Wow, that's big! And a mere 1,100 lbs!
"From top of the piston to the bottom of the connection rod that is one and one half [1 1/2] meters. "
It looks like the piston on the photo above is about 10" in diameter.
https://www.pinterest.com/pin/a-big-...9628502868161/
And there it is, though missing the (piston) rings:
Notice that the big-end bolts are on the top. That is how they could take it apart without dropping the pan.