drum roasters

Petroncini TT 5

the Petroncini TT 5 is a 1–5 kg gas drum drum roaster from Petroncini, built in Italy, with profile logging controls.

the spec

batch capacity
1–5 kg
heat source
gas drum
control
profile logging
made in
italy

the verdict

the TT 5 is built for sample roasting and small-batch specialty work where you need production-grade construction in a compact format. the 1 to 5 kg range handles everything from single-bag test roasts to small retail batches without the thermal instability you get from running a larger machine under capacity. cast iron flywheels and ferritic drum walls give you the same heat retention characteristics as the bigger Petroncini models, so profiles translate upward when you scale recipes to a 15 or 30 kg machine. the manual controls and profile logging let you document what you're doing without locking you into automated sequences. it's slower to operate than a fully automated roaster and requires more skill to drive consistently, but that's the point. this machine suits roasters who treat sample evaluation and small-batch development ascraft work rather than a procurement checkbox.

strengths

  • same cast iron and ferritic steel construction as larger Petroncini models, so thermal behavior scales predictably
  • 1 kg minimum batch size works for single-bag samples without underloading the drum
  • independent control over heat, airflow, and drum speed lets you shape conduction and convection balance
  • profile logging captures your manual adjustments for repeatability without forcing full automation

trade-offs

  • manual operation demands more attention and skill than automated alternatives in this size range
  • cast iron adds weight and cost compared to lighter sample roasters with similar batch capacity
  • 5 kg maximum limits throughput if you're trying to cover both sampling and small retail production on one machine

other drum roasters