What Is a Walk-Behind Crack Sealing Machine?
A walk-behind crack sealing machine is a compact and mobile device designed for sealing cracks in asphalt roads. It is pushed by hand, just like a small cart. This machine is best for small road jobs, such as repairing sidewalks, driveways, and parking lots.
Unlike larger machines, this type is very easy to move. One worker can use it. It heats and fills the crack with sealant. It helps prevent water and dirt from entering the crack. This makes the road last longer and looks better.
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Walk-Behind Crack Sealing Machine Technical Specifications
| Model | YG-50L | YG-60L | YG-80L |
| Hopper Capacity | 50L | 60L | 80L |
| Discharge Method | Gravity Flow | Asphalt Pump Feeding | Asphalt Pump Feeding |
| Heating Method | LPG (Liquefied Petroleum Gas) | LPG + Thermal Oil Heating | LPG + Thermal Oil Heating |
| Temperature Control | 180°C Sensor (Audible Alarm) | 180°C Sensor (Audible Alarm) | 180°C Sensor (Audible Alarm) |
| Sealing Speed | 10m/min | 15m/min | 15m/min |
| Mobility | Hand-Push + Brake System | Hand-Push + Brake System | Hand-Push + Brake System |
| Mixing Method | Manual Stirring | Manual Stirring | Manual Stirring |
| Power Supply | Solar Panel + Battery | Yamaha Gasoline Generator + Battery | Solar Panel + Battery |
| Dimensions (L×W×H) | 1200×700×1200mm | 1200×700×1200mm | 1200×700×1200mm |
| Weight | 120kg | 120kg | 150kg |
Main Features Of Walk-Behind Crack Sealing Machine
This type of asphalt crack sealing equipment has many useful features:
- Manual Operation: One person walks behind and pushes the machine.
- Compact Size: Easy to store and transport.
- Fast Heating System: Heats sealant quickly.
- Simple Controls: Easy to start, stop, and adjust.
- Steel Frame: Strong and durable body.
It is great for crews that need to do fast repairs in small spaces.
Suitable Applications
This machine is best used in areas like:
- Small road patches
- Pavements and sidewalks
- Bike lanes
- Private driveways
- Parking lot cracks
It is not for highways or very long cracks. For those jobs, bigger machines are better.
How It Works
The crack sealing machine has a tank to hold the sealant. A burner under the tank melts the sealant. A hose or wand is used to fill the crack.
Steps to use the machine:
- Clean the crack with a blower or broom.
- Heat the sealant in the tank.
- Push the machine along the crack.
- Use the wand to pour sealant inside.
- Let it cool for 10–20 minutes.
Everything is done by walking behind the machine.
Benefits of Walk-Behind Asphalt Crack Sealing Machine
Using a walk-behind asphalt crack-filling machine offers many advantages:
- Low Cost: Cheaper than large machines.
- Easy to Learn: New workers can use it quickly.
- Good for Tight Spaces: Great for narrow streets or corner areas.
- Low Fuel Use: Uses less propane or diesel.
- Less Maintenance: Simple parts are easy to fix.
For towns and small repair jobs, it is the best choice.
Safety and Daily Use Tips
To use the machine safely and keep it running well:
- Always check the fuel and heating system before starting.
- Clean the hose after every use.
- Do not overfill the tank with sealant.
- Store in a cool, dry place after use.
- Wear gloves and heat protection.
This keeps the machine safe and your workers protected.
Comparison With Other Crack Filling Machines
Compared to other asphalt crack-filling equipment, the walk-behind model has:
| Type | Size | Operation | Best For |
|---|---|---|---|
| Walk-Behind | Small | Manual Push | Small areas, easy jobs |
| Ride-On Crack Filling Machine | Medium | Seated Driver | City roads, longer jobs |
| Towed Asphalt Filling Equipment | Large | Towed by Vehicle | Large streets, long cracks |
| Truck-Mounted Crack Filler Machine | Extra Large | On-board Truck | Highways, long-term repair |
Each has its own job. Walk-behind machines are the most flexible for small work.
FAQ – Walk-Behind Crack Sealing Machine
- Q1: Is this machine good for wide cracks?
No, it is better for narrow and medium cracks. - Q2: Can one person use it alone?
Yes. One trained person can do the job. - Q3: How long does it take to heat the sealant?
About 20–30 minutes, depending on the type of burner. - Q4: What type of fuel does it use?
Most models use propane or diesel. - Q5: Where can I buy crack-filling equipment for sale?
There are many suppliers offering crack fill machines for sale, including walk-behind models.
WhatsApp/WeChat/Phone: 86 138 3715 9132
