Transformers

Our purpose-built workshop provides expert transformer refurbishments, rewinds, tank modifications, and specialist testing, including on-site oil treatment. Equipped with advanced facilities and ISO 9001 accreditation, we ensure high-quality, cost-effective solutions with fast turnaround times.

Technician working on electrical control panel with tools and wiring diagrams in a workshop.

Comprehensive Transformer Services in Brisbane

AC Hargreaves provides comprehensive transformer services including refurbishments, rewinds, tank modifications, and specialist testing; within a modern, purpose-built workshop equipped with a 32-tonne overhead crane, vacuum dry-out oven, and advanced test facility. Backed by ISO 9001 accreditation, our dedicated team of experts delivers reliable, cost-effective solutions for transformers ranging from distribution units to large power applications. We also offer on-site oil treatment, diagnostic assessments, and thermal upgrades, ensuring fast turnarounds and uncompromising quality for all outage and maintenance requirements.

Brown wooden stacks organized with metal rods in an industrial setting.

Key Capabilities

  • Rewinds and refurbishments for oil-filled and dry-type transformers
  • Fast midlife overhauls, proof testing, and diagnostic services
  • On-site oil degassing, sampling, and leak prevention
  • Transformer thermal upgrades, rating increases, and tap changer servicing
  • Radiator bank repairs, bushing replacements, and gasket changes
  • New transformer supply (oil-filled, dry-type, and power units) with associated parts and accessories

Workshop & Product Gallery

Large electrical transformer with warning sign in industrial setting
Large industrial transformer on a flatbed truck for transport, secured with chains and surrounded by trees and buildings.
Large industrial equipment on a flatbed trailer outside A.C. Hargreaves & Co building
A large red industrial transformer with three cylindrical components, located in a workshop or factory setting.
Large orange electrical transformer labeled with 'Danger 11,000 Volts' in an industrial setting, chained down for stability.
Two industrial transformers with coil windings and metal frames in a workshop setting.
Industrial machine on a flatbed truck inside a warehouse.
Large industrial coils in a warehouse
Industrial rotor being serviced in a workshop setting
Large coil of copper wire wrapped in insulation and secured with straps, likely in a workshop setting.
Large green electrical transformer with cooling fans and bushings outdoors.
Orange industrial equipment on a flatbed trailer outside a warehouse.
Industrial electrical transformer labeled "Danger 6,600 Volts" inside a facility, mounted on a platform and secured with chains.
Large industrial transformer with coiled copper wiring and insulation in a factory setting.
A white semi-truck is parked outdoors with a flatbed trailer carrying a large orange industrial machine. The trailer is positioned on a concrete surface with trees in the background.
Large electrical transformer with safety warning label of 6,900 volts and a "Danger" sign, equipped with debris guards and mounted on a yellow platform, observed by a person wearing safety gear in an industrial setting.
industrial heat exchanger in a factory setting with a worker nearby
Two large industrial transformers in a factory setting, featuring orange and white components, with labeled specifications on the exterior.
Large industrial transformer marked with a "Danger 22,000 VAC" sign, secured on a yellow platform inside a warehouse.
Three large, cylindrical electrical transformer coils wrapped in brown insulating material, mounted vertically in an industrial setting.
Large industrial electrical transformer inside a workshop, surrounded by various equipment and tools.
Workers using a crane to lift equipment at an electrical substation on a clear day.
Industrial transformer in a workshop setting