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:
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 order
Eden Gesha - Colombian MiramarSCA 87Medium-light · Kennedy, San Agustin, Huila · WashedCherry blossom · Tropical fruitSteady and repeatable — right for this setup’s lane.CA$26.24 · roasted to orderWhole bean coffee, with the roast date on each bag.
Prefer regular deliveries? RoastPlan is RoastAroma’s coffee subscription. Choose your coffees and their available options, then set deliveries every 1–6 weeks.
One-time RoastAroma orders are roasted to order in Ajax, Ontario and ship 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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