Dongfeng Dolica 12500L Jetting & Sewage Suction Truck Product Overview This combined jetting‑suction truck adopts genuine Dongfeng Dolica chassis. It comes with separate 9cbm sewage tank and 3.5cbm clean‑water tank. Above all, it combines high‑pressure jet cleaning and sludge suction, unlike pure sewage suction trucks, it can flush blocked pipelines, ideal for sewer dredging, septic tank cleaning and municipal sanitation …