The SEW Eurodrive R147R77DRE90M4 is a compound gearmotor from the R series, featuring a primary stage ratio of 3 and a secondary stage ratio of 3. This unit is designed for applications requiring precise speed reduction and torque multiplication, commonly found in material handling systems, processing equipment, and automated manufacturing lines where robust and reliable power transmission is essential.

Technical details

• Gear Unit Series: R Series
• Primary Stage Gear Ratio: 3:1
• Secondary Stage Gear Ratio: 3:1
• Motor Type Designation: DRE90M4
• Motor Frame Size: 90
• Motor Pole Count: 4-pole (indicating a nominal speed of 1500 RPM at 60Hz or 1250 RPM at 50Hz, before gearing)
• Compound Gearmotor Configuration: DRS/DRE
• Total Gear Ratio: 9:1 (3 x 3)

Applications & compatibility

This SEW Eurodrive compound gearmotor is suitable for a wide range of industrial applications including conveyor systems, packaging machinery, automated storage and retrieval systems (AS/RS), and general machine tool drives. Its robust construction and specific gear ratios make it ideal for applications demanding consistent torque output and controlled rotational speeds.

Available from Industrial Automation Co as new, refurbished, or surplus stock, backed by a 2-year warranty with same-day shipping on in-stock items. Request a quote for the SEW Eurodrive R147R77DRE90M4 or contact our technical team for cross-reference assistance with compatible R series gearmotor components.