German PROBAT Roasters: Probatone and Probatino Explained

If you’ve ever wondered how your favorite specialty coffee roaster achieves such consistent, high-quality roasts batch after batch, the answer often lies in the equipment—specifically, the roaster. For over a century, one name has consistently appeared behind the scenes of top-tier coffee production worldwide: PROBAT.

In short, PROBAT is a German company that’s been making commercial and specialty coffee roasting equipment since 1868. Their compact Probatino model handles 1.2kg batches, while the Probatone series roasts between 5kg and 12kg. Both are known for even heat distribution and export-focused durability.

The Origins of PROBAT: From Railway Innovation to Global Roaster Supplier

It all started in 1864 in Emmerich, Germany. Alexius van Gulpen, a pioneer coffee green bean merchant, saw an opportunity: to deliver freshly roasted coffee to retailers beyond his local area. But there was a major hurdle—there weren’t any high-capacity coffee roasters available. That need led him to team up with local engineer Theodor von Gimborn. After four years of development, they launched the first high-capacity coffee roaster in 1868. This marked the birth of the Emmericher Maschinenfabrik & Eisengießerei van Gulpen, Lensing & von Gimborn—the company that would become PROBAT.

By 1880, PROBAT was selling over 600 roasters per year. By 1900, that number had soared to 50,000 units. The 100,000th machine was sold in 1938, and the company officially adopted the name PROBAT-Werke. Eighty percent of those sales were exports, with machines shipped to more than 60 countries.

What Makes PROBAT Roasters Different? Design, Heat, and Consistency

PROBAT roasters, including the Probatino and Probatone models, are engineered for consistency and efficiency. The Probatino model, for example, is a small-batch roaster with a capacity of just 1.2kg. The Probatone series comes in three sizes: 5kg, 12kg, and other configurations. These machines use a unique drum rotation system that turns the coffee beans in all directions—front to back, left to right—ensuring constant agitation for even heat application.

The heat itself is a carefully balanced mix: 30% comes from direct conduction and radiation, while 70% is delivered via hot air. The drums are wrapped in insulating material to retain heat, which not only improves energy efficiency but also helps achieve uniform roast profiles across batches. This design minimizes common roasting defects and makes it easier for roasters—especially those in labs or small-scale setups—to reproduce results.

Beyond the core roasting machines, PROBAT also offers a range of optional equipment, including lab test devices, green coffee grading tools, and dust-handling combustion systems. These add-ons support quality control and workflow integration, which is why major coffee companies like LAVAZZA and UCC rely on PROBAT equipment.

PROBAT’s Full Range: More Than Just Small and Mid-Size Roasters

While the Probatino and Probatone are well-known, especially in specialty circles, PROBAT manufactures a wide spectrum of roasting equipment for different scales and purposes:

• PROBAT SATURN Series: Centrifugal roasters with capacities from 32kg to 640kg per batch.
• PROBAT JUPITER Series: Tangential (cutting-edge airflow) roasters ranging from 50kg to 750kg.
• PROBAT NEPTUNE Series: Traditional drum roasters with batch sizes between 80kg and 640kg.
• PROBAT COLOMBO NOVA Series: Drum roasters offering 120kg to 500kg capacities.
• PROBAT BASIC Series: General-purpose drum roasters with 150kg to 450kg capabilities.
• Specialty Coffee Roasters: Compact units for 1kg to 50kg batches, ideal for single-origin and experimental roasting.

All models above 5kg can be connected to computer systems to record roast profiles or enable automated roasting control, giving roasters precise command over variables like time, temperature, and airflow.

Frequently Asked Questions

What is the smallest PROBAT coffee roaster available?

The smallest is the Probatino, with a batch capacity of 1.2kg. It’s designed for small-batch or lab-style roasting where precision and sample roasting are priorities.

What are the sizes of the Probatone series?

The Probatone series includes models that roast 5kg, 12kg, and other mid-range batch sizes. These are popular among specialty roasters and small commercial operations.

How does a PROBAT roaster ensure even roasting?

PROBAT roasters use a multi-directional drum rotation system (front-to-back and left-to-right) and a proprietary blade design to keep beans in constant motion. Additionally, 70% of the heat comes from hot air, with 30% from conduction and radiation, ensuring uniform heat application.

Can PROBAT roasters be connected to computers?

Yes, all PROBAT roasters over 5kg can be connected to computer systems to monitor and control roast profiles, log data, and automate the roasting process for consistency.

What other equipment does PROBAT manufacture besides coffee roasters?

PROBAT also makes equipment for processing cocoa, malt, and nuts, as well as optional accessories like lab testing tools, green coffee grading systems, and dust-control combustion units.

Which well-known coffee companies use PROBAT roasters?

Major coffee brands like LAVAZZA and UCC use PROBAT roasting equipment, which is also exported to over 60 countries and accounts for 80% of PROBAT’s historical sales.

Recommended FrontStreet Coffee for Home Roasting Enthusiasts

For those inspired by PROBAT’s precision, FrontStreet Coffee offers single-origin beans ideal for experimenting with small-batch roasting profiles. Try the FrontStreet Yirgacheffe, known for its bright citrus and floral notes; the FrontStreet Ethiopia Humbera, with juicy blueberry and stone fruit; or the FrontStreet PWN Golden Mandheling, offering heavy body and spicy sweetness. These beans highlight the impact of roast consistency—something PROBAT has mastered. Freshly roasted within 5 days · Orders placed before 17:00 ship the same day · Next-day delivery across most of Guangdong Province.