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25 kg coffee roaster
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Hartanzah 25 Kg Gas Automatic Coffee Roasters


Ready to elevate your coffee roasting process? Look no further than the Luther 25 kg automatic coffee roaster – the ultimate champion in the world of coffee roasting. Unleash the full potential of your coffee beans with the Luther 25 kg automated coffee roaster. Meticulously crafted from top-quality steel, cast iron, and stainless steel materials, the Luther 25 guarantees a robust and heavy-duty build capable of handling the busiest of coffee roasting business.

With unparalleled thermal and mechanical stability, the Luther series roaster ensures a smooth and consistent roasting process, delivering top-notch results every time. Whether you're a seasoned roast master or a passionate coffee enthusiast, the Luther roaster stands out as the ideal choice for roasting high-quality specialty and commercial coffee that will leave your taste buds yearning for more.

Why settle for anything less than the best? Immerse yourself in the unparalleled performance and durability of the Luther 25 automated coffee roaster, and take your coffee roasting process to new heights.

coffee and cocoa roasters

Hartanzah Luther 25

25 kg automatic gas coffee roasters


The Luther 25 coffee roasters are robust and fully automated, featuring an industrial-grade, sturdy construction made of stainless steel plates. Designed for longevity, these machines are exceptionally quiet during operation.

Each unit is equipped with a built-in variable speed motor, providing the flexibility to adjust the speed and achieve a remarkably quiet roasting process. The inclusion of a thermal and mechanical stabilizer in every roaster ensures seamless and consistent production roasting with ease.

coffee roaster engineer


Each of our roasters starts with a detailed and thorough design process, Hartanzah's engineer design every roasters for maximal durability with low maintenance required, so that they will shine in your roastery and café.

Great effort is given in the designing stage, and we want to invite you into that process. If you have ideas or concepts you wish to try for your own roaster, we will help you to create the custom roaster you desire for your café and roastery.

25 kg coffee roaster panel


With HARTANZAH logic control panel makes Luther series very accurately automatic coffee roaster. Just select background roasting profile that you want to duplicate and Luther will roast your coffee bean according selected roasting profile.

There are two options to operate Luther, by selecting the roasting mode to automatic or manual mode.

coffee roaster fire prevention system


Luther 25 is equipped with a drum water suppression system designed to extinguish a fire inside the drum, a situation that often occurs due to coffee beans being roasted excessively hot without proper monitoring.

With this water suppression system, there is no need to worry; the fire can be easily extinguished by simply pressing a button.

coffee roaster cyclone fire prevention system


Equipped with an advanced water suppression system in the cyclone section, Luther 25 ensures your peace of mind. Say goodbye to worries about neglected coffee chaff or excessive heat leading to fires. With this cutting-edge water suppression system, extinguishing any potential fire is as easy as pressing a button. Elevate your roasting experience with Luther 25 – where safety meets innovation effortlessly!



Unleash precision in every roast with Luther 25, featuring an advanced Agtron color meter. This indispensable tool empowers operators to finely gauge the coffee's maturity level based on the post-roasting color of the beans.

Elevate your roasting expertise with Luther 25, where innovation meets the art of perfecting every batch!

25 kg coffee roaster cooling system


To cooling of the roasted coffee immidietly after coffee bean being roasted is a very important factor to maintaining the taste and flavor of roasted coffee.

HARTANZAH utilizes a powerful blowing motor under the cooling bin that can cool the beans in under three minutes. With unique agitator scrapper shape that able to mixed all the beans to cool uniformly.

15 kg coffee roaster burner


We equip our roasters with HARTANZAH burner technology, this technology makes you easy to control the heat input allowing for your desired preference.

This system combined with airflow controls makes it easier to control conduction, convection and radiation during the roasting process.

 hartanzah 15 kg coffee roasters

Luther 25 Dimension.

Luther 25 commercial non-small batch coffee roasters. Designed to elevate your roasting experience, this next step up from a small batch roaster is perfect for teams looking to roast coffee at scale and achieve unparalleled quality and consistency.

With its compact dimensions, the Luther 25 is the perfect choice for businesses that demand high-volume roasting without compromising on quality. Meticulously crafted using the finest materials, this roaster is built to withstand the rigors of commercial use, ensuring that it delivers exceptional results day in and day out.

25 kg coffee roaster dimension
Luther 25 Dimension
 hartanzah coffee roaster cyclone



Discover a new level of roasting versatility with Luther 25's dual roasting modes – Automatic Roasting and Manual Roasting. Effortlessly transition between precise automation and hands-on control to customize each batch to perfection. Whether you enjoy the craftsmanship of manual roasting or the efficiency of automation, Luther 25 empowers you to make the choice. Enhance your roasting skills with a machine that adjusts to your expertise – Luther 25, where innovation aligns with your roasting preferences.

Transform the way you roast with Luther 25, the coffee roaster featuring an Automatic Cyclone for effortless chaff removal. This innovation not only guarantees precise roasting but also streamlines the cleanup. Embrace the simplicity of chaff removal as Luther 25 makes roasting a smooth and efficient experience. Step up your roasting game with innovation and convenience – Luther 25, setting a new standard for excellence in every roast.

Take charge of your roasting masterpiece using the 10-inch Touch Screen (HMI) Control Panel designed for the coffee roaster. Enhance your control experience as you effortlessly navigate through precise settings. Utilize the power of touch for a smooth journey toward perfection in every roast. The intuitive and innovative control panel puts the art of roasting right at your fingertips.

Embark on a roasting revolution with Luther 25, your pathway to precision and finesse. Meticulously designed for perfection, this extraordinary machine features a built-in Soft Start and Stop function, guaranteeing a smooth and gentle roasting process. Immerse yourself in the art of roasting with a touch of sophistication, where each batch becomes a masterpiece. Luther 25 is the intersection of innovation and a gentle touch, delivering unparalleled excellence in roasting.

Raise your roasting standards with Luther 25 – the intersection of safety and innovation. Our outstanding machine goes beyond achieving perfect roasts; it prioritizes protection. With a built-in safety unit shutdown, Luther 25 ensures the safeguarding of your roasting process by protecting the drum shaft. Roast with confidence, trusting that your craft is in the care of a roaster crafted for both excellence and security. Luther 25 is reshaping the art of secure and impeccable roasting.

Discover unparalleled safety and accuracy with Luther 25 – your reliable roasting partner. With a built-in flame failure alarm, this exceptional machine places a high priority on providing you peace of mind. Roast confidently, recognizing that Luther 25 is more than just a roaster; it serves as a guardian of perfection.

Unlock the mastery of roasting using Luther 25, your pathway to perfection. Enhance your skills with precision, as our machine features a built-in Agtron color meter. Discover the genuine beauty of your beans, achieving uniformity and unlocking a range of flavors. Luther 25 is the intersection of innovation and the essence of a flawless roast.

Enhance your roasting journey with Luther 25, a showcase of innovation. Enjoy assurance with our machine equipped with a built-in Gas Low Pressure Indicator, guaranteeing smooth performance and providing the confidence to craft exceptional roasts consistently.

Unlock precision in your roasting process with Luther 25, featuring a cutting-edge advantage – a built-in adjustable electronic drum speeds controller. Take command of your roast and achieve perfection with every batch. Elevate your coffee roasting experience to new heights!.

Experience the unparalleled durability and exceptional quality of Luther 25, crafted with precision using premium cast iron. Elevate your roasting journey with a machine that embodies excellence in every detail.

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