Stō 300 & 400 – Cargo Trailers

Now with more standard features and options

The new Stō 300 & 400 Series cargo trailers are loaded with standard features and options to help you get down the road efficiently and securely.

Sizes
Available in 10', 12', 14', 16', 14'
Basemodels
Choose the perfect fit from 12 models

Explore our variety of configurations

Available in 6', 6.7', 7', or 7.5' wide

6’ x 10’ + 2’ - (1) 2900# Axle

View Details
Front Shape
2' Slant Wedge
Box (L x W)
10' x 6'
Interior (L x W x H)
11' 8" x 69.3" x 78"
Overall (L x W x H)
14' 4" x 94.2" x 98.2"
Rear Door Opening (W x H)
68" x 69"
Deck Height
18"
Hitch Height
17"
Axle (Qty/Rating)
(1) 2,990 lb - Idler
GVWR
2,990 lb
Curb Weight
1,115 lb
Payload
1,875 lb
Ball Size / Coupler Rating
2" / 5,000 lb
Wheels
15" Aluminum
Tires
ST205/75R15 LRD
Power Connection
4-Way

6’ x 10’ + 2’ - (1) 3500# Axle

View Details
Front Shape
2' Slant Wedge
Box (L x W)
10' x 6'
Interior (L x W x H)
11' 8" x 69.3" x 78"
Overall (L x W x H)
14' 4" x 94.2" x 98.2"
Rear Door Opening (W x H)
68" x 69"
Deck Height
18"
Hitch Height
17"
Axle (Qty/Rating)
(1) 3,500 lb
GVWR
3,850 lb
Curb Weight
1,125 lb
Payload
2,725 lb
Ball Size / Coupler Rating
2" / 5,000 lb
Wheels
15" Aluminum
Tires
ST205/75R15 LRD
Power Connection
7-Way

6’ x 12’ + 2’ - (1) 2900# Axle

View Details
Front Shape
2' Slant Wedge
Box (L x W)
12' x 6'
Interior (L x W x H)
13' 8" x 69.3" x 78"
Overall (L x W x H)
16' 4" x 94.2" x 98.2"
Rear Door Opening (W x H)
68" x 69"
Deck Height
18"
Hitch Height
17"
Axle (Qty/Rating)
(1) 2,990 lb - Idler
GVWR
2,990 lb
Curb Weight
1,240 lb
Payload
1,750 lb
Ball Size / Coupler Rating
2" / 5,000 lb
Wheels
15" Aluminum
Tires
ST205/75R15 LRD
Power Connection
4-Way

6’ x 12’ + 2’ - (1) 3500# Axle

View Details
Front Shape
2' Slant Wedge
Box (L x W)
12' x 6'
Interior (L x W x H)
13' 8" x 69.3" x 78"
Overall (L x W x H)
16' 4" x 94.2" x 98.2"
Rear Door Opening (W x H)
68" x 69"
Deck Height
18"
Hitch Height
17"
Axle (Qty/Rating)
(1) 3,500 lb
GVWR
3,850 lb
Curb Weight
1,250 lb
Payload
2,600 lb
Ball Size / Coupler Rating
2" / 5,000 lb
Wheels
15" Aluminum
Tires
ST205/75R15 LRD
Power Connection
7-Way

6.7’ x 12’ + 2’ - (1) 3500# Axle

View Details
Front Shape
2' Slant Wedge
Box (L x W)
12' x 6.7'
Interior (L x W x H)
13' 8" x 77.3" x 78"
Overall (L x W x H)
16' 4" x 102" x 98.3"
Rear Door Opening (W x H)
76" x 69"
Deck Height
18"
Hitch Height
17"
Axle (Qty/Rating)
(1) 3,500 lb
GVWR
3,850 lb
Curb Weight
1,400 lb
Payload
2,450 lb
Ball Size / Coupler Rating
2" / 5,000 lb
Wheels
15" Aluminum
Tires
ST205/75R15 LRD
Power Connection
7-Way

6.7’ x 12’ + 2’ - (1) 5200# Axle

View Details
Front Shape
2' Slant Wedge
Box (L x W)
12' x 6.7'
Interior (L x W x H)
13' 8" x 77.3" x 78"
Overall (L x W x H)
16' 4" x 102" x 100.3"
Rear Door Opening (W x H)
76" x 69"
Deck Height
20"
Hitch Height
19"
Axle (Qty/Rating)
(1) 5,200 lb
GVWR
5,000 lb
Curb Weight
1,500 lb
Payload
3,500 lb
Ball Size / Coupler Rating
2" / 5,000 lb
Wheels
15" Aluminum
Tires
ST225/75R15 LRE
Power Connection
7-Way

6.7’ x 14’ + 2’ - (1) 3500# Axle

View Details
Front Shape
2' Slant Wedge
Box (L x W)
14' x 6.7'
Interior (L x W x H)
15' 8" x 77.3" x 78"
Overall (L x W x H)
18' 4" x 102" x 99.3"
Rear Door Opening (W x H)
76" x 69"
Deck Height
19"
Hitch Height
18"
Axle (Qty/Rating)
(1) 3,500 lb
GVWR
3,850 lb
Curb Weight
1,625 lb
Payload
2,225 lb
Ball Size / Coupler Rating
2" / 5,000 lb
Wheels
15" Aluminum
Tires
ST205/75R15 LRD
Power Connection
7-Way

6.7’ x 14’ + 2’ - (1) 5200# Axle

View Details
Front Shape
2' Slant Wedge
Box (L x W)
14' x 6.7'
Interior (L x W x H)
15' 8" x 77.3" x 78"
Overall (L x W x H)
18' 4" x 102" x 100.3"
Rear Door Opening (W x H)
76" x 69"
Deck Height
20"
Hitch Height
19"
Axle (Qty/Rating)
(1) 5,200 lb
GVWR
5,000 lb
Curb Weight
1,650 lb
Payload
3,350 lb
Ball Size / Coupler Rating
2" / 5,000 lb
Wheels
15" Aluminum
Tires
ST225/75R15 LRE
Power Connection
7-Way

7’ x 14’ + 2’ - (2) 3500# Axles

View Details
Front Shape
2' Slant Wedge
Box (L x W)
14' x 7'
Interior (L x W x H)
15' 8" x 81.3" x 84"
Overall (L x W x H)
18' 4" x 102" x 106.3"
Rear Door Opening (W x H)
80" x 81"
Deck Height
20"
Hitch Height
19"
Axle (Qty/Rating)
(2) 3,500 lb
GVWR
7,700 lb
Curb Weight
1,850 lb
Payload
5,850 lb
Ball Size / Coupler Rating
2 5/16" / 10,000 lb
Wheels
15" Aluminum
Tires
ST205/75R15 LRD
Power Connection
7-Way

7’ x 16’ + 2’ - (2) 3500# Axles

View Details
Front Shape
2' Slant Wedge
Box (L x W)
16' x 7'
Interior (L x W x H)
17' 8" x 81.3" x 84"
Overall (L x W x H)
20' 4" x 102" x 106.3"
Rear Door Opening (W x H)
80" x 81"
Deck Height
20"
Hitch Height
19"
Axle (Qty/Rating)
(2) 3,500 lb
GVWR
7,700 lb
Curb Weight
2,000 lb
Payload
5,700 lb
Ball Size / Coupler Rating
2 5/16" / 10,000 lb
Wheels
15" Aluminum
Tires
ST205/75R15 LRD
Power Connection
7-Way

7.5’ x 14’ + 2’ - (2) 3500# Axles

View Details
Front Shape
2' Slant Wedge
Box (L x W)
14' x 7.5'
Interior (L x W x H)
15' 8" x 87.3" x 84"
Overall (L x W x H)
18' 4" x 102" x 106.3"
Rear Door Opening (W x H)
86" x 81"
Deck Height
20"
Hitch Height
19"
Axle (Qty/Rating)
(2) 3,500 lb
GVWR
7,700 lb
Curb Weight
2,050 lb
Payload
5,650 lb
Ball Size / Coupler Rating
2 5/16" / 10,000 lb
Wheels
15" Aluminum
Tires
ST205/75R15 LRD
Power Connection
7-Way

7.5’ x 16’ + 2’ - (2) 3500# Axles

View Details
Front Shape
2' Slant Wedge
Box (L x W)
16' x 7.5'
Interior (L x W x H)
17' 8" x 87.3" x 84"
Overall (L x W x H)
20' 4" x 102" x 106.3"
Rear Door Opening (W x H)
86" x 81"
Deck Height
20"
Hitch Height
19"
Axle (Qty/Rating)
(2) 3,500 lb
GVWR
7,700 lb
Curb Weight
2,200 lb
Payload
5,500 lb
Ball Size / Coupler Rating
2 5/16" / 10,000 lb
Wheels
15" Aluminum
Tires
ST205/75R15 LRD
Power Connection
7-Way

The features you need most

All Standard Features

  • Frame Features
  • 2’ Wedge Slant Nose
  • Full Perimeter Aluminum Frame
  • Aluminum All-Tube Construction
  • Integrated Tongue
  • Torsion Axle(s)
  • Brakes on All 3500# or 5200# Axles
  • 7-Way Truck Plug (3500# & 5200# Axles)
  • 2” Ball A-Frame Coupler - (Stō 300)
  • 2 5/16” Ball A-Frame Coupler (Stō 400)
  • Safety Chains
  • Front Wind Tongue Jack - 2,000 lb
  • 16” O/C Floor Crossmembers
  • 16” O/C Wall Crossmembers
  • 16” O/C Roof Crossmembers
  • ST205/225 Radial Tires
  • Roof Vent Prep
  • (2) Rear Stabilizer Jacks – (Stō 300)
  • Exterior Features
  • .030 Aluminum Skin
  • Screwless/Rivetless Aluminum Exterior
  • One-Piece Aluminum Roof
  • 3” Upper & Lower Rub Rail Trim
  • LED Clearance Lights
  • 12” Slimline Tail Lights
  • 15” Aluminum Wheels
  • Taper Cut ATP Gravel Guard
  • 28” Entrance Door – Stō 300
  • 32” Entrance Door – Stō 400
  • 2,000 lb Ramp Door w/ Transition Flap
  • Aluminum Bar Locks
  • Interior Features
  • 3/4” Engineered Wood Subfloor
  • Flow Through Vents - Sidewall
  • 6.5’ Interior Height - (Stō 300)
  • 7.0’ Interior Height - (Stō 400)
  • 3/8” Engineered Wood Walls
  • Open Stud Ceiling w/ Mill Finish Cove Trim

All Popular Options

All Packages

  • Black Trim Package
  • Black ATP Gravel Guard
  • Black Upper & Lower Trims
  • Black Exterior Fasteners on Trim
  • Black Fenders
  • Black Wheels
  • Black Exterior Door Trim
  • Black Grab Handles & Bar Locks
  • Black Logos

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RVs

We offer two series of toy haulers in a variety of lengths. One offers permanently mounted furniture; the other allows you to configure components based on your needs and adventures.

Trailers

Find exactly what you need, from utility haulers to car haulers and models constructed for a variety of commercial needs. You'll also find the size and length that works best for you.

Why ATC

At ATC, we take pride in delivering better-built, longer-lasting, handcrafted aluminum trailers and toy haulers so you can haul your cargo, vehicles, and toys for decades to come.

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Use our easy locator and enter your ZIP code to find ATC dealers in your area. Most include a link to their website, where you can see what models they carry and what's available.

Haul your toys wherever you go and enjoy your stay in comfort. Our all-aluminum Plā Toy Haulers have no wood to rot or steel to rust and feature an industry-first configurable furniture system that allows you to customize your floor plan for each and every trip you take.

  RVs / Toy Haulers

We offer many ways to Plā. Choose based on the features you want, your toy inventory and the space you need.

 


Plā 350
Ultra Lite
Configurable
Toy Hauler

 

 


Plā 700
Travel Trailer
Toy Hauler

 

 


Plā 700
Fifth Wheel
Toy Hauler

 

Whether you’re hauling cargo, prized vehicles or looking for a job-specific commercial trailer, there’s an ATC model designed just for you and your needs.

  Cargo Trailers

From simple cargo trailers to a version that can be configured with furniture.

  Sport / Car Haulers

Options for hauling nearly any vehicle from ATVs to multiple race vehicles.

 


Rōm 200
Snow/Sport Trailer

 

 


Rōm 300
Car Hauler

 


Rōm 500G
Gooseneck
Car Hauler

 


Rōm 800 / 900
Stacker
28’, 30’

 

 

  Commercial Trailers

Get these commercial options to the job site or event with a standard work truck.

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