DC350/400

Alec DC350/400 External Vacuum Concrete Grinder is a high-efficiency, dust-free floor grinding machine designed for concrete, epoxy, terrazzo, and marble surface treatment.

Motor Power: 3KW/4KW

Voltage: 220/380V

Grinding Width: 350/400mm

Products Description

Construction sites across South America, the Middle East, Central Asia and Southeast Asia commonly face harsh conditions: high heat, heavy dust, uneven concrete floors and shortages of skilled workers. Traditional grinders are bulky, failure-prone and costly to maintain, bringing heavy after-sales pressure to local distributors.

Optimized for these regional working conditions, our hand-push grinder features a sturdy steel structure with high temperature, dust and wear resistance. Its flexible manual push design fits narrow indoor and job-site spaces perfectly, enabling long-hour continuous operation in harsh environments.

Equipped with a high-stable motor and dead-angle-free grinding system, it handles floor leveling, old floor renovation, epoxy base treatment and stone polishing efficiently. Extremely easy to operate with zero professional training required, it solves the local skilled worker shortage. Versatile, low-maintenance and high-turnover, this machine is a product for distributor resale and project matching.

Products Advantage

Products Parameters

ModelDC350/400 External Vacuum Cleaner Type
Main Motor Power3KW/4KW
Fan Power0.75KW
Voltage220/380V
Ash Hopper Capacity24L
Grinding Width350mm
Gross Weight117/130kg
Packing Size875×535×1190mm

Product Field Work

Concrete Grinding Machine

Detailed Display

01
Large dust collection box

A large-capacity dustbin can hold more dust, reducing the need for frequent dust removal, while a drawer-style dust cabinet makes cleaning easier.

02
Pure copper motor

Utilizing a national standard pure copper motor,performance is more stable and power is stronger.

03
Fan

The all-aluminum alloy turbine high-speed fan provides better heat dissipation and ensures more stable power output.

04
Magnetic chuck

The large-diameter grinding disc provides better polishing results, while the ample space allows for more thorough dust extraction. The magnetic suction cup allows for quick blade replacement in just one minute.

Product Specifications

Product Photos

Engineering Construction Machinery

Table of Contents

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    FAQ

    Frequently Asked
    Questions.

    Is this floor grinder suitable for the high-temperature and dusty construction environment in Middle East, Central Asia and Southeast Asia?

    Yes. Fully optimized for high-temperature and dusty environments. Sealed dustproof design, overheat protection motor and wear-resistant parts support stable daily continuous operation.

    What is the MOQ for distributor cooperation? Can I mix bulk orders?

    Flexible MOQ for regional distributors. Mixed loading of different models and accessories is supported for low-risk market testing. Large-batch clients get exclusive regional agency rights.

    Is the operation complicated? Do local workers need professional training?

    Extremely easy to operate with pure mechanical hand-push design. No professional training needed. We provide English manuals and tutorial videos; workers can master operation in 10 minutes.

    Can you customize the machine according to local market demand?

    Yes. We support custom motor power, grinding disc sets, dust removal systems and logo printing to fit local market preferences and help you build differentiated competitiveness.

    How is the market profit space of this equipment?

    Floor grinders are rigid construction necessities with huge steady demand. Factory direct sales offer low ex-factory prices and high gross profit margins. Fast inventory turnover makes it an ideal long-term agency product.