Ergonomic XZ Series hydraulic floor-level lifts from Presto Lifts Inc. can handle loads of up to 6,000 pounds. They’re useful in all of the usual lift-table applications (assembly, maintenance ...
Meanwhile, check out the load test in the video below as the muscles lift and lower 5 kg (11 lbs) each. A search of Hackaday shows hydraulic artificial muscles may be rare, so perhaps this will be ...