RS390 12v 16000 rpm Car Motor Gearbox For Children Electric Car Toys Accessories ProductThis is a great electric motor gear box used for childrens cars. The middle gear is made of metal which is more sturdy and durable. It will make quite low noise and more durable. It will be an excellent replacement part for your broken or old ones.The voltage is 12V and the speed is 16000RPM.Name Electric motor gearboxTotal length Approx. 16.5 cm6.5 inchesHole diameter 1 cm0.39 inchTorque Motor gearboxColor blackMaterial plasticPackage contents1Electric motor gearboxOnly the above package contents, other products are not included.How to distinguish the engine model1. Generally, the model will be written on the motor, for example 6V390 will be written RS3906VDC.2. If the writing is worn, you can judge the model based on the following data 390 Motor length is 4.6 cm, diameter 2.75 cm, gear box length 16.5 cm, aperture 1 cmNotePlease allow 23cm difference due to manual measurement.As different computers display colors differently, the color of the actual item may vary slightly from the images below, thanks for your understanding1 inch2.54cmAbout Shipping All items will be shipped within 3 business days after payment is received. Most of the time, you will receive them within 812 days. The specific delivery time depends on the circumstances. Any questions, please contact usDuring the shopping process, if you have any questions, please contact us, we will reply you within 24 hours, wish you a pleasant shoppingThank you for your cooperation and we will make you satisfied.About Shipping All items will be shipped within 3 business days after payment is received. Most of the time, you will receive them within 812 days. The specific delivery time depends on the circumstances. Any questions, please contact usDuring the shopping process, if you have any questions, please contact us, we will reply you within 24 hours, wish you a pleasant shoppingThank you for your cooperation and we will make you satisfied.