For lifting 20Tons with 4 pcs
single-post lifters,each capacity is 5T,and 7.5T.
The truck lifted by 4pcs indepentent post lift,
Lift weight capacity is 5Tons for each post lift.
Each post lift can be moveable by handle.
With safety bracket                                          
for 20Tons will need 4pcs single post moveable lifts.    
lifting height 1500mm
working voltage 380V
Dimension 1120X1100X2600 mm
Net weight of each post lift:580kg