2020 National Flooring Equipment Grinders And Polishers 8274-4 Planetary
Information
2020 National Flooring Equipment Grinders And Polishers 8274-4 Planetary
The 8274-4 is the only grinder on the market offering 3 HP at 115 volts while operating at a 230-volt level. With variable speed and a soft start to control its amperage draw, the 8274-4 adjusts to the needs of small or large jobs. This machine is well suited for removal of thin-set, coatings, adhesive, prepping concrete for overlays or coatings, and polishing.
Features may include:
SAFETY
Dual rear vacuum ports
Removable handle and weights for easy transport
COMFORT
Three-part adjustable angle handle
PERFORMANCE
Choose from 15A or 20A circuit-breaker settings with a convenient switch on the side of the controller; the 15A selection limits motor draw to 15 amps; the 20A selection pulls up to 20 amps
Forward and reverse directional controls increase tooling productivity with cleaner consumables and more even wear
Variable speed control
Flip-style weights for added or decreased head pressure
18-inch grinding path; uses National’s patented self-tensioning, single-belt design to prepare concrete surfaces to a 3000-resin shine
Adjustable velcro dust guard lets the machine operate within an eighth of an inch of walls and promotes nearly dustless operation
Grinder head rotates 90 degrees for easy tooling change access; Morflex couplers, polishing undulating concrete surfaces or creating a uniform scratch pattern for coating applications; operates a complete dry grind and polish system to eliminate messy and hazardous slurry
Photos
Highlights
Des Moines, Iowa
2020
National Flooring Equipment
Grinders And Polishers 8274-4 Planetary
3 HP (2.24 kW) | Drum RPM: 133.8 | Motor RPM: 1740
Available
20" (51 cm)
Max: 52" (132 cm) | Min: 27.5" (70 cm)
Specifications
2020
National Flooring Equipment
Grinders And Polishers
8274-4 Planetary
General
3 HP (2.24 kW) | Drum RPM: 133.8 | Motor RPM: 1740
Phase: Single
Voltage: 115| Frequency: 60 Hz | Amps: 15 or 20-controller can switch between both settings
Disk Size: 18.5" (47 cm)
Max: 52" (132 cm) | Min: 27.5" (70 cm)
Max: 75" (191 cm) | Min: 38.5" (98 cm)
20" (51 cm)
388 lb (176 kg) | Removable: 185 lb front, 75 lb rear (83.9 kg front, 34 kg rear) | Machine only: 1,470 lb (666.8 kg)
Disclaimer
Advertised pricing excludes applicable taxes title and licensing, dealer set up, destination, reconditioning and are subject to change without notice. Pricing may exclude any added parts, accessories or installation unless otherwise noted. Sale prices include all applicable offers. Not all options listed available on pre-owned models. Pricing subject to change without notice. Contact dealer for details.