
In modern road maintenance, the timely repair of cracks is a key step to extend pavement service life and ensure driving safety. An efficient asphalt crack sealer machine can significantly improve construction quality and efficiency, becoming an indispensable professional tool for maintenance teams. For users planning to purchase asphalt crack sealing equipment, it is crucial to fully understand the equipment types, performance and scientific application methods.【WhatsApp/WeChat/Phone】+86 13837122632
Types of Asphalt Crack Sealer Machine
According to mobility and construction scale, asphalt crack sealer machine on the market are mainly divided into three categories to meet the needs of different scenarios:
- Walk-behind crack sealing machine: Compact in size and flexible in steering, it is very suitable for sporadic repair of narrow areas such as sidewalks and community roads, but its capacity and efficiency are relatively limited.
- Tow-behind crack sealing machine: Currently the most widely used type, it balances efficiency and mobility. It can be quickly towed to the construction site and perform continuous operations independently, suitable for medium-scale maintenance of county roads, provincial roads and park roads. The best-selling YG-100L and YG-200L models of YG Machinery are excellent representatives of this category. As efficient crack seal machine for sale, they are highly favored for their stable performance.
- Ride-on crack sealing machine: Integrated with a cab, it has a high degree of automation and the fastest construction speed. Designed specifically for large-scale, high-intensity continuous operation scenarios such as highways and airport runways, it is the preferred equipment for top maintenance units.
YG-100L and YG-200L parameters:
| Parameter | YG-100L | YG-200L |
| Model | YG-100L | YG-200L |
| Sealant Capacity | 100L | 200L |
| Heating Time | 30-40min | 30~40min |
| Temp. Control Range | 0~200℃ | 0~200℃ |
| Output Capacity | 8L/min | 8L/min |
| Generator Set | Honda 2KW | Honda 2.8KW |
| Mobility | Hand-push or Towable | Hand-push or Towable |
| Burner | Italian Riello 445T1 Diesel Burner | Riello 445T1 Diesel Burner |
| Thermostat | SLA-5000 Intelligent Digital Temp. Controller | SLA-5000 Intelligent Digital Temp. Controller |
| Electric Heating Hose | 5m Electrically Heated Discharge Hose | 5m Electrically Heated Discharge Hose |
| Melting Kettle Configuration | 100L Kettle with Heat Transfer Oil Jacket, Full Circulation | 200L Kettle, Indirect Heating by Heat Transfer Oil, Vertical Stirring |

What Factors Affect Asphalt Crack Sealer Machine’s Working Efficiency?
The actual working efficiency of an asphalt crack sealing equipment is not a fixed value, but is jointly determined by multiple variables:·
- Crack condition and process: Whether to slot, the slot size (depth and width) and the complexity of the crack directly affect the progress.··
- Materials and environment: The type of sealant used (melting characteristics) and the ambient temperature during construction.··
- Team proficiency: The experience of operators and the degree of coordination.
Under normal conditions, a skilled team of 4-5 people, equipped with a high-quality device such as the YG-200L, can complete about 2,000 to 3,000 meters of crack sealing per day, with a material consumption of about 200-300 kilograms. It should be noted that 1-2 hours should be reserved for preheating materials before construction. The equipment can be towed at low speed for short-distance transfer (20-30 km/h is recommended), and transport vehicles are required for long-distance transfer.·

The Best Construction Time for Road Crack Maintenance
Grasping the correct construction time can greatly improve the durability of the crack sealing effect, mainly following two principles:
- Seasonal optimal window: It is recommended to carry out in late spring or early autumn. At this time, the temperature is moderate (usually higher than 10℃), the air is dry, and the crack width is in a stable state, which is conducive to the sealant to achieve the best bonding and curing effect.
- Early stage of crack development: Adhere to the principle of “prevention first, treating early and small”. Sealing cracks in a timely manner when they first appear and are narrow (generally less than 5 mm) can most effectively prevent rainwater from infiltrating, protect the roadbed, and thus obtain the optimal cost-effectiveness and long-term effect.

Role Positioning of Crack Filling Machine in the Construction Process
When using professional asphalt crack sealer machine for construction, standardized processes must be followed to ensure the final quality:
- Safety enclosure and traffic guidance: Standardly set up the operation area and place warning signs to ensure construction safety.
- Crack slotting treatment: Use a special slotting machine to cut a regular (usually rectangular) groove along the crack to expand the bonding area.
- In-depth crack cleaning: Use tools such as high-pressure air blowers or steel wire brushes to thoroughly remove dust, debris and moisture in the slot and on both sides. This is a core step to ensure the adhesion of the sealant.
- Material heating and pouring: Start the crack sealing machine and heat the sealant to the specified temperature. Through the heat-preservation discharge pipe, pour the sealant into the crack at a uniform speed and fully to ensure dense filling. The entire process usually requires 4-5 personnel to complete collaboratively.

Contact Us for Your Exclusive Maintenance Solution
Choosing a reliable crack filling machine is an important investment that directly affects long-term maintenance costs and road service levels. If you need to select an efficient and durable asphalt crack sealer machine for highways, municipal roads, airports or industrial parks, or hope to learn more about construction optimization and equipment maintenance, our professional team is at your service at any time. Welcome to contact us through website message, phone or email to obtain detailed product catalogs, technical solutions and quotations. Let us work together to improve the quality of road maintenance.【WhatsApp/WeChat/Phone】+86 13837122632



