Dongfeng Duolika Sewage Suction and Cleaning Truck | DFAC 4x2 Sewage Suction and Cleaning Truck Small 4m³ Sewage 2m³ Water

I. Product Introduction

The Dongfeng Duolika Sewage Suction and Cleaning Truck is a versatile combination sewer cleaner designed for municipal sanitation operations and industrial waste management. This sewer jetting and vacuum truck integrates high-pressure cleaning with efficient vacuum suction functions, making it ideal for drainage system maintenance, septic tank emptying, and sewer pipeline cleaning. With its compact design and powerful performance, this vehicle delivers reliable operation for urban sanitation departments and industrial facilities requiring efficient waste collection equipment and environmental sanitation solutions.

II. Core Specifications

• Total Tank Volume: Approx. 6 m³ (1,585 Gallons) - split tank design for optimized operation

• Clean Water Tank Capacity: Approx. 2 m³ (528 Gallons), 4mm carbon steel construction for corrosion resistance

• Sewage Tank Capacity: Approx. 4 m³ (1,057 Gallons), 5mm carbon steel construction for heavy-duty durability

• Engine: Yuchai 140 HP (optional Quanchai 152 HP), Euro VI diesel engine, fuel-efficient, low emissions

• Transmission: Dongfeng 6-speed manual gearbox, smooth shifting, reliable transmission

• Drive Type: 4x2, compact chassis design

• Wheelbase: 3,308 mm, urban-friendly maneuverability for tight city streets

• Tires: 7.00R20 steel cord tires, heavy-duty tires for load capacity

• High-Pressure Pump: PINFU UV170 flow rate, 24 MPa pressure, for sewer pipeline cleaning and drain jetting

• Vacuum Pump: Shandong Zibo SK-9 fully sealed water ring vacuum pump, high suction power, efficient vacuum system

• Accessories: 60 meters of 19mm diameter high-pressure hose, 10 assorted nozzles for different pipe diameters, 8-meter suction hose

• Emission Standard: GB17691-2018 Euro VI, environmentally compliant

III. Dimensions, Materials & Design Philosophy

• Overall Dimensions (L×W×H): Approx. 5,995 mm × 2,090 mm × 2,650 mm, compact footprint for urban operations

• Tank Material: High-quality carbon steel plates from Wuhan Steel

  • Water Tank: 4mm thick, corrosion-resistant construction for long service life

  • Sewage Tank: 5mm thick, heavy-duty steel construction with reinforced durability for abrasion resistance

• Tank Design: Two-compartment configuration with clean water tanks on sides and sewage tank in center, optimized space utilization and balanced weight distribution

• Head Construction: One-piece cast tank heads for structural integrity, leak-proof performance, and pressure resistance

• Wheelbase: 3,308 mm optimized for tight turning radius and urban navigation in congested residential areas

• Design Philosophy: The vehicle prioritizes operational efficiency and aesthetic appeal with its "beautiful appearance and comfortable driving experience." The original factory cab features driver-centric design with modern amenities and ergonomic controls, while the split-tank configuration enables continuous operation through water-sewage separation. The vehicle is engineered for high vacuum efficiency, large capacity, and versatile applications in municipal sanitation and industrial cleaning.

IV. Structural Advantages (Chassis & Drivetrain)

Chassis & Cab:

• Cab Design: Original new-gen Duolika cab with modern styling, fully-trimmed interior, and ergonomic layout for driver comfort

• Steering: Hydraulic power steering for effortless handling, precise control, and reduced driver fatigue

• Clutch: Factory clutch assist for smooth engagement and easy operation in stop-and-go traffic

• Climate Control: Factory-installed air conditioning for operator comfort during extended shifts in all weather conditions

• Safety: ABS anti-lock braking system for accident prevention, stable stopping, and enhanced vehicle control under all conditions

Powertrain:

• Engine Options: Yuchai 140 HP (primary) or Quanchai 152 HP (optional) Euro VI diesel engines delivering reliable torque for urban operations, stop-and-go driving, and PTO operation

• Transmission: Dongfeng 6-speed manual gearbox with optimized gear ratios for smooth power delivery, fuel economy, and gradeability under load

Axles & Braking:

• Front Axle: Heavy-duty front axle engineered for load capacity, durability, and steering precision

• Rear Axle: Reinforced rear axle for maximum payload, vehicle stability, and load distribution

• Braking System: Full air brake system with ABS for reliable stopping power, emergency braking, and safe operation under full load conditions

Frame & Suspension:

• Frame Construction: Reinforced chassis frame for structural integrity, load-bearing capacity, and twist resistance on uneven terrain

• Suspension: Calibrated for ride comfort, load stability, and vibration dampening during transit over varied road surfaces

V. Product Features & Manufacturer Advantages

Advanced Pumping Systems:

• High-Pressure Jetting: New-generation PINFU UV170 high-pressure pump delivering 24 MPa pressure for clearing stubborn blockages, sewer pipe cleaning, and drain maintenance

• Complete Nozzle Set: 10 assorted nozzles of different sizes for various cleaning applications, pipe diameters, and blockage types

• Hose Reel: Rear-mounted hydraulic with 60 meters of 19mm diameter high-pressure hose for extended reach and operational flexibility

• Vacuum Pump: Shandong Zibo SK-9 fully sealed water ring vacuum pump providing deep vacuum suction for efficient sludge removal, waste extraction, and septic tank pumping

• Pump Protection: Anti-overflow valve prevents liquid entry into pump, ensuring pump longevity, reduced maintenance, and reliable performance

Tank & Operational Features:

• Tank Configuration: Side-mounted 4mm water tanks (approx. 2m³ total) and center-mounted 5mm sewage tank (approx. 4m³) for balanced weight distribution and low center of gravity

• Hydraulic Tipping: Tank with hydraulic lifting function for self-unloading sludge, efficient discharge, and rapid waste disposal into treatment facilities

• Rear Discharge: Fixed rear cover with direct dumping capability through rear port for quick emptying

• Discharge Valves: Rear-mounted 420mm quick-opening valve with 100mm ball valve,出口 port, and top suction port for versatile discharge options and flexible operation

• Visual Monitoring: Sight glass tube for level monitoring, overfill prevention, and operator awareness during filling operations

• Suction Hose: 8 meters of suction hose included for immediate field operation, waste extraction, and site deployment

Performance Advantages:

• High Vacuum Efficiency: SK-9 pump system delivers superior suction power for rapid waste collection and reduced cycle times

• Large Capacity: 4m³ sewage tank enables extended operation with fewer disposal trips, increasing productivity

• Operational Efficiency: Combined cleaning and suction functions reduce job completion time, labor costs, and equipment requirements

• Versatile Applications: Suitable for municipal sewage systems, industrial waste, septic tanks, drainage maintenance, and emergency spill response

• All-Weather Operation: Designed for reliable performance in various climate conditions with durable components

Manufacturer Advantages:

• Industry Leadership: As a leading Chinese truck manufacturer and designated government supplier, Chengli has extensive experience in specialized vehicle manufacturing for sanitation applications, waste management, and environmental protection

• Quality Construction: Features Wuhan Steel materials for corrosion resistance, abrasion resistance, and long service life in demanding environments

• Comprehensive After-Sales Service: Robust service network with warranty coverage, technical support, replacement parts, and field service for all vehicle systems

• Easy Registration: Built according to national standards, simplifying vehicle registration, compliance certification, and fleet deployment

• Factory Configuration: Complete with all standard accessories including toolbox, operating instructions, safety equipment, and documentation

• Proven Reliability: One-piece cast tank heads and reinforced construction ensure long-term durability, structural integrity, and trouble-free operation under demanding conditions

• Customization Options: Flexible configuration options to meet specific customer requirements and application needs