Compact Concrete Edge Grinder 4kW | 400mm 90kg Wall Polisher
The CHINESE RED CZ-368 is an agile, 6-head multifunctional edge grinding machine designed to tackle tight corners, wall perimeters, and narrow spaces with ease. Driven by a 4 kW motor and a 4 kW imported chip inverter, this unit features a 400×400mm operating chassis with detachable side shrouds and adjustable locking pins for seamless left and right wall-flush grinding. Weighing only 90 kg, equipped with a 4-position ergonomic handle, dual-voltage input (220V/380V), and a built-in vacuum port, the CZ-368 offers effortless single-operator mobility and dust-free execution.




| Key Specifications |
| Parameter | Specification |
|---|---|
| Model | CHINESE RED LJ-368 |
| Working Footprint | 400 × 400 mm (40 cm Disc Diameter) |
| Motor Power | 4 kW |
| Inverter Power | 4 kW Imported Chip Inverter |
| RPM Speed | 0 – 1800 RPM (Variable Speed) |
| Working Voltage | 380V / 220V Dual Compatibility |
| Edge Trimming Mechanism | Left/Right Detachable Covers + Pins |
| Handle Adjustability | 4 Ergonomic Angles |
| Dust Control | Dedicated Vacuum Hose Port |
| Net Weight | 90 kg |
| Dimensions | 800 × 540 × 1220 mm |
| Applications |
Wall-Flush Perimeter Edge Finishing: Detachable shrouds allow flush grinding along left or right walls without leaving unworked gaps.
Confined & Residential Sites: Compact 400mm footprint maneuvers easily through narrow doorways, restrooms, and balconies.
Staircase & Multi-Level Projects: At just 90 kg with ergonomic lift handles, it can be easily carried up stairs by operators.
| Product Advantages |
Quick-release side covers and location pins enable effortless switching between left and right wall trimming.
Solves loading and transport challenges; can be easily transported by one person in standard utility vehicles.
Connects to standard residential 220V supplies when 380V industrial outlets are unavailable.
Adjustable handlebar positions optimize leverage for loading, transporting, wall trimming, and manual carrying.