

In road construction and municipal engineering, the paving of curbs is a key process. It not only beautifies the environment but also helps guide water flow and ensure safety. The curb extruder, with its stable performance and excellent forming effect, has gradually become the preferred choice of contractors and construction teams. The YG kerb machine for sale can significantly improve construction efficiency while maintaining a high level of quality in different environments. In addition, YG also offers rollers, sweepers, line marking machines, and other construction equipment. Feel free to contact us anytime for a customized quotation!【WhatsApp/WeChat/Phone】+86 138 3712 2632
Hot-Selling Curb Extruder Model Parameters
| Parameter | YG20 (Wheel Type) | YG30 (Crawler Type) |
| Overall dimensions (excluding mold) | L×W×H: 5.2m × 2.4m × 2.75m | L×W×H: 5.2m × 2.4m × 2.9m |
| Weight | 4.5T (excl. oil, water, concrete, molds, etc.) | 5.5T (excl. oil, water, concrete, molds, etc.) |
| Power system | R4105 four-cylinder turbocharged diesel engineRated power:62 kW, Rated speed:1500 RPM | R4105 four-cylinder turbocharged diesel engineRated power:62 kW, Rated speed:1500 RPM |
| Walking power system | 1 × 7.5KW variable frequency motor | 1 × 11KW variable frequency motor |
| Walking / Paving speed | 0.75 – 7.5 m/min, adjustable according to concrete structure | 0.75 – 7.5 m/min, adjustable according to concrete structure |
| Forming process | Vibrating rod | Vibrating rod |
| Direction control | Sensor automatic | Sensor automatic |
| Leveling control | Sensor automatic | Sensor automatic |
| Lateral travel of the mold | 600mm | 1200mm |
| Mold lifting stroke | 800mm | 1000mm |
| Max dimensions of construction structure | Width ≤2000mm, Height ≤850mm | Width ≤2000mm, Height ≤1000mm |
| Travel system specs | 8 tyres; tyre width 150mm, diameter 800mm | 4 engineering rubber tracks, track width 400mm |
| Feeding method | Hydraulic motor-driven helical blade | Hydraulic motor-driven helical blade |
| Hopper volume | 0.5 m³ | 0.5 m³ |
| Minimum turning radius | 6.25 m | 6.25 m |
How Does a Concrete Curb Extruder Work?
A concrete curb extruder follows a continuous forming process:
- Fresh concrete is loaded into the hopper.
- A high-torque hydraulic motor drives the screw feeder, pushing concrete toward the mold.
- The screw conveyor mixes and transports the material while reducing the risk of blockage from larger aggregate.
- High-frequency vibration or an attached vibration motor compacts the concrete inside the mold.
- The machine travels forward at a controlled speed, leaving a continuous, shaped curb behind.
Our curb extruder supports two molding methods: a high-frequency vibrator for plastic concrete and an attached vibration motor for dry, hard concrete. This flexibility allows contractors to match the machine to the concrete mix and project specification.
The screw feeder also performs a secondary mixing action, improving concrete workability and supporting stable, continuous feeding during curb paving.

Advantages of Wheel Type Curb Extruder
- Dual automatic steering system: Greatly reduces construction errors on curves, ensuring stable curb width and precise alignment.
- Anti-slip self-locking function: No extra operation needed uphill or downhill; the machine maintains speed automatically, improving safety and efficiency.
- Powerful engine system: Equipped with a four-cylinder turbocharged diesel engine, it operates reliably in steep and high-altitude environments.
- Efficient feeding design: The spiral feeder with imported wear-resistant coating extends service life and reduces downtime costs.
- Full-time four-wheel drive: Can push an 18m³ mixer truck on slopes less than 5%, handling complex conditions with ease.
Advantages of Crawler Type Curb Extruder
- Four-track chassis design: Provides stronger traction and ensures smoother curb forming even on soft ground.
- Patented steering and locking system: Guarantees high precision on curves and stability on slopes.
- Wider forming range: The transverse mold bracket travels up to 1200mm, meeting diverse curb size requirements.
- Efficient feeding and engine system: Durable spiral feeder combined with turbocharged diesel power ensures faster and smoother work.
- Adaptability to complex terrain: Performs steadily even in mountainous regions or under harsh weather conditions.
Application Value of Kerb Machine for Sale
- Municipal road construction: Ensures curbs are uniform and aesthetically pleasing, reduces labor errors, and significantly shortens overall project timelines.
- Highway projects: Provides outstanding stability and efficiency for long-distance paving, which greatly accelerates project completion speed and quality.
- Residential areas and landscape roads: Meets customized curb size demands while delivering more precise results and enhancing the visual appeal of streets.
- Mountainous and complex terrain: The crawler model is especially suitable for slopes and irregular surfaces, ensuring maximum safety and continuous efficiency.

How to Choose the Right Curb Paving Machine
- Based on site conditions: Wheel type models are best for flat, open roads, while crawler type works better on complex terrains for stable operation.
- According to project needs: For wider or unusual curb sizes, the crawler model offers stronger adaptability and ensures consistent forming results.
- After-sales and spare parts: Choose a brand with reliable service support and easy access to components, lowering long-term maintenance expenses.
- Cost-effectiveness evaluation: In addition to equipment performance, carefully compare curb paving machine prices to ensure the best overall investment value.
FAQs about Curb Extruder
Q: Do you offer a kerb machine for sale with customized molds?
Yes. We can supply customized molds according to the customer’s curb profile, width, height, drainage requirements, and project drawings. This allows one machine to serve multiple municipal and road construction applications.
Q: What profile heights can the machines produce?
The YG20 (wheel type) covers heights up to 600 mm for kerbstone and curbstone, with widths up to 2000 mm for road shoulder and ditch. The YG30 (crawler type) extends the height range to 1100 mm, making it suitable for higher kerbstone profiles.
Q: Can the machine work at high altitude?
Yes. The four-cylinder turbocharged diesel engine is rated at 65 kW, and its power output is increased for high-altitude areas. Turbocharging compensates for reduced air density better than naturally aspirated engines, so power loss at elevation is smaller.
Q: How do I get a quote for a concrete curb extruder?
Send us your curb cross-section drawing, required curb height and width, concrete mix type, site conditions, and destination port. Our team will recommend the most suitable model, mold configuration, and shipping solution.















