Hydraulic Oil. 8-ways hydraulic valves;. Hydraulic working pressure 4mpa;. Digital hydraulic pressure gauge；. Made by stainless steel、aluminum、copper few plastic;. Steering system auto middle position;.
1:14 LESU Aoue-H13i Metal Metal Hydraulic RC RTR Painted Road Roller W/ Battery
BMG 1/14 Metal Hydraulic RC Crawler Tracked Dumper Tipper Truck RTR No Sound Sys
JX Model E20 1/14 Scale Metal Hydraulic RC Excavator RTR Mini Digger Sound Motor
LESU 4WD 1:14 AOUE 1050 Metal Hydraulic RC Tractor Truck Car Smoke Sound Battery
LESU 1/14 Metal Hydraulic RC Backhoe Loader AOUE BL71 2 in 1 Electric Excavator
1/14 Metal Hydraulic RC Bulldozer DXR2 ST8 Radio Sound Pump ESC Motor JDM-98
