- Typical capacity
- This unit is specified at 100kg per batch. For this class of equipment, batch sizes commonly range from 60kg to 120kg.
- Power supply
- Units of this vintage and type typically operate on a diesel-fired heating system, with electrical components for motors commonly requiring 3-phase power (e.g., 400V, 50Hz in many regions).
- Heating method
- Vintage roasters like this Whitmee unit commonly utilise direct flame or hot air generated from a diesel burner.
- Associated equipment
- For a complete roasting process, units of this size typically include a cyclone for chaff separation and a destoner to remove foreign objects from green beans.
- Footprint
- A 100kg roaster, including its associated cyclone and destoner, typically requires a significant industrial footprint, often several square metres, with adequate ventilation.
- Construction materials
- Roasters of this era are commonly constructed from robust cast iron and heavy-gauge steel, ensuring durability and heat retention.