Grain suction machine, vehicle mounted grain lifting machine, lifting height of 2.5-4 meters, 2-5 tons per hour, suitable for small and medium-sized farms and rural mobile grain collection, easy and efficient loading, saving manpower. Vehicle mounted grain suction machines are suitable for mechanized operations such as loading, unloading, replenishment, unloading, and stacking in industries such as farms, docks, stations, and large grain depots. They are also suitable for bulk transportation and unloading in production processes such as grain processing, feed processing, and beer brewing. They can be used for particle transportation in livestock farms, feed factories, food factories, plastic factories, etc. They can transport particles such as wheat, soybeans, corn, rice, sorghum, plastics, resins, and rice horizontally or obliquely, which is lower than any transportation method or cost. This has changed traditional transportation methods, liberated labor, and made transportation more convenient. It will surely trigger a new transportation revolution!