Macap Leo 55 Doserless Espresso Coffee Grinder
The Macap Leo 55 Espresso Coffee Grinder is a high-end coffee grinder made in Italy that features large 55mm flat steel burrs, a powerful motor, and a stepless grind adjustment system. Its unique dosing chamber design minimizes coffee retention, resulting in better-tasting espresso.
See our first impressions of the Macap Leo 55 grinder on our YouTube Channel
The Leo 55 is very similar to the Leo 55 Essential. The hopper, burr size, & motor are all the same. The only difference is the on-demand controls. The grind settings on the Leo 55 are controlled by hand and grind operations are controlled by your portafilter. For the Leo 55 Essential, all settings and grind operations are controlled by hand. Choosing between the 2 grinders is all a matter of preference.
The Specialità from Eureka is another similar model. They both have 55 mm flat burrs and a similar footprint on your countertop. Both bean hoppers hold approximately 300 grams of roasted coffee beans. However the Specialità has a low profile shape which saves an extra inch off the height. The on-demand controls are simple for both grinders, but the Leo 55 is the one that has a triple dosing option. Combining this with the larger motor & grinding speed makes production a little faster and the clear choice.

Grinding adjustment
- Stepless – Gives an infinite number of grind settings which allows you really fine-tune your grind fineness. The adjustment knob is located on the back right of the grinder The entire dial is numbered so you can remember your current grind setting easier. Turn clockwise for a finer grind and counterclockwise for a coarser grind.
- Solid aluminum knob – Built to last over long years of use.

Grinding burrs
- Flat burrs – Large size at 55 mm. The larger the size, the more of a grinding surface, resulting in faster production.
- Easy access – Remove the bean hopper. The 3 center Allen key screws on the top hold the upper burr carrier.
- Very, very little retention in doserless chute.

Portafilter fork
- Ease of use – Allows you to rest your portafilter while grinding for a complete hands-free operation. Accommodates most portafilters.
- Adjustable – There is an Allen key screw that you can adjust to fit your portafilter.
- Removable – You can remove the fork if you wish to grind into a container.
- Rubber coating – The top of the fork has a rubber coating to reduce vibration and prevent scratching the portafilter.

Bean hopper
- Low profile – The total height of the grinder without the hopper is approximately 9.5″. The bean hopper adds another 5.5″ bringing the total height to approximately 15″. The total capacity is approximately 300 grams.
- Stopper – A door near the bottom of the hopper can be pushed in to close the opening. This allows you to remove the hopper with beans inside so you can easily change the beans. There will be some beans already passed in the burrs which will have to be ground out first before removing the hopper.

Electronic controls
- Multiple dosing options – Press the center circular graphic on the screen to switch between single-cup dosing, double-cup dosing, triple dosing (OFF by default), and semi-automatic dosing.
- Time-based grinding – You can adjust the time for each automatic dose from 2.2 seconds up to 30 seconds. You can make very tiny adjustments in 0.1-second increments. You can lock these settings by pressing and holding the circular graphic button for 3 seconds. This helps prevent other users from accidentally changing the dosing times.
- Dosing count – This helps keep track of usage. You can access it by holding the circular graphic for 8 seconds. Once the screen changes, use the “+” and “-” buttons to switch between the options. You also have options to turn triple dosing & semi-automatic dosing ON or OFF.

Easy operation
- Power button – Located in the lower back of the grinder.
- Select grind mode – Simple controls with easy-to-understand display.
- Start grinding – Use your portafilter to activate the push button.
- Also quiet operation – ~ 72 +/-3dB (depends upon environment)
Espresso Coffee Grinder Warnings:
- Changing grind settings: It is very important to only change grind settings when the unit is powered on and the burrs are in motion. If you do not do this, the burrs will ‘gunk’ up and render the grinder to only produce very coarse grinds or no grinds at all. To remedy this, you will have to open up the grinder to get access to the grinding burrs. This issue will be considered operator error for lack of following directions, and not be classified as a defective grinder.
- Electrical cord: The cord is placed between the packaging (foam or cardboard) and the underside body of the grinder. During shipping, it is normal for a bend or insignificant blemish/slice to damage the cord.
- Finding coffee grinds in a new grinder: We have confirmed that the manufacturer tests EVERY grinder with coffee beans before it leaves their facility. Unfortunately, they are not always able to get every trace of coffee out of the grinders after testing. As a result, you may find coffee beans or grinds inside your grinder, or there may be grinds in the packaging.
- Static issues: There are static issues with all grinders, even the highest-quality models. We firmly believe that the static comes from the coffee beans. If you are having static problems with your coffee grinder, try using a different blend of beans.
- Electrical: To avoid electrical damage (which is not considered a manufacturer’s defect), please acquire and install a single-outlet surge suppressor rated at 1080 joules or higher. A surge without protection can damage a grinder at the power switch, the capacitor, the motor, or the wiring.
- Burr cleaning: For routine maintenance of the grinding burrs, we recommend using grinder cleaning agents. We do not recommend any removal of the burrs or the burr carrier for cleaning (unless absolutely necessary) as re-assembly can cause damage.
- Replacing burrs: NEVER use a flathead screwdriver and hammer to wedge under the burrs for removal. This could badly damage your grinder.
Specifications
Brand | Macap |
---|---|
Height (inches) | 15, approximate |
Width (inches) | 5.25, approximate |
Depth (inches) | 7, approximate |
Wattage (watts) | 390 |
Voltage (volts) | 110 – 120 |
Burr size (mm), Type | 55, flat |
Grinding speed (RPM) | 1680 |
Hopper capacity (grams) | 300 |
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