JD450C low range on HLR intermittent

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NDPhack
MC crawler
MC crawler
Posts: 1
Joined: Tue Jun 28, 2022 3:57 pm

JD450C low range on HLR intermittent

Post by NDPhack » Tue Jun 28, 2022 4:31 pm

I have a great 1979 450C that has an intermittent low range on the HLR . Most times there is nothing when I shift to Low, but occasionally I get a surprise and the Low engages normally, until the next time, and then nothing.
Is there a spool valve or something that I can service that may be sticking?
I haven't checked any oil pressure yet as everything else seems to be bang on. Just the Low is not responding most of the time.
Ideas????

B Town
350 crawler
350 crawler
Posts: 752
Joined: Fri Dec 11, 2015 7:04 pm
Location: Western Iowa

Re: JD450C low range on HLR intermittent

Post by B Town » Tue Jun 28, 2022 4:58 pm

Consider checking the linkage adjustment. Follow the H/L/R lever down to the battery box and along the transmission. There are adjustable joints there.

Ken Wells
40C crawler
40C crawler
Posts: 19
Joined: Fri Aug 26, 2022 9:38 am
Location: North Alabama

Re: JD450C low range on HLR intermittent

Post by Ken Wells » Sat Sep 17, 2022 12:40 pm

ND Phack,
Did you get your low gear problem fixed? If so, what was the problem? My crawler is acting up in low gear.
Thanks! :mrgreen:
JD450C

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