Mahlkönig EK43

What it does well

It is fast and durable. Mahlkönig quotes 19 to 21 g a second and a burr life of about 6,000 kg at a median setting. Prima Coffee pitches it for grinding pounds at a time in a roastery.

The range is wide. Mahlkönig lists espresso, filter, batch brew and retail bags, from Turkish fine to coarse filter, with an optional burr set for Turkish. Adjustment is stepless, so you can stop at any point on the dial.

Grind quality is its reputation. Mahlkönig claims "outstanding particle size spreads" and high extraction rates. A 2018 Home-Barista thread recalls a trend of baristas using EK43s for long, high-extraction shots of light roasts.

It has a long history in competition. An EK43 S owner on Home-Barista notes that Matt Perger used the grinder at the World Barista Championship. That legacy is why many recipes and cafés still reference it.

Where it falls short

Size comes first. Mahlkönig lists 82.8 cm tall, 41 cm deep and 26 kg net. A 2018 Home-Barista post described the EK43 as "enormous, loud, and a bit out of place aesthetically in the home."

Alignment can need attention. Prima Coffee offers shimming and sanding alignment services on new grinders for an extra fee. The 2018 thread notes that owners were aligning their EKs and fitting other burrs.

It can be messy. An owner of the shorter EK43 S calls the stock grinder "a mess machine" even with RDT. He fitted an aftermarket burr carrier and reports less spurting and less retention since.

Espresso can be touchy. The same owner found the stock burrs give "a very narrow range on the dial," where tiny moves change the cup a lot. He found a wider usable range after switching burrs.

Who should buy it, and who shouldn't

Buy it for a café, a roastery, or a home brew bar that grinds a lot of filter coffee. It also suits someone who wants the reference grinder many recipes assume.

Skip it if counter height is tight or you mostly single-dose espresso. A home single-dose grinder is built for that workflow and takes far less space. Expect to budget for alignment work or upgrades if you want the most from it.

How it compares

The EK43 S uses the same 98 mm burrs and motor in a shorter body with a smaller hopper. EK43 vs EK43 S shows how their dials line up.

The Kafatek Monolith Flat Max puts 98 mm burrs in a compact single-dose body. The 2018 Home-Barista thread introduced it for people who would consider an EK43 at home. Its buying guide covers who it suits.

The Weber EG-1 is a single-dose home grinder with 80 mm flat burrs, and Weber offers burr sets for espresso and filter. For smaller flat-burr options, try EK43 vs Niche Duo.

Owning it

Burrs last a long time at home volumes. Mahlkönig's 6,000 kg figure is far beyond most household use. Mahlkönig USA sells EK43 spare parts and OEM burrs, and lists a 1-year warranty on new units.

Plan for cleaning and possible alignment. The EK43 S owner on Home-Barista found a week of daily use left a visible mess, so see how to clean a burr grinder. If you swap burrs or align them, read up on burr alignment and follow how to replace grinder burrs.

Prima Coffee lists a one-year parts and labour warranty through Prima. After any burr work, calibrate the grinder and use the settings chart as your starting point.