Torque Multiplier Wrench for Large Vehicles
Model     QL -78D-A     Trans-speed ratio    1:78
Max torque output    >7500N.M    Socket      32,33mm
Weight    9.5KG/Sets    Ctn size*3    41.5*34*23.5cm 
https://www.aliotql.com/wrench/labor-saving-wrench/torque-multiplier-wrench-for-large-vehicles.html