Product Description
The 550 has been refreshed this year with a new height adjustment mechanism, and a simpler method for removing the front weight. These changes bring a fresh new twist to our classic 550 walk-behind.
National’s 550 is ideal for residential work and tight confined spaces on commercial jobs. The accelerated RPM orbital cutting action delivers an efficient and operator-friendly machine. With decibel ratings under industry and safety standards, this machine is a must-have.
| Power Supply | Electric | |
| Width | 17.75″ | 45 cm |
| Max. Height | 42.5″ | 108 cm |
| Height (without handle) | 21″ | 53 cm |
| Max. Length | 32.5″ | 83 cm |
| Weight | 123 lb | 55.8 kg |
| Removable Weight | 44 lb | 20 kg |
| Weight (machine only) | 79 lb | 35.8 kg |
| Speed | Manual | |
| RMP | 1725 | 1425 |
| Voltage | 115 | 230 |
| Frequency | 60 Hz | 50 Hz |
| HP | 1 | .746 kW |
| Amps (full load) | 14 | 7 |
| Noise Emission | 73 dB |
Included with the 550:
- Kit 5170 includes:
- 147 4″ x 6″ blade
- 6285 3″ x 6″ Heavy-duty Blade
- 7050-202 3″ x 10″ Premium High-tempered Blade
- 6265-BD 90 degree Self-scoring Blade 3″ x 8″ x .094″
- 5280-137W: 6mm T-handle Wrench
- 551 Angle Shank Holder
- 552 2″ x 4″ Angle Shank
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