Water Tank Truck

This Howo 6×4 water tank truck carries 20,000L in a robotically-welded carbon steel tank with internal anti-surge baffles and anti-corrosion epoxy lining. A 266 hp WD615.62 diesel drives a PTO-powered self-priming pump feeding front duckbill nozzles, rear side-sprinklers, and a 360° water cannon with 30-meter spray range. HOWO76 cab with sleeper and A/C, HW13710 10-speed transmission, dual-circuit air brakes.
Chat NowProduct Details
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This Howo 6×4 water tank truck carries 20,000L in a robotically-welded carbon steel tank with internal anti-surge baffles and anti-corrosion epoxy lining. A 266 hp WD615.62 diesel drives a PTO-powered self-priming pump feeding front duckbill nozzles, rear side-sprinklers, and a 360° water cannon with 30-meter spray range. HOWO76 cab with sleeper and A/C, HW13710 10-speed transmission, dual-circuit air brakes. |

Need a water truck built to your tank spec and pump configuration?
HOWO 6×4 20,000L Water Tank Truck - Product Details
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20,000L Robotically-Welded Tank with Anti-Surge Baffles The water tank truck's 20 m³ carbon steel vessel is assembled with automated seam welding for zero-leak integrity. Internal anti-surge wave baffles absorb fluid momentum - when braking hard or climbing a steep grade, the water column doesn't slam forward and destabilize the 6×4 chassis. Interior receives sandblasting followed by food-grade epoxy or anti-rust resin lining, extending tank service life and enabling multi-purpose water transport including raw water supply. |
PTO-Driven Self-Priming Pump - Load from Lakes, Spray on Roads The water tank truck's pump runs directly off the gearbox Power Take-Off, eliminating external generators. Submerge the suction hose with foot filter into a river or pond, engage the PTO via the cab-mounted pneumatic multi-way valve, and the pump self-primes at up to 60 m³/h. Discharge mode switches to high-pressure spraying through front duckbill nozzles, rear sprinklers, and a 360° water cannon reaching 30 meters - no auxiliary power source needed. |
266 hp HOWO 6×4 with 20-ton water capacity - let's build your quote.
Specifications
| Parameter | Specification |
|---|---|
| Vehicle | |
| Truck Brand | SINOTRUK HOWO |
| Driving Type | Left hand driving (LHD / RHD available) |
| Overall Dimensions (L×W×H) | 9,896 × 2,500 × 3,680 mm |
| Wheelbase | 4,600 + 1,350 mm |
| F/R Track Base | 1,939 / 1,958 mm |
| Approach / Departure Angle | 10° / 12° |
| Max Speed | 90 km/h |
| Curb Weight | 8,000 kg |
| Loading Weight | 11,890 kg |
| Cab | HOWO76, one sleeper, air conditioner, 4-point floating suspension |
| Tank & Pump | |
| Tank Capacity | 20 m³ (stainless steel / aluminum optional) |
| Tank Material | High-tensile carbon steel, food-grade epoxy lining |
| Pump System | PTO-driven self-priming pump, up to 60 m³/h |
| Spray Equipment | Front duckbill nozzles, rear side-sprinklers, 360° water cannon (30 m range) |
| Engine | |
| Model | WD615.62, water-cooled, 4-stroke, 6-cylinder inline, turbocharged inter-cooled, direct injection |
| Max Horsepower | 266 hp |
| Fuel Type | Diesel |
| Emission Standard | EURO II |
| Fuel Tank Capacity | 350 L |
| Drivetrain & Chassis | |
| Transmission | HW13710, 10 forward + 2 reverse |
| Steering System | JL80Z |
| Front Axle | Steering with double T-cross section beam |
| Rear Axle | Pressed axle housing, central double reduction with differential locks |
| Service Brake | Dual circuit compressed air brake |
| Parking Brake | Spring energy, compressed air on rear wheels |
| Auxiliary Brake | Engine exhaust brake |
| Tires | 11.00-20, 10 + 1 spare |
| Electrical | |
| Battery | 2 × 12V / 165Ah |
| Alternator | 28V-1500W |
| Starter | 7.5 kW / 24V |
| Color | Optional |
Core Advantages
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Heavy-Duty Reinforced Tank Geometry The 20,000-liter fluid vessel is robotically welded from high-yield carbon steel plate with automated seam welding for zero leakage. Internal anti-surge wave baffles absorb fluid inertia, protecting the chassis during aggressive stopping or steep hill climbs. |
Anti-Corrosion Interior Treatment Every tank interior undergoes sandblasting followed by multiple coats of food-grade epoxy or anti-rust resin lining. This treatment extends tank service life and allows multi-purpose water transportation including raw water supply. |
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High-Output Dual-Operation Pump System Powered directly via the gearbox PTO, the heavy-duty pump enables both self-priming water loading from natural rivers or ponds and high-pressure discharge spraying - no external power generator required. |
360° Multi-Angle Spray Array Standard equipment includes front duckbill nozzles for road surface clearing, rear side-sprinklers for vegetation watering, and an elevated rear work platform with a high-pressure water cannon reaching up to 30 meters. |
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Proven Howo Heavy Chassis Stability Powered by the globally proven WD615 engine platform paired with heavy double-reduction rear axles, delivering high low-end torque to navigate muddy construction sites and rough unpaved rural routes effortlessly. |
Cost-Efficient Fleet Investment Offers maximum volumetric capacity per delivery cycle at a fraction of Western-brand acquisition costs, allowing municipal contractors and private fleets to maximize operational ROI on every water tank truck deployed. |

Applications
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Municipal Road & Sanitation Continuous high-volume street washing, dust suppression in urban zones, and greenbelt watering for parks and roadside vegetation. The 20,000L water tank truck covers long municipal routes between refills. |
Mining & Construction Dust Control Constantly dampens haul roads to minimize airborne silica dust, improving visibility and safety around open-pit mines and construction corridors where airborne particulates create regulatory and health risks. |
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Remote Water Supply & Emergency Support Acts as a mobile liquid transfer vessel supplying clean utility water to drought-affected regions and remote work camps, or as auxiliary water support for fire-fighting operations when paired with high-pressure cannon equipment. |
Multi-Purpose Fleet Adaptability A single 6×4 20,000L water tank truck replaces three separate specialty vehicles in smaller municipal fleets - handle road washing, vegetation watering, and emergency water delivery from one chassis, one operator, one maintenance schedule. |

Dust suppression, road washing, or remote water delivery - what's your use case?
About Us
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20+ Years, 500M+ RMB Annual Export Shandong Chengda Auto Sale Co., Ltd., established in 2005, is a qualified manufacturer of diversified trailer and truck solutions integrating production, R&D, and global sales. Annual export value exceeds 50 million USD, with combined domestic and international revenues approaching 600 million RMB. We maintain stable partnerships with Sinotruk, Shacman, FAW, DFAC, XUGONG, LIUGONG, and SEM Group. |
Factory Visits Welcome - 80+ Country Client Base Fleet owners, municipal contractors, and logistics companies from over 80 countries - South America, Central Asia, across Africa - source their water tank trucks from Chengda. Visit our manufacturing lines to inspect tank welding quality, hydro-testing procedures, and chassis engineering firsthand. Our international support team provides seamless language and technical consulting throughout your purchasing journey. |

Quality Assurance & Certifications
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Internationally Certified, Fully Tested Our engineering, assembly, and shipping standards meet global industry benchmarks. Official international certifications back every water tank truck exported. Each unit passes a comprehensive final PDI and water leakage pressure test before departure - upholding our record of 100% customer satisfaction upon delivery. |


Logistics & Global Delivery
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Ro-Ro, Bulk, Flat Rack, or Container Our logistics department orchestrates a vast maritime shipping network - Ro-Ro vessels, bulk carriers, flat-rack setups, and container freight - to provide the most secure and cost-effective solution for delivering your water tank truck to any destination port worldwide. |
Marine-Grade Anti-Corrosive Wax Protection To protect your investment from harsh maritime conditions during transit, every Howo water tanker truck is thoroughly treated with specialized marine-grade anti-corrosive wax before departure, ensuring it arrives paint-intact and rust-free. |

FAQ
Can the water tank material be upgraded to stainless steel or aluminum alloy?
Yes. While carbon steel is the most popular cost-effective standard, we offer full tank material customization for this water tank truck. For potable drinking water transport or corrosive liquid handling, we build the 20,000L tank shell using 304/316L food-grade stainless steel or high-grade aluminum alloy.
How does the self-priming water pump work when filling from a lake or reservoir?
The water tank truck is equipped with a heavy-duty PTO-driven self-priming pump and flexible suction hoses with foot filters. Switch the pneumatic multi-way control valve inside the cab, submerge the hose inlet, and the engine drives the pump to draw water directly into the tank at speeds up to 60 m³/h - no external generator or shore-power connection needed.
What steering configurations and cabin options are available for export?
We provide both Left-Hand Drive (LHD) and Right-Hand Drive (RHD) cabin geometries on this water tank truck to comply with your country's road regulations. Cab options include standard mechanical or air-conditioned units with single sleeper berths for operator comfort on long municipal or mining shifts.
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