Item Type: Electric Motor Gear Box <br>Material: ABS, alloy, copper <br>Purpose: Motor gear box for children's cars <br>Working Voltage: 12V <br>Colour: White <br>Motor Speed: 5600RPM <br>Hole Diameter: Approx. 11mm / 0.4in <br>Total Length x Width: Approx. 140 x 80mm / 5.5 x 3.1in <br>Motor Diameter: Approx. 28mm / 1.1in <br>How to Use: <br>1. Easy to install, pay attention to the lubrication of the gear box to prolong the service life. <br>2. After the gear box is installed, it should be flexibly rotated manually without jamming, and the contact spots on the tooth surface should meet the requirements of technical conditions. <br>3. According to the requirements of the manual, add the specified oil to reach the oil mark scale, and run it without load before formal use. At this time, the gear box can be driven by the motor. After inspection, the gear box runs smoothly, without shock vibration and abnormal noise, and is lubricated. Only when the condition is good and the sealing and joint surfaces do not leakage oil can it be put into trial operation together with the unit.<br>1、Middle metal gear, and the motor is thickened copper wire, so coexist power and speed <br>2、Gears are more wear?resistant and can be used for a long time, stable when working <br>3、The product support easy installation, strong interchangeability, very practical and convenient <br>4、Using ABS and alloy material, possess impact resistance, suitable for motor gear box of children's cars <br>5、Working voltage is 12V, motor speed for 5600RPM, come with high working efficiency1 x Electric Motor Gear Box