Key Applications

• Preventive crack sealing for asphalt pavements
• Municipal road maintenance
• Highway and arterial road crack repair
• Airport taxiways and aprons
• Industrial parks and logistics yards

Key Features

1. Longxin Power Engine System

• Reliable gasoline engine, easy to start and operate
• Enlarged fuel tank for extended continuous operation
• Optimized combustion chamber and air intake design for higher efficiency, lower fuel consumption, and improved emissions performance

2. Integrated Control System

• Integrated circuit design for easy operation and simplified maintenance
• Includes power unit, control system, temperature display, and pump control switches
• Digital temperature monitoring for precise material control

3. High-Efficiency Hydraulic System

• Modular hydraulic system powered by a hydraulic pump
• Equipped with electronic proportional control technology for smooth and efficient operation
• Stable flow output, unaffected by load changes, ensuring consistent sealing performance
• Reduces energy consumption while improving overall efficiency

4. Advanced Heating & Insulation System

• High-capacity melting kettle combined with a diesel burner
• Double-jacketed thermal oil indirect heating design
  • High heat transfer efficiency
  • No deformation of the tank body
  • Excellent thermal insulation
• Diesel burner with swirl combustion chamber for safe and reliable mobile operation

5. Pumping & Delivery System

• Consists of asphalt pump, electrically heated hose, and crack sealing applicators
• Pump and material are heated synchronously, extending service life and reducing maintenance
• Stable and adjustable material flow for precise crack filling

6. Electrically Heated Hose System

• Fully electric heated hose throughout the entire material delivery process
• Flexible, bend-resistant, corrosion-resistant, and waterproof outer jacket
• Internal pipeline does not require cleaning, saving time and labor
• Multiple sealing shoes and applicators available
• Electrically controlled material discharge for accurate operation

7. Independent Generator System

• Gasoline-powered generator
• Stable 220V / 50Hz output, suitable for continuous on-site operation

Technical Specifications

Why Choose MCDA C-420?

• Designed specifically for preventive pavement maintenance
• Stable heating and precise temperature control
• Efficient hydraulic system with low energy consumption
• Durable construction for demanding job sites
• Easy operation, low maintenance, and long service life