SLM4 self-loading mixer truck set concrete mixer and mixing station functions as a whole, for loading, metering, mixing, unloading and other functions, and transportation and on-site construction operations can be achieved, the production of about 12-14m³ / h . With efficient hydrostatic transmission system, the vehicle uses four-wheel drive, can produce concrete in harsh conditions, efficient and stable; with high-precision weighing system, weighing the aggregate during the loading process to ensure that the produced Concrete to meet the construction requirements, weighing accuracy within ± 3%.