VB-3 Model:YSJ3.6 Lifting weight:3.6M/Ts Lifting speed:35s Motor Power:380V 50Hz 2.2KW Width between posts:3370mm Lifting range:100-1930mm Overall height:3914mm Actuating medium:20#wear-resisting oil Net weight:720kg Gross weight:820kg Feature:Dual hydraulic cylinders;heavy duty leaf chain;electric/hydraulic operation;simple operation and control; automatic arm restrains;low profile hard rubber lift pads;12 month warranty this moderl has CE Certificate and export to EU The branch hoist YSJ3.6 no base frame, two cylinder driving equipment. It used Italian pump, two column fix on the surface direct. The roof of it use cross beam to fix. There is nylon slider on the carriage. It will make move smoothly and lower noise. And have electrical limit insurance. Hydraulic safety valve, stand column lock insurance, running load arm lock insurance. Operate easy and safe. VB-4 Model:QJY235 Model Specs QJY230 Lifting capacity 3 Tons Ascending time ≤60s Descending time 18s≤T≤50s Electric Motor AC380V/AC220V 50HZ 2.2KW Lift range 1700mm Actuating medium YA-N32(For cold area,use YC-N32) Net Weight(N.W) 700KG