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

View Floorplans

View Gallery

Explore our variety of configurations

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

Download Brochure Download Specsheet

6’ x 10’ + 2’ - (1) 2900# Axle

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

0/0

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

Light Pewter Metallic

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Medium Charcoal

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Silver Frost

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Black

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Polar White

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Dove Grey

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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

Additional Options
Side by Side Escape Door (Stō 400)
Black Trim Package
Cargo Door Package
Rear Spoiler w/ 3 LED & Back Up Lights
Add 6” Interior Height (Stō 400)
Reduce 6” Interior Height (Stō 300)
Recessed Airline Track - (9) 9" Segments
Spare Tire on Steel
Spare Tire on Aluminum
Interior Wall Spare Tire Mount
(2) 49” Light Bars in Cove
12v Powered Roof Vent - Front
15 Amp Package w/ Conversion & Lithium Prep (Stō 400)
15 Amp Package w/ Conversion & Lithium Battery (Stō 400)
(2) Stabilizer Jack - Rear (Stō 400)v

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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