A concrete curb machine is a slipform paving machine that shapes fresh concrete into curbs, gutters, and road shoulders in one continuous process. This curb and gutter machine eliminates the need for traditional formwork.
Manual curb forming produces less than 1 meter per hour. A concrete curb machine can pave up to 3 meters per minute, or 180 meters per hour. That is 180 times faster than manual labor. This kerb laying machine is ideal for highway shoulders and urban medians. For highway construction, municipal roads, and drainage projects, this slipform curb machine cuts project time by 70% and labor costs by over 80%.
YG Machinery offers the YG-20 concrete curb machine, a compact portable wheel-type model for urban and municipal projects. It handles curb heights up to 600mm and widths up to 2000mm.


Technical Parameters of YG-20 Concrete Curb Machine
| Specification | YG-20 |
| Type | Portable wheel type |
| Steering system | Automatic steering system |
| Engine | 65kW, AC380V four-cylinder turbo diesel engine |
| Rated speed | 1500 rpm |
| Curb height (max) | 600mm |
| Curb width (max) | 2000mm |
| Forming method | High-frequency vibrator + attached vibration motor |
| Minimum turning radius | 6800mm |
| Paving speed | 1-7 m/min (adjustable) |
| Hopper volume | 1 m³ |
| Machine size (LxWxH) | 5000 x 2400 x 2800mm |
| Weight | 6000 kg |
The YG-20 runs on diesel power with an electric start system. The automatic steering system ensures straight and accurate paving even on curves.
Manual Labor vs Concrete Curb Machine
The difference between manual curb forming and machine paving is dramatic.
| Comparison | Manual Forming | YG-20 Concrete Curb Machine |
| Production speed | Less than 1 m/h | Up to 180 m/h |
| Labor required | 5-8 workers | 2-3 operators |
| Formwork needed | Yes, time-consuming | No formwork required |
| Consistency | Varies by worker | Uniform, ±5mm precision |
| Material waste | Higher (15-20%) | Lower (5-8%) |
| Project timeline | Baseline | 70% faster |
What this means for your business:
A 10-kilometer curb project that takes 60 days with manual labor can be completed in 18 days with the YG-20. You save 42 days of labor, fuel, and equipment rental costs. The machine pays for itself within the first few projects.

Working Principle of Slipform Curb Machine
The YG-20 slipform curb machine follows a continuous paving process:
Step 1: Material feeding – Concrete is loaded into the 1 m³ hopper. A screw conveyor moves the concrete forward.
Step 2: Spiral mixing – The high-torque hydraulic motor drives the screw. It provides secondary mixing to ensure uniform concrete consistency.
Step 3: High-frequency vibration – The vibrator consolidates the concrete inside the mold. This removes air bubbles and ensures dense, strong curbs.
Step 4: Mold shaping – The concrete passes through the mold. The mold shape determines the final curb profile. Interchangeable molds are available for different curb designs.
Step 5: Continuous paving – The machine moves forward at 1-7 m/min. The concrete extrudes from the mold in a continuous, uniform shape.
Step 6: Immediate setting – The high-frequency vibration allows the curb to hold its shape immediately. No formwork removal needed.
The entire process is one-pass. The machine paves as it moves. No waiting for concrete to dry. No formwork to set up and remove.
Applications of Concrete Curb Machine
The YG-20 concrete curb machine serves many project types:
Municipal road construction – Pave curbs on urban streets, secondary roads, and bicycle lanes. Enhance road functionality and appearance.
Highway shoulders – Install highway shoulder curbing for safety and drainage. Continuous paving ensures consistent quality over long distances.
Urban road medians – Form concrete medians on divided roadways. Guide traffic flow and improve safety.
Parking lots – Create parking lot perimeter curbs. Define parking spaces and control vehicle movement.
Stormwater drainage – Form drainage channel edging and stormwater gutters. Direct water flow away from pavement.
Residential streets – Pave curbs in new housing developments. Provide clean, finished edges for roads.
Industrial parks – Install curbs in factory areas, logistics centers, and storage yards.
Park and landscape projects – Create landscape borders and decorative curbing. Enhance the aesthetic of public spaces.
As a concrete edging machine, it creates clean boundaries for parking lots and walkways.


How to Choose the Right Concrete Curb Machine?
The YG-20 is designed for specific project types. Consider the following when selecting a machine:
| Project requirement | Does YG-20 fit? | Notes |
| Curb height up to 600mm | Yes | Standard range for most municipal roads |
| Curb width up to 2000mm | Yes | Wide enough for shoulders and medians |
| Urban streets with tight spaces | Yes | Compact wheel type, easy to maneuver |
| Highway projects with long distances | Yes | 1-7 m/min speed, continuous operation |
| Airport runway edges | No | Requires larger model (YG-30) |
| Curbs taller than 600mm | No | Requires larger model |
| Projects with frequent curves | Yes | 6800mm minimum turning radius, automatic steering |
The YG-20 is the right choice for most municipal and urban road projects. For larger highway or airport applications, consider the YG-30 crawler model. This concrete border machine produces uniform edges for residential streets and landscape projects.
Customer Case – Saudi Arabia: Highway Project in Riyadh
A road construction company in Riyadh, Saudi Arabia, was contracted to build 25 kilometers of highway with concrete shoulders and drainage channels. The project faced extreme heat. Daytime temperatures exceeded 45°C. Manual formwork methods were too slow. Concrete set too quickly.
The contractor purchased a YG-20 concrete curb machine. The machine paved continuously through the heat. The hydraulic system maintained steady control. The high-frequency vibration ensured proper compaction despite the fast setting concrete.
Results:
- Paving speed: 1.5 km per day on average
- Project completed 30 days ahead of schedule
- Labor reduced from 12 workers to 3 operators
- Curb quality passed all inspections
The project manager said: “The YG-20 worked perfectly in our extreme heat. We finished early and under budget. We are using the same machine on our next highway project.”

FAQ
Q: What is the maximum paving speed of the YG-20?
A: The YG-20 paves at 1-7 meters per minute, adjustable to match concrete mix and project requirements.
Q: What curb sizes can this concrete curb machine produce?
A: The YG-20 handles curb heights up to 600mm and widths up to 2000mm. Different molds are available for different profiles.
Q: Does it work on slopes?
A: Yes. The automatic leveling system adjusts to slope changes. The machine handles slopes up to 5% grade.
Q: What concrete mix does the slipform curb machine require?
A: The machine works best with zero-slump or low-slump dry mix concrete. This ensures the curb holds its shape immediately after paving.
Q: How tight of a curve can the YG-20 handle?
A: The minimum turning radius is 6800mm. For tighter curves, slow the paving speed and let the automatic steering system guide the machine.
Q: How many workers are needed to operate this curb and gutter machine?
A: Two to three workers: one operator on the machine, one or two feeding concrete into the hopper.
Q: What is the warranty?
A: The main frame has a 24-month warranty. Hydraulic and electrical components have a 12-month warranty. Wear parts like molds and vibrator tips are not covered.





