Usha International Limited manufactures Air Cooled Diesel Engines. Usha International Limited is certified ISO 9001:2000 for its marketing practices. These machines are available under Usha International Limited C-I series. Used as a prime mover in propulsion, stone crushers and other agro industrial applications, the Air Cooled Diesel Engines perform functions as per BIS specifications. The Air Cooled Diesel Engines features electric start and are available in various versions.