Hawk Merlin Direct Drive Concrete Floor Grinder: HD Torque, Durable, Low RPM.

COMBO DISCOUNTS Grinder / Guard / Vac		SELF-CLEAN Vac Bag	CERTIFIED HEPA VACS OSHA SILICA DUST COMPLIANT			Cyclone Vac Revolutionary	421 CFM 120v Vacs	SEALANT CUTOUT
		Universal Fit "Air Pulse"	CERTIFIED HEPA VACS OSHA SILICA DUST COMPLIANT					"Ninja"

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Hawk Concrete Floor Grinders & Slurry Vacuums.

Direct Drive Floor Grinders

American Made USA Engineered

Price List


5 handle positioning heights with pin-set lock.	Dual operating steel triggers with negative pressure on/off switch	Dust shroud is built with 2" vacuum port.	Includes 80 lbs of weighted plates with locking pins.	360° duct in brush apron that directs debris to the vacuum port.	50 ft 2-pc (12-3) SJTOW w/ Yellow Twist Lock Plug

Model	F75-17B
Machine Size	17"
Driver / Plate Size	16"
Tools / Plate	6
RPM	165
Max Amp Draw	7.9
Weight	233 lbs.
Model	F75-20B
Machine Size	20"
Driver / Plate Size	19"
Tools / Plate	6
RPM	165
Max Amp Draw	8.5
Weight	235 lbs.
Specs - Both Models
Motor	1.5 HP, 180 frame TEFC Dual Capacitor AC
Power	120 - 240V 60 Hz power
Drive System	Triple-XHD 11:1 Helical-Cut Industrial Gears
Steel Drive Shaft	Versus a fiberglass drive shaft (sold on standard 'janitorial' swing machines) that wears and breaks often
Wheels, Non-Marking	2" x 8", ball bearing
Vacuum Hose, Dust Port	2"
Approvals	UL / CUL Listed 66 dB - Meets GS42 Standard
Disc Rotation	Counter Clockwise (as viewed from the handlebars)
Warranty	1-Year

Direct Drive vs. Planetary ~ Know Your Market. The type of equipment needed starts with understanding the project size and your target market [i.e. concrete polishing vs. coating removal and grinding.]

Concrete Grinders Can be characterized as planetary or direct-drive. Understanding the difference between the two technologies will enable you to choose the right grinder to smooth, prep, level or polish a concrete floor.

Planetary Gearbox

Gear design allows the grinder to move in a straight line across the floor with relative ease, which means greater flexibility and less struggle for operators
Best used on less aggressive jobs such as smoothing out a concrete floor or preparing smaller floors for an epoxy coating
Gearbox is spread to 2, 3, 4 and more heads using a series of belts and pulleys
The design typically provides more torque during starting and then transferred to the individual heads for increased RPM which is beneficial for polishing
Extreme heavy-weight machines, typically 800 lbs. and above. The weight offsets the faster RPM speed which many prefer for higher-productivity rates on grinding and removal applications.

Summary: Exceptional for polishing and very large square-footage projects.

Direct- Drive Metal Gears

Gear design is a direct connection from the motor to the grinding head which maximizes energy and efficiency while reducing amp draw and avoids friction loss and wear that occurs with an offset planetary gearbox
Maintenance is minimal and the purchase price is less because the planetary gearbox is eliminated.
Direct connection from the motor eliminates belts and pulleys that are in planetary grinders
Design optimizes the grinder's weight and rotational speed while maintaining high torque which a planetary grinder does not
Skilled and unskilled users can take advantage of the direct drive / wheels-down design to perform more intensive tasks such as removing heavy mastic or thick layers of paint from a concrete surface.

Summary: Exceptional for grinding, coating removal, polishing.

Maintenance is minimal if any
Easy to transport
Repair cost is minimal and not expense
Operates from a standard 120 volt, 15 or 20 amp circuit
Faster walking speeds but due to the path-width and scope of the project, multiple paths maybe required.

Diamond Driver Plate (right) Accepts a complete assortment of diamond tools (shown below) to grind, remove coatings & sealers including thick tar, polish and scarify concrete, granite and marble floors. Plates are equipped with metal 3-keyway clutch plate (right), the industry standard for rotary grinders and buffers - prevents bodily injury and damage to the plate and grinder < click here for additional info and to order >
Orbitec Driver - Concrete Polishing (right) Application: Professional polishing of concrete and stone floors Planetary Design - the Orbitec Driver spins at 165 RPM (counterclockwise, as viewed from the handlebars), while the individual, opposite spinning heads (6) rotate at 400 RPM (clockwise). Pedestal heads (6) accepts 3" round, semi-metal and resin polishing pads. Plate equipped with metal 3-keyway clutch plate (right, #NP 9200) for easy attachment to the Hawk grinder Pedestals with hook’n loop facing, securely mount and hold the 3" round diamond pads < click here for additional info and to order >
Diamond Tooling The following diamonds install into the recessed and magnetic slots of the Diamond Driver Plate (above) The 9-5/8" driver plate holds (3) tools and the 12-5/8" driver plate holds (6) tools For tooling to fit the Hawk Machines & Driver Plates, click on the following pictures.
GRINDING / COATING REMOVAL			POLISHING
Metal Diamonds - HTC Tooling -	Coating Removal - HTC Tooling -	Carbide Scrapers - HTC Tooling -	3" Round Pads - Transitional / Polishing -

Dust Extractors Compact, HD Built, Portable, Low 120 Volt Amp Draw Recommended vacuums, replacement hoses and connectors.

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