Liberty Lift Setting a Pumpjack (pump unit) in Cotulla, Texas 4/9/14. Liberty Lift uses a Manitex 5096S built by CraneWorks a leader in Boom Truck oil field applications. For more information on Liberty Lift visit www.libertylift.com For more information on CraneWorks or to see a demonstration of all of CraneWorks oil field related equipment visit www.crane-works.com