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Why the build specs matter.

Most enclosed trailers look alike on a lot. The differences are in the frame, the skin, the roof, and the running gear, and they show up after a few years of hauling. Here’s how every Sawyer is built, next to what’s common on a typical entry-level enclosed trailer.

Build area
Every Sawyer
Typical enclosed trailer
Why it matters
Exterior skin
Every SawyerScrewless .080 PolyCor skin with no exposed screws
Typical trailerThinner aluminum sheets, often .030, screwed or riveted to the frame
Why it mattersEvery screw is a hole that can leak, rust, or work loose. A thicker composite skin stays flatter and resists dents and waves.
Frame
Every SawyerAll-tube steel: 2″ × 4″ on 6′ and 7′ wides, 2″ × 6″ on 8.5′ wides
Typical trailerA mix of steel channel and angle, or a lighter tube main rail
Why it mattersTube is boxed on all four sides, so it resists flexing and twisting under load and over rough ground.
Crossmembers and walls
Every Sawyer16″ on center, floor and sidewalls
Typical trailerCommonly 24″ on center
Why it mattersCloser spacing means a stiffer floor and walls, less flex under heavy cargo, and more solid places to mount tie-downs.
Roof
Every SawyerSnow-loaded roof, fully sealed and hydro tested; tube roof studs on 24″ centers with a Thermoply liner
Typical trailerLighter roof bows; roofs often aren’t water tested before they ship
Why it mattersLeaks start at the roof. Testing every roof with water at the factory catches problems before they reach your cargo.
Axles and brakes
Every SawyerTandem torsion axles with electric brakes on both axles
Typical trailerLeaf-spring axles, with brakes often on one axle only
Why it mattersTorsion axles ride smoother with fewer parts to wear. Brakes on every wheel stop shorter and wear evenly.
Tires
Every SawyerRadials: 8-ply on 6′ and 7′ wides, 10-ply on 8.5′ wides, with the Lionshead 3-2-1 tire warranty
Typical trailerBias-ply tires
Why it mattersRadials run cooler, track straighter at highway speed, and usually last longer.
Coupler and tongue
Every Sawyer2-5/16″ Demco cast coupler on a triple-tube extended tongue
Typical trailerA 2″ coupler on a standard-length A-frame tongue
Why it mattersA heavier-rated coupler adds margin, and a longer tongue gives more turning clearance and makes backing easier.
Tongue jack
Every Sawyer3,000 lb A-frame jack with sand foot
Typical trailerA lighter jack, often without a foot
Why it mattersLifts a loaded tongue without strain and won’t sink into gravel, grass, or soft ground.
Floor and walls
Every Sawyer3/4″ StableDeck floor and 3/8″ StableDeck walls
Typical trailer3/4″ plywood floor and 3/8″ plywood walls
Why it mattersThe floor carries everything you haul. Sawyer builds it with StableDeck as standard, not as an upgrade.
Ramp door
Every SawyerHeavy-duty 2″ × 2″ ramp gate with reinforced studs and spring assist
Typical trailerLighter ramp framing; spring assist on some models
Why it mattersThe ramp takes more abuse than any other part. Heavier framing lasts longer, and spring assist makes it easy to lift.
Side door
Every SawyerOversized side door with an RV flush lock and bar lock
Typical trailerA smaller side door with an RV lock only
Why it mattersA wider opening is easier to load through, and a bar lock adds real security.
Lighting
Every SawyerTecNiq water-sealed LED strip taillights with reverse lights, interior strip light, and sealed loading lights
Typical trailerBasic taillights and a dome light, often without loading lights
Why it mattersSealed LEDs resist corrosion and moisture, and loading lights let you work after dark.
Front and trim
Every SawyerV-nose with a 24″ stoneguard; blackout package with ATP blackout fenders standard
Typical trailerA shorter stoneguard; blackout trim as a paid upgrade
Why it mattersA taller stoneguard protects the nose from rocks thrown by your tow vehicle, and the blackout look comes standard.

“Typical” describes features common on entry-level enclosed cargo trailers. Builds vary by manufacturer and model, so compare the spec sheet of any trailer you’re considering. Sawyer specs are from the 2026 standard spec sheets.

Questions to ask before you buy any enclosed trailer

  1. Is the skin screwed on, or screwless? How thick is it?
  2. Is the frame all tube steel? How far apart are the crossmembers and wall studs?
  3. Torsion axles or leaf springs? Are there brakes on every axle?
  4. Radial or bias-ply tires?
  5. What size coupler, and how long is the tongue?
  6. Was the roof water tested before the trailer shipped?
  7. Are the lights sealed LEDs? Are there loading lights?

Common questions

What should I look for when buying an enclosed trailer?

Check how the skin is attached (screwed or screwless), the frame material and crossmember spacing, whether the axles are torsion or leaf spring, whether every axle has brakes, the tire type, the coupler size, and whether the roof was water tested before it shipped.

Are torsion axles better than leaf springs on an enclosed trailer?

Torsion axles use rubber cords inside the axle tube instead of separate springs, so they ride smoother, are quieter, and have fewer parts that wear. Every Sawyer comes with tandem torsion axles and electric brakes on both axles.

What does screwless mean on an enclosed trailer?

The skin is bonded to the frame instead of screwed on, so there are no rows of screw heads to leak, rust, or loosen. Sawyer uses .080 PolyCor skin on every trailer.

Why does crossmember spacing matter?

Crossmembers support the floor. At 16″ on center, a Sawyer floor flexes less under heavy loads than one built on wider 24″ spacing.

See it for yourself.

Build your trailer and we’ll send your build sheet to the Sawyer dealers nearest you, or walk around one on a dealer’s lot.

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