8×4 Water Tank Truck

8×4 Water Tank Truck
8×4 Water Tank Truck
8×4 Water Tank Truck
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Heavy-Duty Trucks

The 8×4 water tank truck is engineered for a wide range of operational demands. Featuring a 380 HP Weichai 6-cylinder engine paired with a 12-speed manual transmission and dual-reduction rear axles, it delivers high output power for superior handling of complex terrains and steep inclines. Its large 30 m³ tank capacity makes it well-suited for heavy-duty sanitation and industrial support tasks across diverse environments.

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  • Engine power 380 HP / 2200 rpm
  • Tank capacity 20–30 m³
  • Gradeability 30% (fully loaded)
  • Maximum speed 80 km/h
Dimensional Drawing
Specifications
Model 3138 Water Tank Truck
Driving Type 8×4
Engine Type: WP10.380E32
Version: EURO II
Displacement (I): 9,726
Max. Power (HP/rpm): 380/2200
Max. Torque (N.m/rpm): 1460/1400~1600
Cylinder: 6 in-line
Transmission 12JS200T / 15.53-1
Gears: 12 speed forward
Synchromesh or Constant Mesh: Synchromesh
Transfer Box: not available
Power Take-Off (P.T.O.): yes
Steering System 8098 Recirculating ball steering gear, hydraulic booster
Clutch Ø430mm single dry friction disc, diaphragm spring, pushing type
Fuel Tank 400L (iron)
Front Axle 7500kg 7500kg, non-drive steering
Middle & Rear Axle 13000kg 13000kg, double reduction driving axle, differential lock
Suspension Front 12pcs×2 / Rear 13pcs hard parabolic spring
Brakes Service: dual circuit air brakes
Emergency/Parking: spring potential brake
Auxiliary: EVB (optional ABS)
Electrical Equipment Alternator: 70Amp
Starter Motor: 5.5kW
Batteries: 2×12V – 135AH
Performance Data Gradeability@GVM: 30%
Max. Geared Road Speed: 80km/h
Final Drive Ratio: 5.263 (optional 4.769, 5.921)
Tyre Size and Ply Rating: 12.00R20-18PR
Steel Rim
Upper Body 20-30m³
Dimensions Wheel Base (WB): 1500 4450 1450mm
Overall Length (OL): 11500mm
Overall Width (OW): 2500mm
Overall Height (OH): 3370mm
Front Overhang (FOH): 1435mm
Rear Overhang (ROH): 2300mm
Total Vehicle Weight 15500kg

*The above data is subject to the actual product.

Technical Features
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  • Developed using the complete cab technology introduced from Daimler-Benz.
  • The NG80 cab features a semi-floating suspension system with high structural rigidity and energy absorption, providing enhanced driver protection.
  • Manufactured with high-strength steel panels through integrated stamping, combined with a multi-cavity structural design for increased rigidity.
  • Successfully passes pendulum impact testing and complies with EU crash safety certification standards. Ideal for engineering applications and mixed operating conditions

  • Developed in collaboration with EDAG Germany and benchmarked against Daimler-Benz standards, the V3 cab is a wide-body design created through a forward engineering process.
  • The V3 cab features a four-point floating suspension system, offering high structural strength and energy absorption while enhancing overall driving comfort.
  • Built with high-quality steel panels through full-body integrated stamping, along with a multi-cavity structure that increases cab rigidity.
  • Successfully passes pendulum impact tests and complies with EU crash safety certification standards. Optimized for long-distance highway transport applications.

Developed using Daimler-Benz technology, the frame features a variable-section, fish-belly-shaped composite beam design. The inner and outer frame rails are formed through a single-pass stamping process, delivering outstanding load-bearing performance. The result is a frame system renowned for its exceptional durability and structural strength, widely trusted in demanding heavy-load applications.

  • Beiben was the first in China to adopt Daimler-Benz’s dual reduction drive axle technology.
  • The axle housing is made from ductile cast iron and manufactured as a single integrated casting for enhanced strength and durability.
  • According to tests conducted by nationally accredited institutions, the axle housing can withstand 2.5 times the rated load for over 1.17 million fatigue cycles without cracking.

  • Equipped with an integrated balance suspension system developed using Daimler-Benz technology.
  • The suspension adopts a combination of leaf springs, balance suspension, thrust rods, and stabilizer bars to ensure stability under load.
  • Delivers high load-bearing capacity and excellent long-term reliability.

  • All vehicle models are equipped with Weichai engines, known for their strong reliability and high-performance output.
  • The engines are built with a high degree of structural reinforcement and generous design margins. Durability is proven through over 15,000 hours of bench testing and more than 50 million kilometers of road testing.
  • Engine lifespan exceeds 1.8 million kilometers or 30,000 hours, supporting long-term, high-intensity usage.
  • Strong environmental adaptability: maintains full power output at altitudes up to 2,800 meters, with minimal power loss under regular operation at 4,500 meters.
  • Ensures flawless cold-start performance, with zero-startup failures at -20°C.

All vehicle models are equipped with FAST brand gearbox, delivering proven performance across a wide range of applications.

  • Features a dual-countershaft design that enables power splitting and compact axial dimensions while maintaining high torque output.
  • Reinforced key gear positions ensure reliable operation under complex and demanding working conditions.
  • Offers a wide range of gear ratios for optimized powertrain matching based on application needs.
  • Achieves a B10 service life of up to 1.2 million kilometers, placing it among the most reliable transmission systems in the global heavy-duty truck industry.
Common Optional Configurations
  • Cab options: NG80 series cabs (two variants) and V3 series cabs (three variants)
  • Fuel tank: Optional fuel tank capacities can be customized according to operational needs.
  • Tire specifications: Available tire size options include 315/80R22.5, 14.00R20, 12R22.5, 12.00R24
Applications
  • Urban sanitation: With a 30 m³ tank capacity, this water tanker truck ensures efficient water storage and high-pressure road cleaning. Its maneuverability supports frequent stops and narrow urban streets, enabling reliable, all-weather municipal sanitation.
  • Oilfield operations: Built for desert and muddy oilfield environments, it provides stable transport of fracturing and cooling water to support continuous wellsite operations.
  • Mining applications: The truck’s heavy-duty 30 m³ capacity handles steep inclines and rugged gravel roads with ease, efficiently delivering water for dust suppression to help improve environmental conditions in mining areas.
  • Infrastructure and agriculture: Designed to navigate construction site ditches and muddy farmland, it accurately supplies water for concrete mixing and large-scale irrigation, supporting uninterrupted project and farming activities.
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