I. Chassis Section (Dongfeng Dolica D7)

Engine: Yuchai YCY30165‑60 / Yunnei D40TCIF1, 165 HP, Euro III/Euro V compliant and export‑ready versions availableTransmission: WLY 6‑speed manual transmissionWheelbase: 3800mmTires: 245/70R19.5 steel‑wire vacuum tiresRear Axle: 7‑ton heavy‑duty rear axleBraking System: Air brake + ABS, hydraulic power steering, factory‑fitted air conditionerOverall Vehicle Dimensions: 7150×2350×2935mm

II. Superstructure Tank (Total Volume: 10 m³, including 7 m³ Sewage Tank + 3 m³ Clean Water Tank)

Sewage Suction System (7 m³ Sewage Tank)

Tank Material: High‑quality Q235 carbon steel, 6mm wall thickness, with internal anti‑surge bafflesDischarge Method: Hydraulic tank lifting + hydraulic rear door opening, self‑dumping sewage dischargeVacuum Pump: Zibo SK‑12 water‑circulating vacuum pump, featuring strong suction power and anti‑clog performancePipeline Configuration: 8‑meter sewage suction hose, 100mm suction port, 150mm discharge port, equipped with overflow prevention valve and sewage viewing pipe

High‑pressure Cleaning System (3 m³ Clean Water Tank)

High‑pressure Pump: Pintuo / Shuangyao high‑pressure pump, flow rate 215L/min, pressure 22MPaDredging Pipeline: 60‑meter 19# high‑pressure dredging hose, 10 sets of alloy dredging nozzles, hydraulic automatic hose reelAdditional Functions: Air‑blown water flushing and hose spraying devices, northern‑style anti‑freezing configuration optional

III. Export Adaptation Specifications

Emission Standard: Euro III or Euro V available upon customer requestVoltage: 24V export‑specialized circuit can be refittedTank: Reinforced tank, stainless steel tank or anti‑corrosion treatment optionalFunctions: Auxiliary engine, explosion‑proof device, multi‑way valve and remote control operation can be added