Mahlkonig EK43S Espresso & Filter Coffee Grinder

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Sale price$2,949.00 Regular price$3,200.00

Color: Black
Hopper Size: Standard Hopper

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Who Should Buy The Mahlkonig EK43S? 

Medium to Large Coffee Shops

Presenting the space-saving little sister of the ever-popular EK43 filter coffee grinder, the Mahlkonig EK43S, a busy cafe favorite.

If you’re running a high-volume coffee shop, you may need this retail coffee grinder to power through pounds of coffee with 98mm cast steel burrs in seconds while taking up minimal counter area. 

Providing consistency and high extraction yields and reducing unpleasant bitterness, the EK43S ensures that the coffee you grind for your customers or for in-shop filter coffee brewing is always at peak flavor.

There’s plenty of versatility in this model with grind settings from Turkish coffee and espresso to pour-over, drip, and French press. If you’re looking for a compact version of the EK43, this heavy-duty little model was made just for you.


Due to its high grinding capacity, the EK43S is suitable for a roastery that needs to grind sample after sample for customers. And it certainly won’t get in the way in the production space with its compact design. 

Stepless grind adjustment gives you the precision you require to serve different customers’ needs. And with the bag clamp, the coffee is ground directly into a bag so that you don’t have to worry about wasting coffee aimed into a smaller receptacle.

Its sturdy design and stable base make it capable of holding up in rugged conditions where other grinders may show signs of wear and tear more easily. Rest assured, it’s at home in your roastery just as much as in the coffee shop.


Restaurants that do lots of batch coffee brewing will enjoy how easy and fast it is with the EK43S. But what really makes the EK43S great for restaurants is its grinding flexibility.

Special burrs can transform the EK43S into your grinder for seeds, spices, grains, and other products. If you prepare certain scratch-made recipes, the EK43S could be your ideal grinder.


The only thing the high-performance EK43S gives you less of is counter clutter.

Every bit as powerful as the EK43 filter coffee grinder, the Mahlkonig EK43S repackages the speed, flexibility, and precision in a more compact model to fit in any space.

An exceptionally robust construction and cast steel 98mm burrs allow the EK43S to grind an astonishing amount of coffee in a fraction of the time it takes other grinders—three pounds in one minute.

Giving you limitless fineness settings from Turkish all the way to French press, the EK43S provides grinding for your every brewing need. In addition to grinding retail bags, you can use the EK43 for drip coffee preparation, espresso, pour-over coffee, and more.

Coffee just tastes better with the EK43S.

Producing particle consistency unseen in high-volume grinders, the EK43 trades bitter flavors for sweeter ones with high extraction rates.

This model enhances the potential of the coffee and entices your customers to choose your cafe whenever they want a better cup of coffee.

Every Mahlkonig grinder is designed to meet a standard of perfection.

Mahlkonig never cuts corners. It’s a brand that has earned a reputation for hard-to-match performance in coffee and espresso grinders.

The EK43S is more than a professional grinder. It comes with a guarantee from one of the most highly respected brands in the industry.

Key Features and What They Mean

98mm Cast Steel Burrs

These grinding discs can zip through coffee at a mind-boggling 25 grams per second (over three pounds a minute). They’re designed to keep grinding cool even through continuous use on busy days and deliver consistent particle distribution for smooth, rich tasting notes in every batch.

Bag Clamp

Helping you get more done at once, the bag clamp holds retail bags while the EK43S grinds directly into them. This gives employees the opportunity to ring up customers, make coffee, and provide more attentive customer service even while grinding.

Knock-Off Device

Clear out the chute easily with the knock-off device. Tapping it lightly gets the remaining ground coffee out and into your container, preventing loss or accidental mixing of different roasts when grinding new batches and bags.

Stepless Grind Adjustment

Finding the right grind size couldn’t be simpler with the large dial and 16 easy-to-navigate adjustments on the front of the EK43S. Stepless grind adjustment allows you to make tiny changes as needed to dial in the grind with accuracy and improve your results.

Hopper Magnet

The grinding discs will stay safe with the hopper magnet keeping any metal scraps that might accidentally find their way in, out.

Space-Saving Bean Hopper

The EK43S hoppers provide a minimum of five extra inches of room overhead compared to the original EK43. The EK43S hoppers can also be exchanged for any other Mahlkonig bean hoppers to give you any size and capacity.


Color Options

The Mahlkonig EK43S comes in Black or White so that you can match your grinder with your decor.

Hopper Options

A standard or short hopper are available for the EK43S. If you need even more room at the top of the grinder to fit it underneath low-hanging cabinets, choose the short hopper option.

Product Specifications

Hopper Capacity 2.2 lbs
Avg Grinding Capacity
25g / sec
Idle Speed 1760 RPM
100 - 120 V / 60 Hz
Frequency / Phases 60 Hz / Single-Phase
Max Power 1300 Watts
Grinding Disc Diameter 98 mm
Dimensions (w x d x h)
9.06" x 26.77" x 16.14"
Net weight 63 lbs
Grinding Disk Material Cast Steel
Bag Clamping Yes
Knock-off Device Yes
Hopper Magnet Yes
Overload Protection Yes
Real Turkish Fine Grinding Yes
Espresso Grinding Yes
Short/Large Hopper Free Upon Request
Other Grinding Goods Coffee, spices, grains, poppy seed, linseed

ETL Safety
ETL Sanitation
IEC/EN 60335-1 
IEC/EN 60335-2-64
ANSI / UL 763
CSA-C22.2 No. 195

Common Questions and Answers

Q: What is the difference between the flat burrs in the EK43S and conical burrs in other grinders?

A: Flat burr grinders and conical burr grinders represent the two standards of the high-end coffee industry. If you’re familiar with them, you might have a preference for one or the other.

One of the crucial differences between these burr types is what they do for the coffee. The reason for this has a lot to do with the particle sizes produced by each burr type.

Flat burrs are known for creating a very even particle size. Conical burrs, on the other hand, produce bimodal particles (two different particle sizes).

The uniform size distribution from flat burrs promotes balance when you’re brewing the coffee. You’ll taste this when you drink it, and many flat burr advocates notice a special smoothness from the blending of the flavors and accentuated bassy notes.

From the bimodal particles produced by conical burrs comes a different flavor profile, usually with highlighted brightness, which can be great for light roasts that showcase brighter, juicier qualities. 

The downside with a conical burr grinder is that it tends to be much easier for the smaller coffee particles to over-extract, which leads to bitter flavors.

For professional purposes, flat burr grinders are easy to work with if you want consistency and great flavor.

Q: What is stepless grind adjustment and how does it work in the EK43S?

A: The Mahlkonig EK43S gives you an easy interface to find precise fineness settings quickly. But as a stepless grinder, you’re free to move the adjustment dial in any increment you like.

Let’s compare the stepless adjustment system to a stepped system for better insight. A stepped grinder would have a certain number of notches that the dial would fall into when you’re choosing a fineness setting. 

Though it’s easy to move from one end of the fineness range to the other with a stepped grinder, you can’t get those in-between settings. If your perfect grind rests between the preset notches, you’ll have an almost-but-not-quite accurate grind setting for the coffee, which can affect the outcome.

The EK43S removes these preset notches and can be adjusted to any fineness to help you dial in the grind for each unique coffee type. With the numbered dial, it’s much easier to recall your settings when switching back and forth, making the EK43S particularly easy to work with.

Q: How does burr size affect the coffee?

A: Many good coffee shops opt for large burr grinders not just because they grind quickly, but also because they can help to maintain cool grinding. This is important for preserving the flavor of the coffee.

It works like this. There’s more cutting area on a large burr than on a small burr, which means that the large burr makes fewer rotations to grind the coffee. This limits motor running time and minimizes heat built up by the friction between the burrs.

Too much heat from a grinder is damaging to the coffee. It will start baking the coffee and producing bitter, overly roasted flavors. In short, it becomes an inferior product before you have the chance to brew it.

The extra-large burrs in the EK43S are part of the engineering that makes this Mahlkonig model a super cool grinder. It’s so good at temperature control that you can grind back-to-back bags and batches and it won’t overheat, which is one big reason it’s the grinder of choice for many high-volume shops.

Product Resources

EK43S Full Specification Sheet


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Customer Reviews

Based on 3 reviews
Chris Cha

Mahlkonig EK43S Espresso & Filter Coffee Grinder

charles griffin

very good service !!!!

Amazing Customer Service

Incredible customer service. Easy to work with and price matched quickly when I found a lower price. Thank you.

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Customer Reviews

Based on 3 reviews
Chris Cha

Mahlkonig EK43S Espresso & Filter Coffee Grinder

charles griffin

very good service !!!!

Amazing Customer Service

Incredible customer service. Easy to work with and price matched quickly when I found a lower price. Thank you.