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Trailer Fit Calculator

Check whether identical machines fit within a rectangular usable deck and whether the trailer has enough rated payload.

Your measurements

Usable trailer deck
Machine and loading space

Uses a rectangular grid of identical machines, one shared orientation. Include all equipment in loaded weights. Width should account for wheel wells and gates.

YOUR ESTIMATE

Planning results

Enter your measurements and select Calculate.

Example values are prefilled. Replace them with your machine’s measurements.

Read the assumptions. Plan the next step.

What Size Trailer Do You Need for a UTV?Trailer Size for Two ATVs or Two UTVsOpen vs Enclosed ATV/UTV Trailers: Measure the Usable Space

Formulas and limitations · Find your machine’s reviewed defaults

Before you act on this result

This checks deck geometry and total trailer weight only. It does not approve loading, axle distribution, tongue weight, ramps, tie-down points, trailer brakes, hitch ratings, or tow-vehicle capacity. Rotation may be mathematically possible but physically impossible to load.

How this calculator works

Usable length/width = deck dimension − 2 × outer clearance. Machines per row = floor((usable dimension + gap) ÷ (machine dimension + gap)). Grid capacity = rows × columns. Trailer payload = GVWR − empty weight. Loaded trailer weight = empty weight + machine weight × count + other cargo.

Worked example

A 144 × 76-inch deck with 3 inches of clearance per outer edge has 138 × 70 inches of usable space. One 120 × 64-inch machine fits. With a 3,500 lb GVWR, 1,000 lb trailer, 1,500 lb machine, and 100 lb gear, the trailer has 900 lb of rating headroom.

Common questions

Can I mix different machine sizes?

This version checks identical machines in a uniform grid. For mixed machines, measure and lay out each footprint separately. Do not treat unused area as proof that another machine fits.

Are the results stored or sent anywhere?

No. Your entries are used in your browser for this calculation. Calculator entries are not saved. Optional My Machine and checklist preferences are stored locally as described in our privacy policy.