Isuzu Motors Ltd. and Yanmar Diesel Engine Co. agreed to mutually supply diesel engines for industrial use, starting this year. Isuzu will supply Yanmar with engines from 4.8 to 5.2 liters displacement, while Yanmar Diesel will supply engines with displacements from 0.5 to 3.3-liter displacements to Isuzu. The companies will sell the products through their existing networks. The program is designed to improve profitability by sharing resources and concentrating on selective operations in the area of industrial diesel engines.