Here at Fiilex we made some Marionettes of some Aerial Lifts and Cranes! The two uploaded here are a forklift with a rotational fork, as well as a hanging crane. They can be controlled using Sliders in the OIP, and tend to focus more on conserving file size than extreme real time accuracy. The marionettes are systems of symbols placed at relative insertion points and slider inputs.
If you would like to use the object elsewhere, note that it will import many of the resources in the folder.
Despite having rotation around the x/y axis, you can use these as hybrid objects, and the file size remains as under 20 mb each.
We have other 6 other JLG lifts and boomlifts available as hybrid symbols that have been created and tested (will be uploaded in coming months), and 6 or 7 more that do not have hybrid capabilities. All follow the same ethos of conserving size, and will be under 20 mb. Contact us at firstname.lastname@example.org if you have any questions, and let us know if there are any issues!