Suitable. Because diesel engine is an internal combustion engine, it generates power by burning diesel oil. The bulking machine is a kind of food processing equipment, which is usually used to make popcorn, popcorn and other foods. 12 horsepower diesel engine can completely drive the puffing machine, and there will be no load operation. When working, the diesel engine drives the puffing machine to rotate, and the material is extruded, stirred, kneaded and pushed through the screw shaft of the puffing machine, so that the material can be heated, pressurized and shaped quickly, and finally foods with different shapes can be blown out from the outlet. Therefore, 12 horsepower diesel engine with expander is suitable.