National Equipment 8274-4: The Versatile and Powerful Floor Grinding Solution
The National Equipment 8274-4 is a high-performance, 18-inch planetary grinder ideal for tackling various concrete floor preparation and polishing tasks. Its unique features and powerful motor make it a versatile and user-friendly solution for professionals.
Key Features
- Unmatched Power: Delivers 3 HP at 115V for efficient grinding performance, adjusting to both small and large jobs (15 or 20 amp operation).
- Variable Speed Control: Fine-tune grinding speed for optimal results on different materials and applications.
- Soft Start and Electronic Control Box: Minimizes breaker tripping and ensures smooth operation.
- Three-Part Adjustable Handle: Offers customizable comfort and ergonomic control.
- Forward and Reverse Controls: Enhance tooling life and promote even wear on consumables.
- Dual Rear Vacuum Ports: Connect vacuum systems for optimal dust collection and improved air quality.
- Flip-Style Weights: Easily adjust head pressure for different grinding requirements.
- Removable Handle and Weights: Facilitate convenient transportation and storage.
- 18-Inch Grinding Path: Covers a large area for efficient grinding.
- Self-Tensioning, Single-Belt Design: Ensures consistent belt tension and optimal grinding performance.
- Adjustable Velcro Dust Guard: Enables dustless operation and allows close work to walls (within 1/8 inch).
- 90° Rotating Grinder Head: Provides easy access for tool changes.
- Morflex Couplers: Assist in polishing uneven surfaces and creating uniform scratch patterns.
- On/Off Switch on Handle: Offers convenient control for improved user experience.
Specifications
- Width: 20 inches (50.8 cm)
- Disk Size: 18.5 inches (46.99 cm)
- Max Height: 52 inches (132.1 cm)
- Min Height: 27.5 inches (69.85 cm)
- Max Length: 75 inches (190.5 cm)
- Min Length: 38.5 inches (97.8 cm)
- Weight: 388 lbs (176 kg)
- Drum RPM: 133.8
- Motor RPM: 400-2000
- Motor Phase: Single
- Horsepower: 3
- Amps: 15 or 20
- Voltage: 115V
- Frequency: 60 Hz
8274-4 MANUALS
/content/402902_RevB (8274-4 Operating)-sm.pdf
/content/402973_RevB (8274-4 Service)-sm.pdf
About National Flooring Equipment
Proudly Built in America
Our products are made right here in the United States, where quality assurance standards are among the highest in the world. When you buy domestically, you benefit from accessible facilities, more reliable supply chains, and superior products. We’re also there for our global customers with local service teams ready to lend a hand when required.
We're proud to build locally, ship globally, and help you solve problems no matter where you're located. This approach is how we built our company, and it will always be part of how we do business.
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