Suitable for: DIY dump truck heavy truck hydraulic excavator, university experimental teaching demonstration Pressure 0-4mpa. Test flow rate of 0.7L with a 7.4V 2S battery (pressure around 4MPA) Test flow rate of 0.9L with a 11.1V 3S battery (pressure 4.5MPA5MPA).The brushless gear pump uses a brushless motor and cannot be connected directly to the battery, otherwise the motor burns out. Brushless motors must be started with a brushless ESC (We recommend using Hobbywing 40A two-way brushless ESC). The item "Mini Brushless Hydraulic Oil Pump for Rc Excavator, TAMIYA Trailer & 1/14 models" is in sale since Saturday, May 18, 2019. This item is in the category "Toys & Hobbies\Radio Control & Control Line\RC Model Vehicle Parts & Accs\Other RC Parts & Accs". The seller is "the_gadget_stall" and is located in Guandong. This item can be shipped worldwide.