The electrical system of the pump will vary due to the chassis or jib at different height. The Isuzu and VOLVO is now commonly usedpump car chassis, so in this chapter, the two chassis to explain, emphasis in the 37 m pump Isuzu.Henan Daswell Machinery Co., Ltd,is a professional manufacturer and trader specializing in the research, development and production of construction machinery for nearly 30 years. Our main products are as follows:ready mix concrete plants for sale,mobile concrete batching plants,block making machine,etc. We will provide you with the best product and service. The two chassis is roughly the same as in the control principle, the main difference is the engine speed control. Isuzu pump is controlled by the stepper motor control throttle; while the VOLVO concrete boom pump truck is with electronic throttle mobile concrete mixing batch plant, so does not require stepping control of diesel engines, as long as the control signal to the electronic controller interface. Therefore, the interface circuit of two chassis are not the same, and not much different from the other control. The chassis is mainly composed of electric control: battery, generator, starter motor mobile hollow concrete block making machine, electric lighting twin shafts concrete mixer price, insurance, and the control of the central computer.