you only have estimates, Rig Check can help with planning. Actual loaded scale weights provide a better picture once the rig is assembled.

Use the limiting factor, not just the green light

A result near a rating deserves attention even if the entered numbers remain below it. Loading changes from passengers, water, cargo or hitch setup can reduce remaining capacity, so verify the exact ratings and loaded weights before relying on a towing decision.

Get real scale weights Check payload separately Estimate loaded trailer weight

Towing setup FAQ

Is staying under max tow rating enough?

No. Payload, axle, hitch, trailer and combined-weight ratings can become limiting before the published tow rating.

What number usually limits a towing setup first?

There is no single answer. The limiting rating depends on the exact truck, trailer, hitch and loading, which is why checking several ratings together is useful.

Can I use estimated tongue or pin weight?

Yes for planning. When possible, replace estimates with actual loaded measurements before making a final towing decision.