Marathon is specialized in manufacturing a variety of special purpose oil cooled transformers. One of the major products under this category is furnace transformer used in arc furnace duty applications. In case of large furnace transformers instead of radiators oil to water heat exchangers will be provided if specified. This system will help to solve the space problem in steel mills because the designs with heat exchanger occupy less space.

The other special purpose transformers manufactured by us are transformers for variable speed drive, transformers for testing application, Transformers for unit grounding and motor starting auto transformers etc. In short our company offers total solution for all kind of transformer requirement.