Modular Parallel Shaft Gearheads and Gearmotors for Light Industrial and Commercial Applications. The Astero family of fractional powered Gearmotors and Controllers are built on Sumitomo's legacy of high quality, precision gearing and world-class designs. Engineered for light duty applications, the Astero is remarkably rugged in construction and incorporates parallel-shaft involute gearing for maximum efficiency and quiet operation.



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