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20 kilo Mill City Roaster - 2021 Model - Used





Under List Price for a 2021 Model!

This is a beautiful 20 kilo Mill City MCR-20 roaster in excellent condition with under 1 year of use! This listing includes Mill City's "off-board" RoastPATH digital roast playback/machine control, an external chaff collector, and Mill City's standard duct kit and 20' of cooler exhaust ducting as seen by the pictures.

Guys, this one's in amazing shape! Perfect running condition!

And it's ready to ship RIGHT NOW!

Original owner purchased new in 2021 and has now moved on to another machine. No longer needing this roaster in his business plan allowing it for your consideration.


No fires. It has been constantly serviced and cleaned since in use.

Propane fueled, 220v power. Fuel easily convertible to NG if required.

IMPORTANT NOTE: The Clean Stream afterburner and connecting ducting shown in the pictures DOES NOT come with this listing. Only the 20’ of cooler exhaust ducting running to the ceiling.


CONTACT SALES DIRECT @ 650-569-0170 to discuss getting this to your roastery!

All roasters are sold as-is. Crating and Shipping not included in the listed price.


CONDITION: Excellent
LAST USED: July 2022
LAST SERVICE: Cleaned and serviced when used
HEAT: Propane
POWER:  Single Phase, 220-230V, 20A, 50-60Hz
PROBES: BT, ET, Incoming Air, PID. Integrated data port
ROASTER DIMENSIONS 86.98 in x 45.82 in x 82.56 in - Weight 1102 lbs. + Cooling Fan - 95 lbs.
CHAFF COLL. DIMENSIONS 30.7 in x 64.25 in, 154 lbs.
INCLUDED EQUIPMENT: Chaff Collector, Connecting & Standard MC Exhaust Kit, 20' cooler exhaust ducting
BATCH SIZE: 3.2 kg - 24 kg
PRODUCTION: 133 lbs./hr, 1058 lbs./day

Mill City roasters are known for the following features:

Total Control
Setting an entirely new standard in precision roast control: variable drum and fan speed, digital drum pressure display and digital fan and drum pressure readout via RoastPATH data logging connection.

Heavy Duty Build
Industrial quality, solid plate and all certified food grade stainless steel construction. Highest quality possible CSA/UL certified motors, switches, relays, and contactors.

Double Walled Drums
Heaviest construction in the industry for greater stability and control, Superior aggressive specialty coffee roast profile performance without heat defect. Provides more uniform heat distribution, greater consistency, even roasting and better control.

USB Data Logging
State of the art integrated USB connection via MODBUS for real time roast data and logging of fan speed, drum pressure, bean temperature, environmental temperature, and drum temperature for more accurate pre-heat temperature control.

Gas Burners
Mill City designed, CSA certified low loss gas trains with high output, high efficiency burner sets with full range modulation of either natural and LP gas.


About Mill City

Mill City Roasters builds great commercial coffee roasters, but we’ve always been about much more than machinery.

Since 2013, Mill City Roasters has helped launch over 2500 commercial roasteries providing commercially focused education and training from our SCA Certified Campus, CSA, and UL compliant industrial quality coffee roasters uniquely optimized for the production of specialty coffee, and the best tech and after-sale support in the entire industry to help our owners keep their roasters running and their businesses growing year after year.

Through our free Roaster School series on YouTube, we’ve coached the entire world to better coffee. Our Mill City Roasters channel boasts over 15000 subscribers and has accumulated over 8 million minutes of viewership worldwide.

On the mechanical side of things, we offer some of the heaviest constructed, most powerful, most capable, and most flexible roasting systems ever built. We know we’re supposed to make a big deal about building the “Perfect Roaster”, but we and our customer's value performance over hyperbole. We design for reliability, ease of use, ease of maintenance, and ease of repair. You’ll find our machines in some of the best roasteries in the world, but we’re almost more proud as such a young company to have been chosen as the exclusive sponsor of the US Roasting Championship for the 3rd year in a row providing both sample and production roasters for the live roasting events.

We’re passionate about roast and coffee quality and we think that better coffee creates more demand for better coffee. We’re in this with you and we’re growing the industry together by remaining as committed to your success as we are our own.