Daihatsu Infinearth Mfg Co Ltd, formerly Daihatsu Diesel Mfg Co Ltd, is a Japan-based company mainly engaged in the manufacture and sale of internal combustion engines and industrial equipment, as well as real estate rental businesses. The Company operates in two segments. The Marine Engine-related segment is engaged in the manufacture and sale of marine diesel engines, power generation diesel engines, and propulsion diesel engines, as well as transportation and warehouse management contracting businesses. The Land Engine-related segment is engaged in the manufacture and sale of land diesel engines, gas turbines, and regular power generation systems, as well as transportation and warehouse management contracting businesses. The Company is also engaged in industrial equipment-related business, real estate rental-related business, electricity sales-related business, and precision parts-related business.