Powering Your Industry with Precision: Introducing FLENDER SIP – Simplifying Efficiency, Elevating Performance.


  • Planetary gear unit with high power density which can be installed horizontally or vertically
  • Nominal torque range from TKN = 10,000 Nm to 80,000 Nm with 8 sizes
  • Nominal transition range from i = 25 to 15,000

We provide you with a range of dependable, fatigue-resistant, and precisely spaced gear unit options with FLENDER SIP® planetary gear units. The series guarantees that quality and performance have a reasonable relationship to life cycle costs and pricing, and it contains the highly integrated planetary gear motor in addition to maximum compliance with all international motor standards.

There are eight frame sizes, six gearbox ratios and five output shaft types available in the FLENDER SIP series of gear units. A variety of alternatives are available to guarantee that the gear units can be placed in any application, including flanged shafts, hollow shafts with shrink discs or splines, and cylindrical shafts with parallel keys or splines. Up to 53 steps are available in a very precisely spaced spectrum of gearbox ratios with coaxial and 90° FLENDER SIP gear units. The accessory program offers all the connecting adapters required for standard motors, including servomotor and IEC/NEMA motor connections.

Additionally, a design for temperatures as low as -40 °C, taconite seals, temperature control, explosion protection, and a variety of mounting choices ensure maximum availability and fail-safe operation even in challenging environmental circumstances.

Reliability and flexibility are now products thanks to FLENDER SIP. Take advantage of the unique FLENDER SIP attributes in the premier league to achieve the desired efficiency.

Your quick advantages

Maximum power output and optimal dependability
Best performance and high efficiencies
Transmission ratios that are finely spaced and have up to 53 steps
The motor’s compliance with all international motor and interface standards allows for maximum freedom in the selection process.
For a simple connection to the work machine, there are five output shaft types.
either as an integrated drive system or as a single gear unit

Made in Germany, worldwide in use

  • Mining and Cement: apron conveyors, bunker dischargers, scratchers
  • Steel Production: pilger rolling mills and reversing rolling mills
  • Food and Beverage: mixers
  • Other fields of application: chain conveyors

Did you know?

The combination of the FLENDER SIP with the SIMOGEAR geared motors results in an incredibly wide selection of product variants. This means that almost any drive task can be solved ideally.

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