Mazzer · Flat burrMajor V Electronic
Mazzer's flagship commercial flat-burr grinder: 83mm burrs, a 650W motor, and stepless adjustment built to keep a busy bar moving all day. Not a home single-dose grinder — this is a cafe workhorse that happens to fit on a big counter.
The short version
This is the grinder you put behind a counter doing real volume, not the one you put next to a home Silvia unless you have the space and the throughput to justify it.
Retention and static are much improved over the old Major/Major E, but you are still buying a doser-oriented, always-on cafe tool, not a fussy single-dose precision instrument.
Why people buy it
- Massive 83mm flat burrs and a 650W motor grind fast enough to keep a line moving without heat buildup
- Grind Flow Control (GFC) system meaningfully cuts static clumping and mess versus older Mazzer Majors
Why they don’t
- Retention is still real for a flat 83mm chamber — expect to purge between quiet periods to avoid stale grounds
The full tally
- Massive 83mm flat burrs and a 650W motor grind fast enough to keep a line moving without heat buildup
- Grind Flow Control (GFC) system meaningfully cuts static clumping and mess versus older Mazzer Majors
- Stepless micrometrical collar holds its zero point through burr cleaning, so recalibration after maintenance is painless
- Three programmable timed doses plus IoT stats (total/partial dose counters, burr-wear alerts) suit multi-barista shops
- Retention is still real for a flat 83mm chamber — expect to purge between quiet periods to avoid stale grounds
- Sized and priced for cafe volume, not home single-dosing; the portafilter fork and doser workflow are commercial-first
- Home Barista owners note Mazzer's tolerances prioritize durability over the fussy precision single-dose home users chase
What the community knows
Years of owner threads, distilled — a niche favourite.
Excellent commercial-grade build and motor reliability, but $3000 CAD asks home buyers to inherit a cafe-optimized workflow—high retention for single-dosing, doser-first ergonomics, and less burr-dialing precision than newer purpose-built home flat-burrs (Niche, Monolith, Ceado…
Built to last
years before you outgrow or replace it
Reliability
shows up every morning, year after year
Parts & serviceability
parts and repairs — you are never stranded
All 9 community measures
price-to-performance the community respects
shows up every morning, year after year
parts and repairs — you are never stranded
mods, guides, and community know-how around it
kind to first-timers
years before you outgrow or replace it
how far the cup can go, per dollar
speed and simplicity, day to day
Worth knowing before you buy — Most home owners comparing specs realize too late they're buying a cafe workhorse optimized for throughput, not the precision grinder a $3000 home investment narrative promises.
Known weak points — Soft-touch button wear noted for commercial use (minor); burr alignment historically a concern on older Mazzers, V generation improved but residual skepticism in legacy threads.
The measurements
Scored 0–5 on the same rubric as everything on file — the words matter more than the numbers.
The measurements
0–5, one rubric- Espresso
- reference4.5
- Versatility
- single-purpose1.5
- Built to last
- heirloom5
Position in the market
Every dot is a rival, measured the same way. The gold one is this.
- Upper half for espresso suitability
- a higher ceiling than 112 of the 154 grinders we’ve measured
- You pay for this one
- 29% of grinders this capable cost more
- Top quarter for build
- sturdier than 89% of the field, by the community’s own record
Every dot is a grinder measured on the same rubric. See the whole market
Living with it
The part spec sheets skip: counter space, upkeep, and what owners learn later.
The honest note — Owners stepping up from a Super Jolly or entry commercial grinder land here for volume; those chasing tighter single-dose precision or less retention at home often look sideways to a Ceado E37S/E37T or a Mythos-class grinder instead, while shops needing even higher throughput move up to the Major VP or Mazzer Robur.
The full spec sheet
- Class
- Midrange
- Burrs
- 83mm flat
- Drive
- Electric
- Adjustment
- Stepped (micro)
- Clarity lean
- Balanced
- Espresso suitability
- 4.5/5
- Brew versatility
- 1.5/5
- Retention
- ~6.5 g
- Single dosing
- No
- Hopper
- 1600 g
- Maintenance
- 3/5
- Noise
- 3/5
- Build longevity
- 5/5
- Dimensions
- 21.6 × 47.6 × 67.9 cm
Before it arrives
What completes this grinder — the faded pieces can wait.
Hover any piece for its why.
- Grinder cleaning kit — Brushes and grinder tablets keep retention and stale grounds in check.
Feed it right
Week one is dial-in — and stale beans will lose it.
Coffee more than a few weeks past roast won’t extract predictably, and a new grinder gets blamed for it. A balanced burr set: rotate origins freely — it will keep up.
Pick your coffee — any of these dials in beautifully here:
Wild Ember - Ethiopian Buno Dambi UddoSCA 92Medium roast · Odo Shakiso, Guji Zone, Oromia · NaturalBlueberry · MarmaladeSteady and repeatable — right for this setup’s lane.CA$26.83 · roasted to order
Etherea - Ethiopian YirgacheffeSCA 88Medium roast · NaturalJasmine · BergamotSteady and repeatable — right for this setup’s lane.CA$24.16 · roasted to order
Sergio - Brazillian Fazenda Joia Rara Aerobic FermentedSCA 88Medium-light · Cerrado Mineiro · Aerobic FermentedHoney · OrangeSteady and repeatable — right for this setup’s lane.CA$29.18 · roasted to orderWhole bean, dated, ready for your burrs the week it lands.
Roasted to order, daily, in Ajax, Ontario · ships Canada-wide. We’re the roastery behind this database — measuring the machines is how we make sure the coffee gets a fair shot.
On film
How it runs on camera, from around the community.
Common questions
Is the Mazzer Major V good for home use?
It can work at home if you have counter space and grind serious daily volume, but it is designed and priced as a commercial cafe grinder, not a home single-dose tool.
How much retention does the Major V have?
Independent testing found it retains around 6.5 grams between grinding sessions, so periodic purging matters in slow periods.
What burr size does the Major V use?
It uses 83mm flat steel burrs spinning at 1400 RPM (50Hz) or 1600 RPM (60Hz).
Worth comparing

Kafatek
Monolith Flat (Titan SDRM)
A Seattle-machined single-dose flat burr grinder built around 75-80mm in-house Shuriken burrs. This is the boutique end-game grinder people save up for and then stop shopping.
US$2,650

Mahlkönig
EK43S
The shop-counter version of coffee's most influential bulk grinder: same 98mm flat burrs and 1300W motor as the full EK43, just shorter so it fits under a cabinet. Built for cafes grinding retail bags and pour-over by the pound, and adopted by plenty of home fanatics who don't mind the footprint.
CA$3,390–5,350 · US$3,899–5,350
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