LESU 120MM Retractable Hydraulic Cylinder Pump Set for 1/14 RC Tamiye Dump Truck DIY Model Car 1509A. Working Pressure: The maximum working pressure is 25kg / cm2, regulated is about 20kg / cm2. Deep well Pump Size: 602525.Suitable For: 1/14 RC Tamiye Dump Truck, DIY Model Car. ONLY 1PC 120MM Retractable Hydraulic Cylinder Pump Set. Special Note: Please make sure this item is what you want, if you can not confirm, please contact me, thank you! If your item got any problem, please contact with me, we will help to solve and, we are very familiar with this product. But we can help to avoid this, please contact.