3D Printing Single Cylinder Diesel Internal Combustion Engine Tractor Model Toy

3D Printing Single Cylinder Diesel Internal Combustion Engine Tractor Model ToyIntroduction This is the engine of a hand held tractor printed by 3D printing technology It can be bought back as a gift and sent to a technical boyfriend It is very good If you have good hands on ability you can also DIY to make a whole tractor or trolley Because it is printed by a 3d printer there may be burrs or layers in some parts which are unavoidable Description Brand Name Small HammerItem Name Tractor Engine ModelWeight 300gSize 10 5 7 9 cmMain power high power 280 motorApplicable age 7 years old or olderPower 7 4v 18650 lithium battery pack size just fit in the water tank Throttle control Throttle size is achieved by pulling the throttle knob through the steering gearSimulation point 1 The appearance is quite like the tractor head 2 Must be shaken to reach a certain speed to start 3 There is a throttle 4 If the resistance is too high the speed will be lower than a certain value Note There is no battery in the delivery Battery suggest buy 18650 lithium battery SM plugPackage included 1 xTractor Engine Model1 x Manual