
Small cracks in asphalt quickly turn into large, expensive problems. Water is the biggest enemy of pavement. It seeps through tiny cracks, weakens the base layer, and eventually forms potholes. Freeze-thaw cycles make this even worse. Water expands when it freezes and widens the cracks. An asphalt crack filling machine stops this damage before it spreads. Regular crack sealing extends pavement life by several years and cuts long-term maintenance costs by up to 50%. It also improves safety. Sealed surfaces reduce tripping risks and prevent vehicle damage. At YG Machinery, we build dependable crack fill equipment that helps you avoid complete resurfacing. Catching cracks early saves you time and money. Many road agencies recommend annual crack sealing to protect your pavement investment. Our machines deliver consistent heat and smooth material flow, so your crew can work fast and seal cracks with confidence.
Asphalt Crack Filling Equipment Parameters
Selecting the correct size and heating type improves job efficiency. The table below lists the specifications of our most popular models. Compare the features carefully before you choose the right asphalt crack filling equipment for your project.
| 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 | 180°C sensor with call alert | 180°C sensor with call alert | Automatic temperature control system |
| Filling Speed | 10m/min | 15m/min | 20m/min |
| Length of Sealing Pipe | — | — | 5m |
| Walking Mode | Push-type with brake | Push-type with brake | Push-type plus 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 |
The YG-50L handles small repair jobs with ease. The YG-80L adds pump feed for better flow control. For high-output work, the YG-100L offers electric stirring, a 5-meter sealing pipe, and automatic temperature management. No matter which model you pick, you get dependable heating and simple operation.


Basic Structure and Working Principle
Main Components
A standard asphalt crack filling machine includes several key parts. The heated hopper holds and melts the sealant. A temperature control system keeps the material at the right heat. The discharge system moves liquid sealant into the crack. Wheels and a push handle allow easy movement on the job site. Some models add a generator, a trailer hitch, or a hand-held filling wand. These extra features speed up work on larger projects.
How It Works
First, the operator loads solid sealant blocks into the hopper. Next, the heating system warms the material evenly. Direct fire, heat transfer oil, or a diesel burner does this job. Once the sealant reaches the ideal pouring temperature, the machine directs it out. You guide the flow straight into the cleaned crack. The sealant bonds to the asphalt edges and forms a waterproof barrier. Because the heat stays stable, the material flows smoothly and fills even narrow cracks completely. After cooling, the sealed crack resists water and traffic stress for many seasons.
Step-by-Step Workflow of Crack Filling
Follow these steps to get the best results with your crack fill machine for sale. Proper preparation and steady application make a big difference in repair quality.
- Clean the crack. Remove dirt, debris, and vegetation. Use compressed air or a wire brush. A clean, dry surface helps the sealant stick well.
- Heat the sealant. Load the material and set the thermostat. Wait until the sealant becomes liquid and pourable. Do not rush this stage. Proper heating prevents weak bonds.
- Position the machine. Move the heated asphalt crack repair machine to the starting point. Make sure the discharge outlet aligns with the crack.
- Fill the crack. Open the discharge valve or squeeze the wand trigger. Walk slowly and let the sealant slightly overfill the crack. A small crown above the surface allows for settling.
- Let it cure. Allow the material to cool and harden. Traffic can return in about 20 to 30 minutes, depending on weather. Cooler temperatures speed up curing time.
Follow these simple steps, and you will get a durable seal every time. Training your crew on this routine improves productivity and reduces wasted material.
Application Scenarios
You can use a YG asphalt crack filling machine in many places. Each setting benefits from fast, durable crack sealing.
- Highways and urban roads with fatigue cracks
- Airport runways and taxiways
- Parking lots and commercial driveways
- Residential streets and HOA communities
- Factory floors and logistics center yards
The YG-100L works especially well on long highway stretches. Its large hopper and trailer option reduce refill stops. The compact YG-50L fits narrow paths and small repair jobs. It maneuvers easily around parked cars and landscape islands. From small parking lots to busy highways, the right crack sealing equipment makes a visible difference. Property managers notice fewer complaints, and road crews finish work on schedule.


Why Choose YG Asphalt Crack Repair Machines?
We focus on practical field performance. Every asphalt crack repair machine we build reflects real job site feedback. Beyond the hardware, we deliver support you can count on.
- Multiple heating options. We offer liquefied gas, heat transfer oil, and diesel burner heating. Pick the method that matches your local fuel availability. This flexibility saves you money on fuel costs.
- Safe temperature control. The YG-100L uses an automatic system, while smaller models have accurate 180°C sensors. No guesswork means no burned sealant. You avoid material waste and cleanup delays.
- Easy to move. Push-type models come with a brake device. The largest model includes a trailer for road towing. One person can reposition the machine quickly.
- Independent power. Solar panels plus batteries keep the controls running without a grid connection. This setup works great in remote areas. You never have to search for a power outlet.
- Fast filling speed. Speeds go up to 20 meters per minute. You finish more work in less time. Higher daily output helps you take on more contracts.
- Simple maintenance. All components are easy to reach. You spend less time on upkeep and more time earning revenue. Basic daily cleaning keeps the machine in top shape.
Plus, our team answers your questions before and after the sale. We explain how to select the right asphalt crack filling equipment, how to maintain it, and how to train your crew. With YG, you get a partner who understands road maintenance.

FAQs About Asphalt Crack Filling Machines
It is equipment that heats and applies liquid sealant into pavement cracks. This process stops water intrusion and slows pavement deterioration. Operators appreciate the controlled flow and consistent heat.
Check the hopper volume first. A 50L model works for small repairs. Choose 100L for large, continuous jobs. Also consider heating type, walking mode, and power source. Our team can help you compare specifications and match a machine to your typical project size.
It uses either a direct liquefied gas flame, a heat transfer oil jacket, or a diesel burner with oil circulation. All YG models include temperature control. The system prevents overheating and keeps the sealant ready without scorching. Consistent heat means fewer clogs and smoother flow.
Clean the hopper and discharge port after each use. Check hoses and fittings weekly. Inspect the heating system and temperature sensor regularly. Following a simple maintenance log keeps your machine working for years. Seasonal checks before winter storage also help.
Yes, you can use it with most hot-applied crack sealants. Always confirm the sealant’s recommended heating range matches your machine’s settings. This step ensures a strong bond and smooth flow. Using the correct temperature prevents material breakdown.
When applied correctly, a crack fill can last three to five years. The lifespan depends on traffic load, weather conditions, and sealant quality. Regular inspection helps you decide when to reapply.


YG Crack Fill Machines For Sale & More Road Equipment
Beyond crack filling, we help you build a full road maintenance fleet. Your crack fill machine for sale is ready to ship. In addition to these models, YG Machinery supplies a complete line of road construction equipment. We offer laser screeds for precise concrete leveling, road marking machines for clear line striping, and compact rollers for reliable compaction. We keep common wear parts in stock for fast delivery. When you need a single machine or a full fleet, you can rely on us as a trusted partner. Contact us today to get a personalized quotation and expert advice. Let’s talk about your next project.






