6V no load speed: 6rpm 10 rpm 18 rpm 23 rpm 30 rpm 40 rpm 90 rpm 150 rpm
12V no load speed: 6rpm 10 rpm 18 rpm 23 rpm 30 rpm 40 rpm 90 rpm 150 rpm
24V no load speed: 6rpm 10 rpm 18 rpm 23 rpm 30 rpm 40 rpm 90 rpm 150 rpm
Note: Pls leave message of Voltage and no load speed which you want, we have to 12V 6rpm according to storage if did not get your message within 6 hours after your payment. Thanks for your understanding!