Concrete Polishing HQ  |  SKU: L31GRS7

Lavina® L31GRS7 Remote-Controlled Grinding and Polishing Machine - Propane

Transform your concrete work with the Lavina® L31GRS7—the remote-controlled grinding and polishing solution that puts professional results in your hands. Propane-powered performance means you work faster and smarter, tackling larger areas without fatigue or downtime. The wireless remote gives you complete control from any angle, navigating obstacles and edges with precision that handheld alternatives simply can't match. Whether you're on a residential driveway or commercial floor, propane reliability ensures consistent power when and where you need it most. Invest in equipment that works as hard as you do.

Regular price $39,990.00
Shipping calculated at checkout.

Experience the perfect combination of convenience and power. With remote-control operation and a high-performance propane engine, you’ll cover more ground in less time. And, the propane power means it’s ready to perform wherever you need it.

Features & Benefits

  • User-friendly remote control with 4.3” TFT LCD display
  • Removable Li-Ion battery with battery charger
  • M-Key removable magnetic power key switch
  • Controls include: emergency stop, two joysticks to control grinder movement, switches for engine rpm, direction of tool rotation, speed rpm, swing correction
  • Main screen shows working parameters - power supply voltage, battery, engine load, RPMs, rotation direction of tools, maintenance alerts, hours, etc.
  • RC grinders can be used in manual mode (without RC or controller).

Technical Specifications

  • Propane Engine: VANGUARD
  • Engine Capacity:35 hp / 26 kW 993 cc
  • Weight of Machine 1235 lbs / 560 kg
  • Grinding Pressure GP: 392-690lbs/178-313kg
  • Grinding Pressure with Optional Weight: 794 lbs /360kg
  • Engine RPM: 2000-3600 rpm
  • Working Width: 30.8 in / 783 mm
  • Tool Holder Diameter: 3 x 13.2in / 335mm
  • Heads Rotation: Counterclockwise
  • Vacuum Hose Port: Camlock E300
  • Propane Tank Capacity: 20 lbs / 9 kg
  • Water Tank: N/A
  • Water Feed: Hose Only
  • Machine Size (H x W x L): 86 x 32 x 46 in