Medium batch coffee roaster for flexible production
For coffee roasters seeking precision and flexibility, this medium batch coffee roaster offers customizable control and adaptability, supporting diverse roasting profiles from single-origin to specialty blends.

Roasts and Cools Coffee with Precision Control
The G45 from PROBAT is an industrial coffee roaster designed to deliver flexibility and precise control for a variety of coffee roasting applications. Featuring a classic retro design reminiscent of the UG series, the G45 combines elegance with enhanced functionality. It uses a drum roasting method to provide consistent and reproducible results, ideal for producing espresso beans, flavored and specialty coffee blends. Capable of handling batch sizes ranging from 20 to 55 kilograms, this machine addresses the needs of coffee roasting businesses, ensuring versatility with its infinitely variable burner and traditional “aroma wheel” for targeted airflow. Available with options for propane, natural gas, or hydrogen heating, the G45 accommodates up to 100-150 kg/h throughput. It supports manual, semi-, or fully automatic operations with possibilities for recipe management and process data collection. Durable construction allows for integration with existing systems, and PROBAT offers a retrofit kit for transitioning to alternative energy sources. Designed with user-centered innovation, the G45 enhances operational efficiency while maintaining high standards of coffee quality.
Benefits
- Ensures consistent coffee quality with precise temperature monitoring and control.
- Provides flexibility to adjust roast profiles for a diverse range of coffee types.
- Reduces operational risk with pneumatically controlled processes for reliability.
- Accommodates sustainability goals with hydrogen-powered options.
- Simplifies integration and scalability with configurable control systems.
- Applications
- Coffee roasting,Coffee
- End products
- Single-origin coffee,Decaf coffee,Artisan roasted coffee,Specialty coffee blends,Espresso beans,Flavored coffee,Ground coffee,Cold brew coffee beans,Whole bean coffee
- Steps before
- Green coffee bean selection,Weighing,Loading beans into container
- Steps after
- Cooling,Degassing,Packaging,Quality control
- Input ingredients
- coffee beans
- Output ingredients
- roasted coffee
- Market info
- Probat is renowned for its expertise in manufacturing coffee processing equipment, particularly coffee roasters. The company has a strong reputation for engineering solutions in industrial coffee roasting, blending, and grinding technology.
- Roasting time
- 10-20 min
- Roasting capacity
- 100 - 150 kg/h
- Batch size
- 20 - 55 kg
- Heating
- propane,natural gas,hydrogen
- Space requirement
- 20 - 26 m²
- Recommended room height
- 3.5 m
- Automation level
- Manual / Semi-automatic / Fully automatic
- Batch vs. continuous operation
- Batch
- Energy efficiency
- Hydrogen-powered option
- Cleaning method
- Manual / CIP
- Roasting time
- 10-20 min
- Density/particle size
- 0.5–2.5 g/cm³ / 50–1000 µm
- Machine Footprint
- 20 - 26 m²
- Batch Size
- 20 - 55 kg
- Roasting Time
- 10-20 min
- Roasting Capacity
- 100 - 150 kg/h
- Space Requirement
- 20 - 26 m²
- Recommended Room Height
- 3.5 m
- Heating Method
- Propane,Natural Gas,Hydrogen
- Design Style
- Classic Retro (UG Series)
- Control panel type
- Manual / Semi-automatic / Touch panel
- Heating type
- Propane / Natural gas / Hydrogen
- Design customization
- Classic retro design / Customizable design parts
- Batch size flexibility
- 20–55 kg
- Thermocouples
- Standard for temperature control
- Pneumatic controls
- Opening flaps on bean container,roasting drum,cooling sieve outlet
- Drum volume
- Flexible drum volume
- Roasting control
- Manual / Semi-automatic / Fully automatic
- Data collection and recipe management
- Automatic reproduction of settings
- Airflow control
- Traditional "aroma wheel"