MPS / Mobile Power Source built double sided or single sided for AGW, EGW, AVW, and VUP automatic tank welders. Available with our without a built in spill containment drip pan incase there is a fuel or oil spill from the Lincoln or Miller MPS. The frames are built to order to fit your MPS. A.K.A. Tow Behind Power Skids that can be attached directly to a (AGW) Automatic Girth Welder (3 O’clock welder), (EGW) Electrogas Welder, (AVW) Automatic Vert Welder, (VUP) Vertical Up Welder or Automatic Girth Welder to reduce cable length and wind-up problems. This design can be built for almost any (MPS) mobile power source. The rotary grounds are attached to wheel axles to provide constant ground current conduction.
Information leaflet: MPS trailer frame leaflet 12.16.2022
Engineered for Maximum Field Reliability
When operating in remote or demanding environments, field teams require a dependable mobile power source that can withstand harsh weather and rigorous usage.
At Tank Welding LLC., our custom-built frames and tow-behind power skids are engineered precisely to keep your projects moving without interruption. By eliminating the typical vulnerabilities of extended cabling, our designs minimize downtime and optimize your overall welding efficiency on-site.
Integration with Advanced Automation
Achieving high-quality, high-deposition welds on large storage tanks requires synchronization between your power supply and your machinery. Our specialized mobile power source welding setups are tailored to integrate with heavy-duty automation systems.
Does your project demand standard vertical upright welding or precise horizontal seams? Configuring your setup with a robust mobile power source guarantees the consistent voltage necessary for code-compliant, X-ray quality welds.
Looking to fully optimize your field operations, pairing this mobile setup with a high-performance automatic girth welder creates a high-efficiency system for large-scale tank construction.
Custom Built to Your Project Specifications
No two field jobs are exactly alike, which is why Tank Welding LLC. offers fully customizable configurations to meet your unique logistical and equipment needs. From integrated eco-friendly spill containment drip pans to double-sided frame designs compatible with leading Lincoln or Miller power packages, we build solutions that adapt to your fleet.
Ready to upgrade your field capabilities or need a custom frame built for your specific requirements? Contact Tank Welding LLC. to request a quote and discover how solutions from Tank Welding LLC. can streamline your next tank construction project.





Tank Welding LLC.
Is your complete source for Automatic Storage Tank Welding Machines. We specialize in custom built to order automatic tank welding machines for LNG & flat bottom tanks. We have multiple standard site proven Automatic Girth Welder designs (AGW) / 3 O’clock Welder designs. Single pass gas shielded EGW (Electrogas Welder), single pass self shielded VUP / vertical UP Welders & AVW / multiple pass Automatic Vert Welders, Automatic Vert Buggy, Shell Buggy, Tank Jacking Equipment and complete Tank Jacking systems, automatic curved plate welders for pressure vessel / sphere / digester welding. This line of equipment is built with your choice of USA made Lincoln or Miller welding systems. The AGW travel is powered by top of the line twin German engineered inverter controlled drive motors.
Explore all of our merchandise and contact us by phone or email. https://tankwelding.com/about-us/
FAQs
What types of environments are these mobile power units designed for?
Our power source frames and skids are engineered specifically for rugged, outdoor field environments, such as remote tank farms and industrial fabrication sites where stable, localized power is critical.
Can the frame configurations support different brands of welding machines?
Yes, Tank Welding LLC. custom builds these units to be fully compatible with major industry-leading brands, including Miller and Lincoln power packages, allowing you to integrate your existing fleet.
How do these units improve overall on-site welding efficiency?
By positioning the mobile power source directly next to the construction area, you eliminate the voltage drops and safety hazards associated with running hundreds of feet of welding cables, ensuring cleaner welds and higher productivity.
Are there environmental safety features built into the designs?
We offer customizable options such as built-in environmental drip pans for fluid containment, ensuring that your mobile power source welding operations remain compliant with strict on-site environmental regulations.

