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Old farmall plowboy New User
Joined: 06 Mar 2013 Posts: 4
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Posted: Wed Mar 06, 2013 2:24 pm Post subject: M hydraulic pump oil change |
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I am working on a 1946 M farmall it sat in the shed for 10 years changed all oil and filters it runs like a top. My question is I want to change the hydraulic pump oil in the belly. What kind of oil how much and where is the drain plug and oil level plug, Any info would be helpfull. |
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Zachary Hoyt Tractor Guru
Joined: 07 Aug 2008 Posts: 4794
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Posted: Wed Mar 06, 2013 3:07 pm Post subject: Re: M hydraulic pump oil change |
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There is a drain on the bottom of the pump unit(this is assuming that you have the belly pump). There was once and may still be a dipstick inside the fill cap, which is on top. I know an H takes 6 quarts, not sure about the M. Hy-tran is what I used, it is a safe bet, or SAE 30 non-detergent if you want to be authentic.
Zach |
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Old farmall plowboy New User
Joined: 06 Mar 2013 Posts: 4
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Posted: Wed Mar 06, 2013 3:28 pm Post subject: Re: M hydraulic pump oil change |
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Thanks for the information it is a belly pump. Dave |
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Ellis Kinney Long Time User
Joined: 09 Apr 2011 Posts: 1352
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Posted: Wed Mar 06, 2013 4:35 pm Post subject: Re: M hydraulic pump oil change |
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I would definitely use 30 wt non detergent oil. My M will whine and not lift well with hi-tran but does perfectly with 30 wt. Ellis |
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47M Regular
Joined: 28 Aug 2007 Posts: 82
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Posted: Wed Mar 06, 2013 6:28 pm Post subject: Re: M hydraulic pump oil change |
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I would only use 30 wt if you're sure any implements you connect to your belly pump won't be used on any other tractors that use Hy-Tran. You don't want your 30 wt oil mixing with the Hy-Tran on the other tractors.
My M uses 6 qts in the belly pump. I use Hy-Tran and it works fine for me. |
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