General Single Axle Utility Trailer

Model: GSA

The GSA is packed with standout features like its 4″ Engineered Channel frame that make it a standout among other “General” single axle utility trailers.

*Note: Model being discontinued in Spring 2021.

At a Glance

GVWR: 2,990 lb
LENGTHS: 8′ – 14′
BED WIDTH: 60″ – 83″
PULL TYPE: Bumper Pull
AXLES: 3,500 lb Lippert Axle

A New Level of Economy

We built model GSA to set a new standard for the general use single axle utility trailer market. While it’s lower priced than its bigger brother premium MODEL PSA, it doesn’t skimp on standout included features like some of the other guys might.
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– See the Difference –

Find a Trailer Dealer Map

How Do I Order a GSA?

Great question! Keep scrolling to customize and build your GSA utility trailer to your liking with our interactive build-your-own trailer configurator, then you will be prompted to submit your trailer build to your nearest Diamond C dealer for quote and availability. We have an extensive dealer network of almost 200 dealers strategically placed throughout North America.

*Note: This model is being discontinued in Spring 2021.

Standout Included Features


Engineered Chanel Frame & Cross-Members

Most other “economy” utility trailers use 3″ angle iron frame – not us. Enter our CUSTOM ENGINEERED 4″ channel frame and 2″ engineered channel cross-members.

Model GSA utility trailer with 48

48" Lay-In Ramp Gate

Some guys charge extra for a gate, or don’t include one at all. Model GSA comes standard with our spring-assisted, reinforced 48″ ramp gate that includes handy lay-in functionality while not in use.

Model GSA 16 ga Smooth Fender

Radial Tires

No Bias tires here – model GSA comes standard with our premium RADIAL TIRES, the same high quality tires that every other premium Diamond C model gets.

Model GSA utility trailer with LED lights

LED Lights

Our LED LIGHTS are waterproof, rubber-mounted, impact resistant, and wired with a heavy duty wiring harness.

Quality Trailers Since 1985

Diamond C has been an industry leader for over 35 years since our humble beginnings over 3 decades ago. We strive to be on the forefront of trailer manufacturing by continuously demonstrating excellent quality and value, cutting edge innovation, and superior customer service.


DM Powder Coating System

Our custom Difference Maker DM COATING SYSTEM produces an extraordinary trailer finish that is exceptionally durable and beautiful. Model GSA comes in a striking black color that is both rugged and long-lasting.

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More Than Just a Trailer

Crabb Family

Family Owned and Operated

35 years ago a young East Texas couple embarked on a journey that at the time was merely a means to put food on the table for their growing family. Unbeknownst to them, their nature would have an endless impact on the business they would create…


Diamond C Team Members

This is who we are and what makes us Different

Our Purpose is to fuel the growth and success of Diamond C team members, our customers, and our community.
Our Niche is extraordinary trailers and service to match.
Our Core Values are Do Work and Love Strong.


Learning Center

Your one-stop-shop for everything trailer related. In-depth articles and resources about our trailers, options, culture, and what makes us stand apart from the other guys.


Popular Upgrades


10" Tongue Box

Add this handy 10″ Lockable Steel Tongue Box to safely stow away your straps, tools, and other accessories.

Model GSA utility trailer tie-downs

Extra Tie-Downs

Need more tie-down points than the included 4 Stake Pockets? No problem – add in multiple 1/2″ D-Rings and extra Stake Pockets.

Synchrony and Sheffield Logos

Finance Your Trailer

Finance a brand new GSA with ease through one of our trusted financial partners. Find out more HERE.

Diamond C Warranty Logo

Quality You Can Trust

We are proud of our trailers and stand by them. Every Diamond C trailer comes with an industry leading 3 Year WARRANTY.