10 Customized SINOTRUK HOWO TX 22–25 CBM Water Tank Trucks Exported to Overseas Customer
July 30, 2026
To meet high-capacity municipal, construction, and dust suppression demands in international markets, Shandong Global Diamond Automobile Technology Co., Ltd. successfully completed the production and export inspection of 10 customized SINOTRUK HOWO TX 22–25 CBM Water Tank Trucks.
Project Specifications Overview
| Vehicle Parameter | Customized Engineering Specification |
| Truck Chassis | SINOTRUK HOWO TX Series Heavy-Duty Chassis |
| Tanker Capacity | 22.0 – 25.0 Cubic Meters ($22–25\text{ CBM}$) High-Volume Water Tank |
| Wheelbase | $4300 + 1350\text{ mm}$ (Tri-Axle / 6×4 Configuration) |
| Engine Power | 350 HP MAN Technology 6-Cylinder Diesel Engine ($7.36\text{L}$ Displacement) |
| Transmission | HOWO 10-Speed Manual ($1,900\text{ Nm}$) with Factory Flange PTO |
| Axle Load Capacity | 7.5T MAN Front Axle / 16T MAN Double Reduction Rear Axles |
| Frame Structure | 8+4 mm Double-Layer Reinforced Heavy-Duty Frame |
| Cabin Setup | TX-K Wide-Body Sleeper Cab with TX7 PRO Luxury Interior & Air Conditioning |
| Manufacturer | Shandong Global Diamond Automobile Technology Co., Ltd. |
Project Background & Customer Requirements
Water tank trucks (also known as water bowsers or street washing trucks) are essential assets for urban sanitation, highway cleaning, dust control at mining/construction sites, landscaping, and emergency water supply.
The overseas client required a fleet capable of supporting continuous, long-hour municipal operations. Their core requirements included:
- Large Tank Capacity: Minimizing water refilling frequency to optimize working efficiency.
- Heavy-Duty Powertrain: Sustaining reliable performance under full-load conditions on both paved roads and harsh job sites.
- Driver Ergonomics: Reducing driver fatigue during extended shifts in warm climates.
Key Technical Features & Customization Highlights
Our engineering team selected the SINOTRUK HOWO TX chassis to deliver an ideal balance of durability, high payload, and low lifecycle maintenance costs.
1. High-Output MAN Technology Drivetrain
- Powerful Diesel Engine: Driven by a proven 350HP MAN technology engine delivering $1,900\text{ Nm}$ torque, ensuring strong pulling power under maximum capacity.
- 10-Speed Transmission & PTO: Matched with a HOWO 10-speed gearbox and factory-installed Power Take-Off (PTO) to deliver stable power to the high-pressure water pump and spraying nozzles.
2. Reinforced Chassis & Heavy Axles
- Double-Layer Frame: Built with an 8+4 mm continuous steel chassis frame supported by heavy-duty multi-leaf spring suspensions.
- 16-Ton Reduction Axles: Features 16-ton MAN technology double-reduction rear axles with wheel reduction, differential locks, and a 4.803 final drive ratio for extreme torque transmission on steep or muddy terrain.
3. Comfort-Oriented Luxury Cabin
- TX7 PRO Interior: The HOWO TX-K wide-body sleeper cabin includes air conditioning, a multifunction steering wheel, cruise control, electric heated mirrors, and an electric hydraulic cab-tilt system.
Quality Assurance & Export Delivery Inspection
Before leaving our factory, all 10 HOWO TX water bowsers underwent rigorous testing to ensure compliance with export standards:
- Hydraulic & Pump Testing: Verifying water pump pressure, spray cannon coverage, and side/rear nozzle flow rates.
- Chassis & Brake Testing: Full-load brake calibration, steering geometry check, and dynamic road tests.
- Sealing & Leak Prevention Audit: Pressure testing the $22–25\text{ CBM}$ anti-corrosion tank structure to ensure leak-free operation.
Customer Benefits & Commercial Value
- Maximized Operational Uptime: Large tank volume reduces refilling cycles, allowing crews to cover vast municipal zones per shift.
- Uncompromising Structural Reliability: Reinforced chassis components resist frame twisting and component wear under heavy payloads.
- Turnkey Export Support: Complete one-stop delivery—from chassis customization and tank fabrication to ocean freight handling.
Explore Global Diamond Special-Purpose Vehicles & Trailers
As a premier special-purpose vehicle and semi-trailer manufacturer in China, Shandong Global Diamond Automobile Technology Co., Ltd. delivers custom fleet solutions worldwide. Explore our popular export lineups:
- Dump Trucks / Tipper Trucks – Heavy-duty tippers for mining and construction logistics.
- Fuel Tanker Trucks & Trailers – Certified liquid petroleum, diesel, and oil transport units.
- Lowbed Semi Trailers – Designed for heavy machinery and excavator transport.
- Flatbed Semi Trailers – Versatile open-deck trailers for container and general freight.
Build Your Custom Fleet with GD Trailer
Planning your next municipal project or expanding your commercial transport fleet? We provide customized vehicle configurations, low MOQs, and complete technical support.
Contact GD Trailer Engineers Today to request a free quote, technical drawings, and export shipping options!
