2026 ATC STO 400

IN STOCK   

ATC Sto 400 7' x 14' + 2' Cargo Trailer – 3.5K Axle

The ATC Sto 400 7' x 14' + 2' is a lightweight, all-aluminum cargo trailer built for clean towing, long-term durability, and everyday versatility. Using ATC's 6-sided welded aluminum tube frame and a single 3,500 lb torsion axle, the Sto 400 delivers a smooth, stable ride without the extra weight of a tandem setup. It's a smart match for half-ton trucks, SUVs, and serious weekend haulers.

Key Specifications

  • Box Size (L x W): 14' x 7'
  • Interior Length: Approx. 15' 8"
  • Interior Width: Approx. 81"
  • Interior Height: Approx. 84"
  • Axle: Dual 3,500 lb torsion axle
  • GVWR: 3,500 lb
  • Coupler: 2" coupler
  • Electrical: 7-way plug

Construction & Chassis

  • All-aluminum construction with 6-sided welded tube frame
  • One-piece aluminum roof
  • Screwless aluminum exterior skin
  • 16" on-center floor and roof crossmembers
  • Integrated aluminum tube tongue

Doors, Ramp & Security

  • Rear ramp door with transition flap
  • 32" side entry door
  • Aluminum bar-lock door hardware
  • Manual tongue jack with safety chains

Standard Sto 400 Features

  • Clean interior ready for tie-down customization
  • Rear spoiler with LED loading lights
  • Aluminum fenders and trim
  • Radial trailer tires on aluminum wheels

The Sto 400 7x14 + 2 is ideal for motorcycles, UTVs, lawn equipment, and general cargo when you want ATC build quality without stepping up to a tandem axle. Light, tough, and easy to live with — kind of like the trailer version of a good pocket knife.


About these values
BrandATC
TypeCargo Encl BP
VIN5JX1C1421TF235995
Stock IDN235995
ConditionNew
StatusIn Stock
ExteriorPolar White
Axles2x3500 lb
Notice:  Terms and payment amounts are not an offer or extension of credit. Actual terms and payments will vary based on an applicants credit history and financial resources.

Payment Calculator Form

* Illustrative only, may not be an available option
APPLY FOR CREDIT