Fuel Storage & Transfer
Industrial Fuel Systems Built to Last.
3S International manufactures a complete range of industrial fuel storage and transfer systems — from UL-142 above-ground tanks to generator sub-base fuel tanks, day tanks, and complete fuel transfer systems — engineered for reliability and compliance.
Complete Fuel System Solutions
Reliable fuel storage is critical to standby power performance. 3S International designs and fabricates fuel systems to customer specification, with engineering verification in SolidWorks and production under our ISO 9001:2015 quality management system. We serve generator OEMs, EPC contractors, and end users requiring high-volume, consistent production.
Fuel System Products
Above-Ground Fuel Tanks
Custom above-ground steel fuel storage tanks fabricated to UL-142 and customer specifications — available in a wide range of capacities and configurations.
Generator Sub-Base Fuel Tanks
Integrated sub-base fuel tanks designed to mount beneath generator sets — providing fuel storage within the generator footprint for compact installations.
UL-142 Fuel Storage Systems
Steel above-ground storage tanks fabricated to UL-142 standard for flammable and combustible liquids — single-wall and double-wall configurations available.
Day Tanks & Controls
Day tanks with level controls, fill valves, and transfer pump systems for reliable fuel delivery to generator engines in critical power applications.
Fuel Transfer Systems & Pumps
Complete fuel transfer systems including pumps, piping, valves, and controls for multi-tank and remote fuel delivery configurations.
Radiator & Heat Exchanger Systems
Radiator mounting frames, heat exchanger enclosures, and cooling system structural components for generator and industrial cooling applications.
Key Specifications
UL-142 Compliant
Standard
Single & Double Wall
Configurations
Generator, Industrial, Data Center
Applications
ISO 9001:2015 Certified
Quality
SolidWorks CAD Verified
Design
High-Volume OEM Production
Volume
Need a Custom Fuel System?
Our engineering team will design a fuel storage or transfer system to your generator model, site layout, and compliance requirements.
Request Engineering Review