drum roasters

Probatone 25

the Probatone 25 is a 5–25 kg gas drum drum roaster from Probat, built in Germany, with profile logging controls.

the spec

batch capacity
5–25 kg
heat source
gas drum
control
profile logging
made in
germany

the verdict

the Probatone 25 maxes out the line at 25 kg batches with a 5 kg minimum, targeting established roasteries doing 400 to 1000 kg weekly or growing past smaller equipment. this capacity lets you handle wholesale accounts and distribution without running triple shifts. the gas heating and profile logging match the smaller Probatone models, maintaining the fixed-airflow design philosophy across the range. at this size you're committing to Probat's approach: heavy construction, constant air movement, and gas-driven profile control. the 25 kg batch size provides efficiency for larger runs while the 5 kg minimum still allows origin sampling, though you'd likely use a separate sample roaster in a production setting this scale. expect premium pricing that reflects german manufacturing standards and brand positioning. the machine suits roasters who've outgrown 12 to 15 kg equipment and need more throughput without jumping to 50 or 70 kg production roasters. longevity and resale value justify the cost if you're planning years in the same location. consider whether you need the airflow flexibility of other brands or prefer Probat's traditional fixed-fan simplicity.

strengths

  • 25 kg capacity provides production efficiency for growing wholesale operations
  • profile logging maintains consistency across larger batch volumes
  • probat build quality and longevity for long-term operation
  • 5 kg minimum still allows flexibility for sampling and smaller runs

trade-offs

  • constant airflow limits independent control of convective heat transfer
  • premium price point compared to other 25 kg machines
  • 25 kg ceiling may feel limiting if you continue scaling production
  • requires commitment to fixed-fan roasting technique and workflow

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