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What are some differences between the ATV61 and ATV71
ATV61 and ATV71
All models and serial numbers
The ATV61s are designed for variable torque applications such as fans and pumps. The torque requirement is less at lower speeds.
The ATV71s are designed for constant torque application such as positive displacement pumps, mixers, conveyors, hoisting application, ect... The torque for these application are the same at the lower speeds and the higher speeds.