555 550 570 390 380 6V 12V 24V DC Motor for Children Electric Car, Kid's Ride on Car   engine

The speed faster and the torque smaller, In turn,The speed slower and the torque greater

Speed: 23000rpm>16000rpm>10000rpm

Torque:10000rpm>16000rpm>23000rpm

Torque and power: 570>550>390>380

Voltage: 6V /12V

Power: 570: 65W   550: 35-45W   390: 25-30W