The Premier Manufacturer
1976
the first Delta Star mobile transformer is manufactured.
800
mobile transformers manufactured and counting.
75
%
of mobiles in North America designed by Delta Star.
Remanufacturing Options
Mobile Evaluations
Delta Star can provide mobile evaluation and consulting on all mobile makes and manufacturers up to 230 kV.
Upgrades & Repairs
Delta Star can service your aging equipment, fitting it with the industry’s most recent materials and technologies.
Delivering Reliable Mobile Substations for Over 40 Years
Maintenance Services
Standard Services
Preparation for Transit, Install Impact Recorder, Heavy Haul, SF6 Handling, Set Up & Connection At Site, and more!
Oil Processing
Hot Oil Vacuum Filling, Oil Degasification, Transformer Dry Out, Oil Quality (Sampling, Testing & Analysis), and more!
Testing
Power Factor & Capacitance, Insulation Power Factor Bushing, Insulation Resistance, Winding Resistance, and more!