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MCDA C-350 Crack Sealing Machine
Professional Pavement Crack Sealing Solution for Preventive Road Maintenance
The MCDA C-350 Crack Sealing Machine is designed for preventive maintenance of asphalt and concrete pavement cracks, helping extend pavement life, reduce water intrusion, and lower long-term repair costs.
It is widely used on municipal roads, highways, industrial areas, parking lots, and airport pavements.
Image shown may represent an earlier model. Due to continuous technical upgrades, the appearance of the supplied machine may vary slightly. Specifications and performance remain consistent or improved.
Key Performance Overview
1. Power System
• Gasoline-powered engine for easy starting and reliable operation
• Enlarged fuel tank design for extended continuous working time
• Optimized combustion chamber and airflow design for higher fuel efficiency, lower fuel consumption, and improved emissions performance
2. Chassis Assembly• Heavy-duty trailer axle with 2–3 ton load capacity
• Frame-welded steel chassis structure for strength, safety, and durability
• Front support wheel for easy short-distance maneuvering on job sites
3. Control System
• Integrated electrical control layout for simple operation and easy maintenance
• System includes:
• Power supply module
• Main control system
• Digital temperature controller
• Material pump control switch
4. Hydraulic System
• Powered by the engine and composed of hydraulic pump, valve group, and hydraulic motor
• Modular system design allows flexible configuration and stable operation
• Advanced electronic proportional control technology improves efficiency and reduces energy consumption
• Hydraulic flow remains stable and unaffected by load variations
5. Heating & Thermal Insulation System
• Main components: melter kettle and diesel burner
• Melter kettle uses a double-layer jacketed thermal oil indirect heating design
• High heat transfer efficiency
• No deformation under high temperature
• Excellent thermal insulation performance
• Diesel burner combined with a swirl combustion chamber ensures safe, efficient, and reliable mobile operation
6. Pumping System
• Includes material pump, rotary mechanism, electrically heated hose, electric control motor, and road brush
• Material pump features synchronous heating, ensuring:
• Smooth material flow
• Easy maintenance
• Long service life
7. Heated Hose & Application System
• Full-length electrically heated hose
• Flexible and bend-resistant
• Corrosion-resistant
• Waterproof outer jacket
• No internal cleaning required
• Multiple crack sealing shoe options available for different crack widths
• Electrically controlled material discharge for precise application
8. Electrical Power Source
• Gasoline-powered generator with stable power output
• Provides reliable electricity for:
• Heating system
• Control system
• Heated hose
| Item | Specification |
|---|---|
| Product Name | Crack Sealing Machine |
| Model | MCDA C-350 |
| Melting Capacity | 280 L/h |
| Total Weight | 1500 kg |
| Overall Dimensions (L×W×H) | 2700 × 1300 × 1600 mm |
| Engine Brand | Loncin |
| Engine Power | 9 kW |
| Starting Method | Recoil / Electric Start |
| Burner Type | Diesel Burner |
| Burner Heating Power | 103 kW/h |
| Fuel Tank Capacity | 30 L |
| Melter Heating Method | Diesel Heating |
| Melter Structure | Jacketed Thermal Oil Kettle |
| Heat Transfer Method | Indirect Thermal Oil Heating |
| Agitation Type | Vertical & Horizontal Mixing |
| Sealant Heating Temperature | 80–220 °C (Adjustable) |
| Hydraulic Control | Proportional Control Valve |
| Hydraulic Oil Tank Capacity | 30 L |
| Generator Power | 2 kW (Gasoline) |
| Heated Hose Length | 6 m |
| Heated Hose Temperature | 80–220 °C (Adjustable) |
| Voltage | 220 V |
| Control System | Dual-Channel Integrated System |
| Display Type | Digital Display |
| Thermal Oil Model | 320# |
| Thermal Oil Temperature Range | 50–500 °C (Adjustable) |
| Asphalt Pump Flow Rate | 0–70 L/min (Adjustable) |
| Pump Heating | Synchronous Heating |
