
Gearboxes with IEC standard connection
- Gear Type
Worm gear, planetary gear, spur gear, SpeeroX gear
- Mounting flange
IEC Standard Flange
- Nominal torques
2 – 288 Nm
- Shaft output
Right-Angle, Coaxial
- Shaft types
Hollow Shaft, Solid Shaft
- Electric motors
IEC-standard motors
- Motor frame size
IEC 56 – 112
Experience our versatile industrial gearboxes
Flexibility in drive technology – Gearboxes with IEC standard connection
Our high-quality gearboxes with IEC standard connections are perfectly tailored for combination with IEC standard motors. Benefit from precise manufacturing, flexible customization options, and reliable performance.
Our gearboxes with IEC standard flanges are the ideal solution for those who require a fast, precise, and standardized connection between motor and gearbox. The standardized flange connection allows easy combination of IEC standard motors from different manufacturers – providing maximum flexibility and efficiency in your applications.
Innovating Today, Shaping Tomorrow.
Gearboxes for IEC motors
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Together for your successful solution.
An overview of our IEC gearbox solutions
Gearboxes with motor flange

Worm Gearbox
Nominal torques
2 – 288 Nm
Ratios
i= 2.5 – 8000
Motor mounting
IEC 56 – 112

Planetary Gearbox
Nominal torques
7 – 92 Nm
Ratios
i= 24 – 512
Motor mounting
IEC 56 – 112

Helical gearboxes
Nominal torques
15 – 380 Nm
Ratios
i= 1.14 – 372.35
Motor mounting
IEC 56 – 112
Our IEC standard motors
Available from stock

IEC-standard motors
Power
0.12 – 4.00 kW
Sizes
IEC 56 – 112
Protection types
IP55
Designs
IMB3, IMB35, IMB5, IMB14, IMB34
Versions
IEC 56 – 112
Your benefits with our gearboxes for IEC standard motors
Easy and secure installation
The IEC standard flange enables a standardized connection, allowing the motor to be mounted in no time. This saves time and ensures a precise, vibration-free connection.
High flexibility and customization options
Thanks to the international standard, you can use motors from various manufacturers. This makes the planning, design, and maintenance of your machines significantly easier.
Wide range of power options for IEC gearboxes
Our gearboxes with IEC standard flanges are designed for motors up to 4 kW and are suitable for a wide range of industrial applications – from conveyor systems to robotics.
Why choose gearboxes with IEC standard flanges from Ruhrgetriebe?
High-quality craftsmanship "Made in Germany"
Our gearboxes are manufactured to the highest standards and are known for their precision, reliability, and durability.
Wide range of products
We offer a wide range of gearbox types with IEC flanges, including: worm gearboxes, planetary gearboxes, and spur gearboxes
Immediate availability
Thanks to our extensive stock, many of our gearboxes are available for immediate delivery – perfect for getting your machines up and running quickly.
Customizations
In addition to standard solutions, we offer you the opportunity to configure gearboxes according to your specific requirements.
Years of experience
Since 1953, we have been your reliable partner in drive technology, providing precise and innovative solutions.
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Standard gear motors for every production area
Ruhrgetriebe represents innovative gear motor solutions that are compact, versatile, and perfectly tailored to the demands of modern drive technology. As an experienced manufacturer, we develop drives that integrate seamlessly into any production process – precise, powerful, and reliable. Our gear motors deliver maximum flexibility and efficiency while focusing on standardized and future-proof solutions.
Our modular system for gear motors is flexibly tailored to the diverse requirements of your application areas.

Collaborative Power: Let’s realize your vision together.
Modular Gear Motors
Our worm gear motors impress with maximum flexibility: Thanks to the modular system, we tailor the drive solutions to your specific requirements. Choose from a wide range of motors (three-phase, DC, AC).
This way, you get the perfect combination – efficient, space-saving, and readily available.
- 17 Gearbox series
- 75 different variants
- Optionally available without motor
- Customizing: Nothing is impossible!