Curtis GSG 3BLK Commercial Coffee Grinder


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  • – Bulk performance
  • – Grind all consistencies
  • – Easy grind adjustment
  • – Large hopper

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Using the same powerful engine found in leaf blowers, belt sanders, chop saws, conveyor belts and garage door openers, the Curtis GSG 3BLK Commercial Coffee Grinder gets the job done with "More Power!" Blow through the 2.5 pound hopper capacity in minutes with rapid-fire grinding. A wide mouth opening and several standard safety features make it cleaner and safer to use than most professional grade power tools found in the garage. Click to change grinds from extra course to espresso with ease.

Features and Functionality

  • Safety Dance: Machine will grind only when bag is in place
  • Click-Stop: Adjustable settings from extra coarse to espresso
  • Chutes and Ladders: Gravity feed with smooth stainless steel hopper
  • Hopper Capacity: 2.5 pound capacity with wide mouth opening
  • Precision Burrs: For long life and precise grind control
  • Additional Warranty: 40 months or 40,000 pounds of coffee on grinding burrs


Model Number GSG-3BLK
Manufacturer Curtis
Width 7.125 inches
Depth 14.75 inches
Height 25.625 inches
Product Weight (lbs.) 52.0000
Volts 120 volts
Volume (Decibles) No
NSF Certified Yes
Bean Hopper Capacity 2.5 pounds
Dosing Options No Progamming - All Manual
Grinder Style Burr - Flat Steel


Browse 2 questions and 2 answers
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will this grinder grind TURKISH fine ?
I enjoy Turkish coffee , am looking for a grinder that will allow me to be able to buy a variety roasted beans and be able to grind for : Turkish , French press , stove top espresso , espresso and some drip . with simple adjustment of grinding wheel .
DENNIS O on Jun 8, 2017
Best Answer: It's possible, but it's not reliable. There is a BUNN bulk (called the BUNN Bulk G3) grinder with a dial that can be modified with burrs designed for Turkish coffee, but it will make every setting finer. That means that it might not be suitable once modified for cold brew or maybe french press grinding. Hope this helps
Reply · Report · Daniel LStaff on Jun 12, 2017
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what setting do you use for medium grind?
Rosemary S on Oct 7, 2015
Best Answer: It depends on what you're looking for. This machine can grind for a variety of uses, so depending on what you're trying to brew for, you can probably find the setting that you need. The dial on the front turns to select the setting you'd like, so rotate from left to right to select anywhere from french press down to a pretty fine espresso.
Reply · Report · Miranda GStaff on Oct 8, 2015
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You're reviewing: Curtis GSG 3BLK Commercial Coffee Grinder

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Warranty Information

What it Covers: Curtis equipment


  • 3 Years, Parts and Labor, from Original Date of Purchase on digital control boards.
  • 2 Years, Parts, from Original Date of Purchase on all other electrical components, fittings and tubing.
  • 1 Year, Labor, from Original Date of Purchase on all electrical components, fittings and tubing.

Who Supports the Warranty: Wilbur Curtis Company Inc.

Warranty Contact Information: Technical Support Department 1-800- 995-0417


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