JD450C – Loss of pushing power under load

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jamespalm
MC crawler
MC crawler
Posts: 1
Joined: Tue Mar 24, 2026 2:21 am

JD450C – Loss of pushing power under load

Post by jamespalm » Thu Mar 26, 2026 3:34 am

Hi,

I’ve been running a JD450C lately and noticed that under load the machine seems to lose pushing power. It doesn’t stall or rev up like a slipping clutch, it just stops moving forward while the engine keeps running at the same RPM.

In lower gears it feels a bit better, but in higher range it becomes more noticeable, especially when pushing dirt or snow.

Still going through a few checks.

andyvt
430 crawler
430 crawler
Posts: 61
Joined: Sun Jul 10, 2022 1:34 pm

Re: JD450C – Loss of pushing power under load

Post by andyvt » Fri Mar 27, 2026 6:09 am

I had a similar issue with my 450c and was able to fix it by adjusting engine clutch free play

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