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DSeries4 
Orange Level
Joined: 12 Sep 2009
Location: Ontario, Canada
Points: 7639
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 Topic: 175 "making" oil
Posted: 21 May 2022 at 9:34pm |
I checked the oil in the 175 today and it was over the full mark a fair bit. It does not get used very much. It does smell like diesel. I put a new mechanical lift pump on it when I restored it in 2015. I did put a rebuild lit in it about 3 years ago. Tractor runs beautifully, never had any problems with the CAV injection pump. I am thinking of putting on a new lift pump, but is there anything else that could be causing diesel to get into the oil?
Many thanks!
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'49 G, '54 WD45, '55 CA, '56 WD45D, '57 WD45, '58 D14, '59 D14, '60 D14, '63 D15D, '66 D15II, '66 D21II, '67 D17IV, '67 D17IVD, '67 190XTD, '73 620, '76 185, '77 175, '84 8030, '85 6080
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Tom59
Bronze Level
Joined: 27 Feb 2021
Location: Lebanon Tenness
Points: 161
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Posted: 21 May 2022 at 10:19pm |
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I bet the seal out on the front of the injection pump where it bolts on at the front of the engine. I had a MF275 tractor do same thing with a CAV injection pump and a pump rebuild solved the problem.
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nickia
Orange Level
Joined: 11 Sep 2009
Location: alden iowa
Points: 793
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Posted: 21 May 2022 at 10:20pm |
If that tractor has the perkens engine my brothers leaked fuel into the crankcase on the back side of the fuel pump
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Gary Burnett
Orange Level Access
Joined: 11 Sep 2009
Location: Virginia
Points: 3201
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Posted: 22 May 2022 at 6:04am |
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i'd be looking at the lift pump.
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sparky
Orange Level Access
Joined: 13 May 2011
Location: So. Indiana
Points: 1838
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Posted: 22 May 2022 at 1:21pm |
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Yep a complete pump rebuild and injectors also. Just did my 175 a few months ago. Another reason to pull the dipstick every time before use.
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It's the color tractor my grandpa had!
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KJCHRIS
Orange Level
Joined: 21 Dec 2015
Location: WC Iowa
Points: 1006
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Posted: 22 May 2022 at 7:51pm |
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2 places I can think of: lift pump or injection pump shaft seal.
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AC 200, CAH, AC185D bareback, AC 180D bareback, D17 III, WF. D17 Blackbar grill, NF. D15 SFW. Case 1175 CAH, Bobcat 543B,
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