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Case Tractors Discussion Forum
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Case 646 tractor

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Gtranch

01-19-2015 15:54:31




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I recently bought a Case 646 tractor and noticed the hydraulic fluid is low. What type of fluid should I use on this tractor?

Thanks,

Gordy
This post was edited by Gtranch at 15:55:29 01/19/15.




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Dave Beiter

01-22-2015 08:48:19




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 Re: Case 646 tractor in reply to Gtranch, 01-19-2015 15:54:31  
Hey that is my 644!!! Before I owned it.. Lemme guess this pic came from Dan White???

Dave



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Ande

01-21-2015 05:17:57




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 Re: Case 646 tractor in reply to Gtranch, 01-19-2015 15:54:31  
Gordy, I have a 6018, and just went through a 1000.00 worth of steering hand pump (hyd.) issues, I drained out Rotella, and going to put in 20W50 motor oil. The owners manual I think recommends 20W40 motor oil on the 6018



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Ande

01-20-2015 11:29:52




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 Re: Case 646 tractor in reply to Gtranch, 01-19-2015 15:54:31  
Gordy, I have a 6018, and just went through a 1000.00 worth of steering hand pump (hyd.) issues, I drained out Rotella, and going to put in 20W50 motor oil. The owners manual I think recommends 20W40 motor oil on the 6018



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JimEvans

01-19-2015 18:20:56




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 Re: Case 646 tractor in reply to Gtranch, 01-19-2015 15:54:31  
Drain it out and replace with Rotella or Delo 15-40 engine oil.



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Gtranch

01-19-2015 20:38:27




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 Re: Case 646 tractor in reply to JimEvans, 01-19-2015 18:20:56  
Are you talking about the hydraulic system or engine?



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CHinNY

01-20-2015 04:07:07




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 Re: Case 646 tractor in reply to Gtranch, 01-19-2015 20:38:27  
Hydraulic



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01gentdc

01-20-2015 04:29:18




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 Re: Case 646 tractor in reply to CHinNY, 01-20-2015 04:07:07  
along with what was stated,,,everysmall 30 series that I ever got had the same problem that you should watch for ,, migrating hydro oil into the tranny ,, caused by bad seals on 3pt ram under seat ,,fluid leaks rite into trany,,



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Case Nutty 1660

01-20-2015 05:04:19




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 Re: Case 646 tractor in reply to 01gentdc, 01-20-2015 04:29:18  
third party image

this is a totally different tractor than the "30" series,, they are a all hyd drive "Compact" tractor or as some call them "garden tractors",, this model had a factory installed built in industrial loader, this is the 14hp 644 the 16.5 hp 646's little brother

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