Full hydraulic four-wheel drive, continuously variable, equipped with SC4H100G3 water-cooled turbocharged diesel engine, power up to 73.5KW, gas heated hydraulic telescoping screed, steplessly adjustable vibration frequency, paving width from 2 meters to 4.5 meters Width, the functional console is modularized, the control system of the main switchgear is used, the automatic leveling device is used, the vertical flatness is 3mm/3M, the transverse gradient is within 0.02%, wet multi-disc brakes are used for driving and Parking brake, the whole machine is safe and reliable, and the material-discharging blades are made of highly wear-resistant Cr-Ni-based materials to extend the service life.