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
