The most common and most likely answer to this crossword clue is the 6 letter word GHARRY
I've seen this crossword clue in Financial Times
G
H
A
R
R
Y
Buddy explains!

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 GHARRY mean?
GHARRY noun- A wheeled cart or carriage (usually horsedrawn), used especially in Myanmar.
- A jeep or small truck for conveying troops.