While you can use a front loader for stacking and loading, the Telehandler was engineered and built to perform that task efficiently and well, so when money is no object the object of your loading kit should be a Telehandler!
The base game includes the following Telehandlers and Attachments:
There you go - the right tool for the right job and a selection of attachments to make the best use of the L 436-7 (Note that the LM 4.72 uses the other line of attachments).
The following were added to the base game as paid DLC...