Product Description
This powerful, 110V machine will prep and polish concrete up to a 3000-level polish. The 8274-4 is a planetary grinder powered by a 3 HP motor. Built in soft start to control amperage draw, and an upgraded box, this 110V machine runs at a 230V level.
Adjustable weights and variable speed allow the 8274-4 to adjust 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.
| Width | 20″ | 51 cm |
| Disk Size | 18.5″ | 47 cm |
| Max. Height | 52″ | 132 cm |
| Min. Height | 27.5″ | 70 cm |
| Max. Length | 75″ | 191 cm |
| Min. Length | 38.5″ | 98 cm |
| Weight | 388 lb | 176 kg |
| Drum RPM | 133.8 | |
| Motor RPM | 400-2000 | |
| Motor Phase | Single* | |
| HP | 3 | 2.24 kW |
| Amps | 15 or 20 – controllr can switch between both settings | |
| Voltage | 115 | |
| Frequency | 60 Hz | |
Included with the 8274-4:
- 401882: Morflex couplers
- 9241: Quick-change magnetic-mount assembly: Three assemblies and three 73250 tooling holder mounting screws are required
- 73135: 5/32″ Hex key
- 9245: Velcro Adapter – mounts onto the 9241 quick-change magnetic assembly for using polishing pads and brazed disks. Three adpaters are required.
- 6280-401B: 7/32 T-handle wrench
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