The most common and most likely answer to this crossword clue is the 9 plus 4 letter word HYDRAULIC JACK
H
Y
D
R
A
U
L
I
C
J
A
C
K
More clues leading to the result HYDRAULIC JACK
Buddy explains!
The straight part
We know that "that’ll help in raising" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case that’ll help in raising = hydraulic jack.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.