Revolutionize Surface Preparation with the HTG 800-4E Concrete Grinder (Made in China)
The HTG 800-4E 800mm Concrete Grinder with remote control is a high-performance, heavy-duty surface preparation machine designed for large-scale commercial and industrial flooring projects. Manufactured in China by High Tech Grinding (HTG), this grinder combines precision grinding, remote operation, and wide-area coverage to deliver a reliable, efficient solution for concrete polishing and floor preparation professionals.
Ideal for use in warehouses, airports, shopping malls, logistics hubs, factories, and large construction sites, the HTG 800-4E maximizes productivity while minimizing operator fatigue. Whether you're grinding concrete, removing coatings, or polishing to a high-gloss finish, this powerhouse delivers consistent, professional-grade results.
🔧 Key Features of the HTG 800-4E Concrete Grinder
✅ Remote-Controlled OperationOperate the machine effortlessly using its intelligent remote control system, allowing you to adjust speed, direction, and functions from a safe distance. This reduces physical strain and increases productivity, especially on expansive job sites.
✅ 800mm Wide Grinding PathWith an expansive 800mm grinding width, the HTG 800-4E covers more ground in less time. It’s designed for high-efficiency grinding on large surfaces, making it a cost-effective solution for time-sensitive projects.
✅ 4-Head Planetary Drive SystemThe machine features a four-head planetary system that ensures even pressure distribution and balanced grinding. This setup delivers smoother finishes and superior surface flatness, ideal for high-spec flooring requirements.
✅ Adjustable Speed & High TorqueEquipped with a powerful 15kW motor and adjustable rotation speeds (up to 1680 rpm), the HTG 800-4E can be fine-tuned for different materials, coatings, and levels of surface hardness.
✅ Dust-Free CompatibilityDesigned to work with industrial dust extractors, the HTG 800-4E supports dustless operation, ensuring compliance with OSHA and job site cleanliness standards.
✅ Wet & Dry GrindingWith its integrated 23L water tank, the machine can be used for both wet and dry grinding, extending its application versatility and tool life.
📐 Technical Specifications
| Specification | HTG 800-4E Concrete Grinder |
|---|---|
| Model | HTG 800-4E |
| Grinding Width | 800 mm |
| Grinding Heads | 4 heads / 12 grinding discs |
| Motor Power | 15 kW (20 HP) |
| Inverter Power | 18.5 kW |
| Voltage | 415V / 3-phase |
| Rotation Speed | 350–1950 rpm |
| Weight | 530 kg (approx.) |
| Water Tank Capacity | 23 L |
| Remote Control | Wireless joystick system |
| Applications | Concrete, terrazzo, epoxy, coatings |
| Origin | Made in China |
📌 Specs may vary slightly by model year or configuration.
🏗️ Applications of the HTG 800-4E
Concrete floor grinding and polishing
Epoxy and glue removal
Surface leveling and smoothing
Terrazzo and marble polishing
Warehouse, factory, and commercial space resurfacing
Old concrete restoration and surface prep
🌍 Why Choose the HTG 800-4E?
🛠️ Productivity Meets Precision
The HTG 800-4E is engineered to complete large flooring projects faster, thanks to its wide grinding path and intelligent control. The remote-control function allows the operator to manage machine functions while inspecting the floor surface.
🧤 Operator-Friendly Design
Its ergonomic features, like intuitive controls and remote functionality, significantly reduce physical fatigue and improve the working experience.
🌪️ Dust-Free, Clean Job Sites
Designed to pair with powerful vacuums, the HTG 800-4E supports a dust-free work environment, essential for health, safety, and surface quality.
🔁 Multi-Function Versatility
From rough grinding and coating removal to fine polishing, this machine is compatible with a range of diamond tools for various tasks and materials.
🚀 Conclusion: Advanced Grinding with the HTG 800-4E
The HTG 800-4E Remote-Controlled Concrete Grinder is your all-in-one solution for professional-grade grinding, polishing, and coating removal. Its powerful motor, wide grinding width, and smart remote control operation offer unmatched efficiency and accuracy, making it the go-to machine for large-scale flooring projects.
Whether you're a flooring contractor, industrial builder, or renovation specialist, the HTG 800-4E delivers results you can trust — fast, clean, and consistent.
Learn More: Selecting floor preparation equipment
Learn More: How to do floor grinding.
Learn More: Setting the correct rpm of a floor grinder.
What is a concrete grinder?
A concrete grinder can come in many configurations, the most common being a hand-held Angle grinder, but it may be a specialized tool for countertops or worktops. There are also purpose-built floor grinders that are used for grinding and polishing marble, granite and concrete. Machines that grind concrete floors are usually made to handle much more stress and will have more power to drive the unit as concrete has a much higher sliding friction than marble or granite which is also worked wet, therefore with less friction. In fact some types of marble will spark when it is ground dry, causing deep damage to the marble surface.