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Prō 300G – Cargo Gooseneck

15,000 BTU A/C w/ Manual Controls 

From Cargo to Command Center

Introducing the newest offering in our Commercial line up, the Prō 300G. These versatile units offer ample garage storage for all your hauling needs or can double as a spacious command center. The Pro 300G is prepped for a variety of upfits, including air conditioning, a partition wall, a bathroom with a toilet and sink, and a generator package that includes a compartment, wiring, and tank framing.

Sizes
Available in 36', 40', 44'
Basemodels
Choose the perfect fit from 3 models
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Prō 300G 40' Model Pictured
Prō 300G 40' Model Pictured
Prō 300G 40' Model Pictured
Prō 300G 40' Model Pictured
Prō 300G 40' Model Pictured
Prō 300G 40' Model Pictured
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Explore our configurations

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36' Gooseneck

View Details
0/0
Axle Rating
(2) 7,000 lb
GVWR
15,400 lb
Estimated Base Model Weight
5,700 lb
Estimated Carry Capacity
9,700 lb
Axle Type
Torsion
Overall Length
36' 2"
Overall Width
102"
Overall Height
10' 1/4"
Interior Length Main Floor
27' 4"
Interior Length Bunk
8' 6 1/2"
Interior Width
97 5/8"
Interior Height Main Floor
7' 6"
Interior Height Bunk
40"
Minimum Ground Clearance
9 3/4"
Rear Door Opening Width (R.O)
90"
Rear Door Opening Height (R.O)
85"
Width Between Wheel Wells
81"
Brakes
4 Wheel Electric
Tire Size
ST235/85R16/LRG
Hitch Height (Positions 1, 2, 3, 4)
31 7/8", 34 1/2", 37 1/8", 39 3/4"
Hitch Ball Size
2 5/16"
Floor Crossmembers
16" OC
Wall Studs
16" OC
Ceiling Crossmembers
16" OC

40' Gooseneck

View Details
0/0
Axle Rating
(2) 7,000 lb
GVWR
15,400 lb
Estimated Base Model Weight
6,100 lb
Estimated Carry Capacity
9,300 lb
Axle Type
Torsion
Overall Length
40' 2"
Overall Width
102"
Overall Height
10' 1/4"
Interior Length Main Floor
31' 4"
Interior Length Bunk
8' 6 1/2"
Interior Width
97 5/8"
Interior Height Main Floor
7' 6"
Interior Height Bunk
40"
Minimum Ground Clearance
9 3/4"
Rear Door Opening Width (R.O)
90"
Rear Door Opening Height (R.O)
85"
Width Between Wheel Wells
81"
Brakes
4 Wheel Electric
Tire Size
ST235/85R16/LRG
Hitch Height (Positions 1, 2, 3, 4)
31 7/8", 34 1/2", 37 1/8", 39 3/4"
Hitch Ball Size
2 5/16"
Floor Crossmembers
16" OC
Wall Studs
16" OC
Ceiling Crossmembers
16" OC

44' Gooseneck

View Details
0/0
Axle Rating
(3) 7,000 lb
GVWR
23,100 lb
Estimated Base Model Weight
7,000 lb
Estimated Carry Capacity
16,100 lb
Axle Type
Torsion
Overall Length
40' 2"
Overall Width
102"
Overall Height
10' 1/4"
Interior Length Main Floor
35' 4"
Interior Length Bunk
8' 6 1/2"
Interior Width
97 5/8"
Interior Height Main Floor
7' 6"
Interior Height Bunk
40"
Minimum Ground Clearance
9 3/4"
Rear Door Opening Width (R.O)
90"
Rear Door Opening Height (R.O)
85"
Width Between Wheel Wells
81"
Brakes
4 Wheel Electric
Tire Size
ST235/85R16/LRG
Hitch Height (Positions 1, 2, 3, 4)
31 7/8", 34 1/2", 37 1/8", 39 3/4"
Hitch Ball Size
2 5/16"
Floor Crossmembers
16" OC
Wall Studs
16" OC
Ceiling Crossmembers
16" OC

The features you need most

Polar White

1/4

Black

2/4

Silver Frost

3/4

Medium Charcoal

4/4

All Standard Features

  • Frame Features
  • 2 5/16” 25,000 lb Gooseneck Coupler
  • 16” On-Center Floor, Roof, & Wall Crossmembers
  • 24,000 lb Manual Single Speed Jack
  • 7-Way Truck Plug
  • ST235/85R16/LRG - Radial on Aluminum
  • Bogey Wheels
  • Exterior Features
  • .040 Exterior Aluminum - Screwless
  • 4” Upper & Lower Trim
  • Stainless Steel Front Verticals and Top Radius with Cast Corners
  • 4,000 lb Rated Ramp Door
  • 36” Entrance Door w/ Slam Latch
  • Slide In/Out Non-Slip Grid Step
  • 36” x 36” Generator Door w/ Gas Shock
  • (2) 12V Roof Vents
  • Salem Vents
  • Interior Features
  • 7.5’ Interior Height
  • Screwless Aluminum Walls and Ceiling
  • Insulated Walls (R-3) and Ceiling (R-11)
  • Generator Compartment - Insulated - In Bunk
  • Gray Coin TPO Flooring
  • Electrical
  • (6) 14” Ceiling Lights
  • 50 Amp Intellipower w/ 60 Amp Converter
  • 50 Amp Motorbase w/ Shore Cord
  • 50 Amp Transfer Switch
  • (3) 15 Amp Interior Recepts
  • (1) 15 Amp Exterior Recept
  • (1) AGM Battery
  • A/C Brace & Wire
  • Generator Prep - Wiring & Tank Framing
  • (2) Exterior Scene Lights w/ Switch
  • (1 Pair) Loading Lights w/ Switch
  • Plumbing
  • Prepped for Bathroom with Toilet & Sink

All Popular Options

  • Additional Options
  • Single Hydraulic Jack
  • 15,000 BTU A/C w/ Manual Controls
  • 15,000 BTU A/C w/ Thermostat
  • 36” x 24” Exterior Riser Access Doors
  • Slide In/Out Step
  • Additional 36” Entrance Door with Slam Latch
  • Additional (2) Recepts Per Wall
  • (5) 12V Strip Lights w/ Switch
  • 40” High Bed Rug on Walls
  • (2) Additional Exterior Scene Lights
  • Salem Vents (Pair)
  • Half Bathroom Package — Sink & Stool
  • Half Bathroom Package w/ Kitchenette
  • Bunk Partition Wall w/ Screwless Aluminum Wall Covering
  • Upgrade 120V Recepts to 120V/USB Recepts
  • Workstation Package (Requires Furniture Track System; Can be Ordered in Multiples): (1) 30” x 20” Moveable Laminate Desk, (1) Recept
  • Spare Tire Mount w/ Aluminum Spare Tire
  • 12V Awning w/ LED Lights — 20'
  • Airline Track — Surface Mounted — Floor
  • Airline Track — Surface Mounted — Walls
  • Furniture Track System
  • Upper Cabinet Package #1G
  • Cabinet Package #3G
  • Cabinet Package #5G
  • Bunk Stairs
  • 4.0 KW Generator w/ 24 Gallon Fuel Tank & Fuel Door
  • 5.5 KW Generator w/ 24 Gallon Fuel Tank & Fuel Door
  • Fresh Water Tank – 48 Gallons w/ Water Pump & Spigot
  • Water Spigot (Requires Bathroom Package)

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