Trailer-type hydraulic cylinder pre-heat YL-400 With a pneumatic ( or hydraulic) braking equipment , would be easily to adjust the frequency of the warning light flashes and to ensure full combustion of the low-temperature liquefied gas combustion device. Its main purpose is to develop measures to reduce working hours and operation of motor vehicles the number of staffing, reducing construction costs, increase efficiency and safety of the construction site and removed from the user before and after construction of the trouble of handling hot kettle. 1.size: 4500 mm( length) * 1880mm( width) * 2280mm( height) 2.weight: 2200kg