What You Need to Know About Sub-Base Fuel Tanks
- GULFSTREAM CONTAINER
- Jun 26, 2024
- 2 min read
Updated: Aug 30

When it comes to powering critical equipment, fuel storage is just as important as the generator itself. One of the most efficient ways to integrate fuel storage into your system is with a sub-base tank.
At Gulfstream Container, we manufacture UL 142-certified sub-base tanks designed to meet strict safety standards while delivering the reliability and durability our customers expect.
What is a Sub-Base Fuel Tank?
A sub-base tank is a fuel tank that sits directly beneath the generator set. It serves a dual purpose: providing stable support for the generator and storing the fuel needed to keep it running. Because of their compact, integrated design, sub-base tanks are a popular choice for sites where space is limited or where a clean, consolidated footprint is preferred.
Certified for Safety
Gulfstream’s sub-base tanks proudly meet UL 142 standards, meaning they are built to withstand tough conditions and comply with nationally recognized safety codes such as NFPA 30 and the International Fire Code. Features like double-wall construction, secondary containment, and leak detection options give customers added confidence in performance and safety.
Customization and Compliance
Every project has unique requirements. That is why Gulfstream offers custom-manufactured sub-base tanks designed to your exact specifications. Our tanks come complete with the necessary decals and markings to ensure full compliance with UL standards and industry regulations.
Lead Times and Availability
All Gulfstream sub-base tanks are manufactured in our Miami facility, where we prioritize efficiency with lead times of 4–6 weeks, or sooner depending on the production schedule. To make delivery even faster, select inventory is stocked at both our Miami, FL and Katy, TX warehouses, so customers can get what they need without delay.
The Bottom Line
Sub-base tanks may not be as widely discussed as stand-alone tanks, but they play a critical role in many power generation projects. With Gulfstream’s UL 142-certified sub-base tanks, you can expect safe, space-efficient fuel storage that is built to last and delivered on time.
If your interested in learning more about our UL Tanks, click here or contact us
directly: sales@gulfstreamcontainer.com
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