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Rancilio MD 40 Commercial Burr Espresso Grinder

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Product Description

What other manufacturer knows more about sating the throngs of coffee addicts lined up outside your cafe in the bleary morning hours? Rancilio moves beyond high-end commercial espresso makers with their professional line of grinders so that you can control everything about the shots of liquid energy your baristas craft for your customers.

The smallest of the MD line, the MD 40 is a Semi-Automatic grinder constructed of die-cut aluminum wrapped in polished steel and topped with a super-large, blue tinted and UV protected bean hopper designed to hold over a pound of roasted espresso beans. Appointed with tempered steel grinding plates that shred through beans, the MD 40 can produce over 7 pounds of fresh espresso in the span of an hour. Rounding out its features, the integrated doser makes it easy for the busy barista to tap out just the right amount of grounds into the waiting portafiliter or press. Simply put, this grinder is a must-have for any cafe looking for quality, consistency and productivity from their grinder.

How the Rancilio MD 40 Commercial Burr Grinder Works

  • Fill the bean hopper with beans
  • Adjust to the appropriate setting
  • Turn on grinder
  • Read the manufacturer manual for full instructions on operation

Features & Functionality of the Rancilio MD 40 Commercial Burr Grinder

Discover the professional features and automatic functionality that makes Rancilio grinders the preferred choice among some of the world's finest cafes.

  • Commercial Capacity: The powerful motor and grinder unit of this machine can turn beans into espresso in two seconds flat. Designed to deliver over 7 pounds of ground coffee in an hour, there isn't a coffee shop or cafe around able to provide demand that exceeds the Rancilio's ability to deliver.
  • Steel Burr Grinder: The heavy duty 55mm burr grinding plates are made of tempered steel and operate at a super low RPM (rotations per minute) to prevent unnecessary heat build-up and transfer to your coffee beans. The grinder's motor is housed in thermal protection to prevent overheating.
  • Coffee Dosing System: The MD 40's dosing system adjusts from 5 to 10 grams per dose.
  • Semi-Automatic: You'll manually adjust the machine to fill the dosing chamber, which gives you a tad more control over output.
  • Great Bean Hopper: Made of blue tinted molded plastic with a black lid, the Rancilio hopper keeps 1 pound of coffee beans well sealed so they remain fresh and ready to grind. The blue tint is designed to prevent UV rays from damaging the beans while they are in the hopper.

Tech Specs

  • Color: Silver and Black
  • Power: 280 Watts @110 Volts
  • Size: 5.5" x 13.1" x 17.3"H
  • Weight: 19.8 pounds
  • Body Material: Die-cast Aluminum and Steel
  • Origin: Italy
  • Built-In Tamper - MD 40 has a built in (and removable) tamper that's adjustable between the 53mm and 56mm portafilter sizes
  • Doser - Easy portioned coffee with a twist of a lever? The built-in doser on this machine does just that
  • Price - If you're not setting up your cafe or office to handle this quantity of coffee, you might want to consider a machine that matches your usage better
  • Semi-Automatic - The MD 40 is Semi-Automatic, so you'll have to manually turn the machine on or off to fill the dosing chamber
Suitable Applications Espresso

Additional Information

Manufacturer Rancilio
Width 5.5 inches
Depth 13.1 inches
Height 17.3 inches
Product Weight (lbs.) 19.8000
Watts 280 watts
Volts 110 volts
Volume (Decibles) No
Bean Hopper Capacity 1 pound
Dosing Options Programmable Dosing Functionality
Burr Diameter 55 mm

Ask a Question

Browse 5 questions and 5 answers
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Hello! I got one of these not to long ago, and the grind adjuster will NOT budge. I'm not sure what do to. Any ideas? Thanks!
Elizabeth on Nov 18, 2014
· Add Answer · I Have This Question Too (6)
I have a Rancilio Rocky Coffee , which grinds for Turkish coffee as well, my question is what's more in MD 40?
Greg G on Feb 13, 2015
Best Answer: The Rocky will be great for a home machine, but you would use the MD 40 in a small cafe or office situation, where it will be grinding for a longer period of time or more frequently. The MD 40 also has slightly larger burrs (55mm) so it will grind just a little faster, and only comes in the doser version, with a tamper built into the side of the doser, allowing you to tamp upwards slightly right at the machine. This is intended for a heavier use situation that just at home.
Reply · Report · Stephanie AStaff on Feb 14, 2015
· Add Answer · I Have This Question Too (2)
Is the espresso ground for this machine good quality grind? Would this grinder work good in a coffee stand setting?
A shopper on Mar 21, 2014
Best Answer: Yes, this Rancilio MD40 produces a good quality grind that will work well in a coffee stand. We would be happy to offer you additional assistance depending on your specific volume and needs if you'd like, just give us a call to speak with commercial sales at 866-372-4734.
Reply · Report · Teri KStaff on Mar 21, 2014
· Add Answer · I Have This Question Too (2)
Hi, two questions:
1) Is there any reason to consider the Rancilio MD40 Commercial Grinder over the Rancilio Rocky? This would be for home use-- grinding enough for 3-6 cups espresso per day (Via Venzia machine).
2) With moderate daily home use, can I justify a splurge on the Macap M4 or should I just be happy with the lower priced Rocky since all of them will probably break after a few years use?? Help please! Thanks for all videos. So helpful.
A shopper on Jan 7, 2016
Rancilio MD 40 Commercial Burr Espresso Grinder
Rancilio MD 40 Commercial Burr Espresso Grinder
MACAP M4 Stepless Doser Grinder
MACAP M4 Stepless Doser Grinder
Rancilio Rocky Doser Grinder - Open Box
Rancilio Rocky Doser Grinder - Open Box
Best Answer: The MD40 is a beautiful machine but I don't see why it should be the choice for home use, unless you just like it more, over $500 more. True it's semi automatic but it's not hard to dose. I have two with dosers (one up at the cabin) and first bought one 4 years ago and haven't had the slightest problem with it. It gets daily use (3-8 shots/day) and produces a constant reliable grind.
Reply · Report · John E on Feb 5, 2016
· Add Answer · I Have This Question Too (1)
How do you adjust the courseness of the coffee being produced?
A shopper on Jun 20, 2012
Best Answer: The grind is adjusted by a small dial on the front of the Rancilio MD40 grinder.
Reply · Report · Kaylie KStaff on Jun 27, 2012
· Add Answer · I Have This Question Too (1)


Warranty Information for the Rancilio MD 40 Commercial Burr Espresso Grinder

What it Covers:

Rancilio espresso machines and grinders


- Home Use: 1 year parts and labor (Silvia and Rocky)

- Commercial Equipment: 1 year parts, 3 months labor

Who Supports the Warranty: Seattle Coffee Gear
Warranty Contact Information: 866-372-4734 or email us at

The Silvia and Rocky are eligible for SCG's standard warranty support and service. Learn more about what's covered.

All other espresso machines and grinders are covered by a limited, commercial-class warranty. For more information on service and support, please discuss with your commercial sales rep.

Eligible for SCG Extended Warranty? Yes (Silvia only).
Can SCG Repair? Yes. Read more about our out-of-warranty repair services.


For detailed care instructions, please refer to your grinder's user manual. We recommend that you also incorporate the following into your cleaning routine:

  • Clean burrs on a weekly to bi-weekly basis, either with a cleaning brush or a burr grinder-specific cleaning product, such as Grindz.
  • Remove and hand wash bean hopper and lid with warm soap and water as needed

Videos Featuring the Rancilio MD 40 Commercial Burr Espresso Grinder

How to Dial in a Grinder


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