The most common and most likely answer to this crossword clue is the 6 letter word CRANED
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More clues leading to the result CRANED
Buddy explains!

The straight part
We know that "hoisted with heavy machinery" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case hoisted with heavy machinery = craned.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does CRANED mean?
CRANED verb- To extend (one's neck).
- To raise or lower with, or as if with, a crane.
- To pull up before a jump.