Built exclusively for preventive road upkeep, the asphalt crack fill machine acts as vital construction equipment. They are used to seal and fill longitudinal, transverse, and network cracks in asphalt and cement concrete pavements, as well as bridge expansion joints and factory floor cracks. Based on operating methods, they can be divided into three types: push-type, ride-on type, and towed type. Push-type machines are lightweight and suitable for small-scale repairs such as sidewalks and parking lots; ride-on type machines are equipped with large-capacity hot-melt kettles, suitable for large-area continuous operations on highways and national/provincial trunk roads; towed type machines combine mobility and efficiency, suitable for complex terrain and long-distance crack repair. If you are interested in asphalt crack fill machines, contact us immediately!
YG Asphalt Crack Fill Machine Models and Specifications
| Model | YG-50L | YG-80L | YG-100L |
| Hopper volume | 50L | 80L | 100L |
| Discharge method | Self flow | Asphalt pump feed | Asphalt pump feed + hand-held tube |
| Heating method | Liquefied gas | Liquefied gas + heat transfer oil | Italian diesel burner, heat transfer oil cycle heating |
| Temperature control | Temperature sensor 180 ° (temperature control call) | Temperature sensor 180 ° (temperature control call) | Automatic temperature control system |
| Filling speed | 10m/min | 15m/min | 20m/min |
| Length of sealing pipe | —— | —— | 5m |
| Walking mode | Push-type + brake device | Push-type + brake device | Push-type + trailer |
| Mixing method | Manual mixing | Manual mixing | Electric stirring |
| Power Configuration | Solar panels + batteries | Solar panels + batteries | Import 2KW generator |
| Dimensions | 1200*700*1200mm | 1200*700*1200mm | 1750*786*1200mm |
| Weight | 120kg | 150kg | 220kg |
Asphalt Crack Fill Machine Working Principle
1. Heating and Melting Sealing Material
The core components are the hot-melt kettle and heating system, using indirect heating with heat transfer oil or gas heating. An internal paddle-type agitator ensures uniform heating of the sealant and prevents aging. The intelligent temperature control system can stably control the temperature between 160℃ and 200℃, suitable for various materials such as SBS modified asphalt, avoiding carbonization due to excessively high temperatures and insufficient fluidity due to excessively low temperatures.
2. Crack Pretreatment
Before grouting, a blower is used to remove gravel, dust, and loose particles from the crack. Then, a hot spray gun is used to preheat the crack walls to 120℃-150℃ to remove moisture and soften aged asphalt, providing a clean and dry base for sealant adhesion and preventing later detachment.
3. Pressure Grouting
The asphalt pump is started, and the hot sealant is delivered to the spray gun through an electrically heated outlet pipe. It is injected into the bottom of the crack at a constant pressure, achieving a full filling from bottom to top. The dual-pipe circulation design prevents material condensation and blockage; excess material that does not enter the crack flows back to the hot melt kettle, reducing waste.
4. Surface Leveling and Shaping Protection
The slipper iron at the bottom of the spray gun scrapes away excess material, making the sealant slightly higher than the original road surface by 0.5-2mm, forming a waterproof protective layer. This also ensures road surface smoothness, accommodating compression and rebound after vehicle traffic, and preventing vehicle bouncing.
The simplified small model features a streamlined hydraulic pump structure, relying on air pressure to push the grout, suitable for small-area, sporadic repairs. The high-end vehicle-mounted model integrates a hot air crack-clearing, grooving, and grouting module, completing the entire process with a single unit.
YG Asphalt Crack Fill Machine Hot-Selling Models
Model 1: Asphalt Crack Fill Machine YG-100
- Performance Parameters: Crack filling material capacity: 100L, heating time: 30-40min, temperature control range: 0~200℃, discharge capacity: 8L/min, generator set: Honda 2 KW.
- Dimensions: 210010001300mm, weight: 400kg.
- Mobility: Hand-push or towed
- Burner: Imported Italian Riello 445T1 diesel burner, high combustion efficiency, safe, and environmentally friendly.
- Temperature Control: SLA-5000 intelligent digital temperature controller, automatic temperature control.
- Electric Heating Element: 5-meter electric heating discharge hose
- Hot Melting Kettle: 100-liter hot melting kettle with safety device and heat-conducting oil jacket, equipped with a safety valve for full circulation, ensuring faster and more even heating.
Model 2: Asphalt Crack Fill Machine YG-200L
- Performance Parameters: Crack filling material capacity: 200L, heating time: 30-40min, temperature control range: 0~200℃, discharge capacity: 8L/min, generator set: Honda 2.8 KW.
- Dimensions: 210010001300mm, weight: 400kg.
- Movement Method: Hand-push or towed.
- Burner: Power 28-60KW. Imported Italian Riello 445T1 diesel burner, fuel consumption 6.6-15L/h, fuel tank 21L.
- Temperature Control: SLA-5000 intelligent digital temperature controller, automatic temperature control.
- Electric Heating Element: 5-meter electric heating discharge hose, 19mm diameter.
- Melting Pot: 100L melting pot equipped with a safety device and a thermal oil jacket, featuring a safety valve, full-circulation thermal oil indirect heating, and vertical stirring.
Features of Hot-Selling Models:
- Independently developed integrated electric-gasoline hybrid powertrain, electric drive technology, low emissions, low energy consumption, energy saving, and environmental protection.
- Advanced intelligent ignition and temperature control technology.
- Unique oil-jacketed melting pot design.
- Unique thermal circulation heating system design.
- High-efficiency discharge system design.
- Safe, low center of gravity design.
- Electric stirring.
- Melting pot anti-clogging design.
Benefits of Asphalt Crack Fill Machine
Compared to traditional manual crack sealing, asphalt crack fill machines offer significant advantages in efficiency, quality, and cost due to their mechanized and standardized operation, making them the preferred equipment for road maintenance projects.
- Doubled Efficiency: Manual crack sealing can only treat 100-200 meters of cracks per day, while asphalt crack fill machines can achieve a material flow rate of 8-33L/min, with a maximum daily work capacity of 2000 meters, increasing efficiency by more than 5 times. The entire process can be completed by 2-3 people, eliminating the need for a large number of skilled workers, making it especially suitable for urgent maintenance projects.
- Stable and Reliable Quality: Equipped with an intelligent digital temperature controller, the temperature control accuracy reaches ±5℃, ensuring constant temperature heating throughout the process and preventing the sealant from clumping or flowing due to temperature fluctuations. High-pressure injection allows the material to deeply penetrate the cracks, resulting in strong adhesion, effectively preventing hollow areas and detachment, achieving a sealing and waterproofing rate of 95%, and extending the road surface service life by more than 8 years.
- Material-saving and environmentally friendly: The electric heating pipeline, combined with an optimized discharge structure, ensures uniform and controllable sealant flow, saving 15%-20% on consumables compared to ordinary equipment. It uses a low-emission burner, producing no black smoke or odor during heating, meeting environmental protection construction requirements; materials are recyclable, reducing waste pollution.
- High adaptability: Multiple models are available, including hand-push, towed, and vehicle-mounted types. The compact structure and easy mobility allow it to adapt to complex terrains such as narrow roads, steep slopes, and curves. It supports various sealing materials such as cement mortar, SBS modified asphalt, and polyurethane, adapting to different climates and road types.
- Simple operation and maintenance: One-button start design eliminates the need for complex preheating processes; even beginners can operate it after simple training. Core components are wear-resistant and durable, and the double-layer insulated tank reduces heat loss and lowers the failure rate; daily cleaning only requires cleaning the material cylinder, pipelines, and spray gun, resulting in low maintenance costs.
Choose YG
YG asphalt crack fill machines, with their precise temperature control, high energy efficiency, durability, and easy maintenance, have become the preferred choice for engineering users. From highways to rural roads, from minor cracks to large-area damage, YG asphalt crack fill machines are adaptable to all scenarios, contributing to the mechanization and standardization of road maintenance. In addition, YG also provides other road machinery such as crack cleaning machines, grooving machines, and road rollers. Contact us now to receive customized solutions and accurate quotes, discuss equipment selection one-on-one, and view more equipment photos, construction videos, and customer case studies!
