Product Description
The Lavina L20S7 Triple Head Floor Grinder is a powerful and advanced grinding machine designed for professional concrete grinding, polishing and surface preparation applications. Built for flooring contractors, polishing specialists and industrial surface preparation professionals, this high-performance machine delivers exceptional durability, precision and grinding efficiency across demanding commercial and industrial environments.
Powered by a robust 7.5hp / 5.5kW motor, the L20S7 delivers strong and consistent grinding performance while supporting both single-phase and three-phase power configurations. Its triple-head planetary grinding system provides smooth and balanced operation with excellent surface coverage for medium and large floor preparation projects.
The machine features a sealed and dust-proof grinding head with a chain-driven planetary drive system designed for improved reliability and reduced maintenance requirements. Upgraded shafts, seals and bearings further enhance long-term durability while the lighter timing pulleys improve power transmission efficiency during grinding operations.
The redesigned frame allows for easier and faster tool changes while the updated handle design offers multiple positioning options for improved operator comfort and control. Adjustable LED lights with magnetic attachment improve visibility during grinding operations in low-light environments.
With a 20-inch / 510mm working width and adjustable tool holder speed ranging from 400 to 1100 RPM, the Lavina L20S7 offers excellent versatility across grinding, polishing and floor preparation applications. The integrated water tank supports wet grinding operations while the vacuum hose port allows for effective dust extraction during dry grinding applications.
Whether used for concrete polishing, coating removal, floor levelling or industrial surface preparation, the Lavina L20S7 delivers reliable high-performance results with advanced engineering and professional-grade durability.
Specifications
- Motor: 7.5hp / 5.5kW
- Voltage: 1 or 3 Phase, 200 – 240V, 30A
- Machine Weight: 518 lbs / 235kg
- Grinding Pressure: 210 – 286 lbs / 96 – 130kg
- Tool Holder Diameter: 3 x 9in / 225mm
- Tool Holder RPM: 400 – 1100 RPM
- Working Width: 20in / 510mm
- Head Rotation: Counterclockwise
- Vacuum Hose Port: 50mm Pipe
- Water Tank Capacity: 2.1 Gallons / 8L
- Additional Weights: No
- Machine Size (L x W x H): 86 x 32 x 46in
Ideal Applications
- Concrete floor grinding
- Concrete polishing applications
- Surface preparation projects
- Epoxy and coating removal
- Industrial floor renovation
- Commercial flooring projects
- Warehouse floor preparation
- Retail and showroom floor polishing
- Floor levelling and smoothing
- Professional grinding and polishing applications




