Emco Ltd. Offers Low Weight Locomotive Transformer. Emco Ltd. Has obtained ISO 9001:2008, ISO 14001:2004 and OHSAS 18001:2007 certifications. Emco Ltd. Supplies equipments for power generation, transmission, distribution and industry. Low Weight Locomotive Transformer is a single and three phase transformer. Low Weight Locomotive Transformer is available in the voltage capacity of up to 25kv. The cooling feature of this transformer is OFAF. These transformers are used in railway industries. Its rating is up to 7.5MVA.