Hydraulic Air Compressor For Service Truck Our range of hydraulic air compressor for service truck utilizes a variety of technologies, including screw compressors and rotary vane compressors.Naili offers solutions for a variety of challenging applications, including over-the-road tank trucks for dry bulk and liquid transportation, a wide range of utility and electric vehicles, and on-board power delivery. Typical Compressor Applications Fluidizing and discharging powders, granules, pellets and feed from dry bulk tankers. Discharge of bulk liquids from road tankers and tank containers. Compressed air for on-board power in typical utility vehicle applications such as civil engineering, tire inflation and highway maintenance. High-quality electric air compressors for future road and rail transportation.