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njohnston77's latest activity
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N
njohnston77
replied to the thread
Loud whistling sound when firing up new MX4900
.
I just tried increasing the rpm with the machine parked and still heard that noise and it did get a bit more high pitched. As soon as I...
Jan 5, 2026
N
njohnston77
reacted to
JimmyJazz's post
in the thread
Loud whistling sound when firing up new MX4900
with
Like
.
I certainly hear it and find it annoying. I don't know if it represents an issue that needs resolving. I always wear hearing protection...
Jan 4, 2026
N
njohnston77
reacted to
GrumpyFarmer's post
in the thread
Loud whistling sound when firing up new MX4900
with
Like
.
Good day. I am not a Kubota mechanic…nam a weekend warrior and pretend to be a farmer when I am not working for the man…so take this...
Jan 4, 2026
N
njohnston77
reacted to
McMXi's post
in the thread
Loud whistling sound when firing up new MX4900
with
Like
.
I can hear the sound and it's kind of metallic and could be something vibrating at the right (specific) frequency. You mentioned that...
Jan 4, 2026
N
njohnston77
replied to the thread
Loud whistling sound when firing up new MX4900
.
https://youtube.com/shorts/6Hu6bPkiH7I?feature=share
Jan 4, 2026
N
njohnston77
replied to the thread
Loud whistling sound when firing up new MX4900
.
I do not have a trailer yet so I have no way of getting it to the dealer currently. I spoke with them on the phone and they mentioned it...
Jan 4, 2026
N
njohnston77
posted the thread
Loud whistling sound when firing up new MX4900
in
Service, Repair & Maintenance
.
Hello, I bought a new MX4900 HST in May 2025 and have less than 14 hours on it. Back in October I noticed every time I start it there...
Jan 4, 2026
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