Warranty: 2 year parts - Lifetime on workmanship

155lb. Drum

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 In all machine sizes, Primo roasters use specially designed paddle mechanisms to move the coffee in the drum efficiently, creating an even roast throughout the beans. Our variable rotation speed allows different batch sizes to be roasted on the same machine. Our drum, airflow, and paddles keep the beans movement consistent inside the drum.  Our precise hot airflow roast the beans with as little drum contact as possible. Primo roaster’s features create a steady bean pattern and an unvarying, quality roast.


The high processing quality of the Primo PRI series is partly thanks to its premium design. The machines roast and cool simultaneously, with individual exhaust for cooling and roasting air. We use automated gas control with infrared ceramic burner technology for ease of use and consistent batch quality control. Our two stage temperature controller with automatic thermal control comes standard on all Primo roasters.


The PRI-135 roaster can roast batch sizes between 75-155 pounds and has a roasting capacity of 405 lbs per hour. The PRI-135 is specially developed for solid production roasters. With an output of up to 405 lbs per hour, this roaster is perfect for roasting, testing, and mastering speciality coffee.

  • Specially designed paddles keep mixing consistent

  • Automated two-stage temperature controller 

  • Variable drum speed control for different batch sizes

  • Roast & cool simultaneously with dual motors

  • Independent drum airflow motor to allow consistent roast/airflow and prevent airflow disruption from cooling

  • Independent cooling motor to allow efficient cooling without disrupting drum airflow

  • Includes independent cyclone for max chaff collection

  • Accessible chaff bin for ease of emptying

  • Hinged sidewalls to make cleaning easy & simple

  • Digital temperature and time display to make roasting simple

  • 100% designed & manufactured in the U.S.A.




  • Two-stage digital 

    temperature controller

  • Chaff cyclone


  • Brushed stainless steel face plates

  • ir burner

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