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175D fuel economy
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Eldon (WA) View Drop Down
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Joined: 11 Sep 2009
Location: Spokane, WA
Points: 7765 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Eldon (WA) Quote  Post ReplyReply Direct Link To This Post Topic: 175D fuel economy
    Posted: 14 Jun 2017 at 11:39pm
I bought a 175 diesel 5 or 6 years ago that had a new Perkins 4.248 engine in it. I always thought this engine took 8 quarts of oil, but it read high on the dipstick. Last year I started only putting 7 quarts in which read "full". I noticed the fuel economy went up, so I am thinking it may have been too full and maybe the crank was churning the oil? Does this sound possible? Also, the oil gage someone added shows 80 psi oil pressure at operating temp, which seems high. Anyway, I can't believe what this tractor does on fuel. Today I worked it pretty hard with the 8' Bush Hog in alfalfa on one job and steep hills on another and used less than 5 gallons of diesel in over 6 hours. Last week in lighter conditions I used 20 gallons in 24 hours of work. Thoughts?
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shameless dude View Drop Down
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Joined: 10 Apr 2017
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Points: 13607 		Post Options Post Options   Thanks (0) Thanks(0)   Quote shameless dude Quote  Post ReplyReply Direct Link To This Post Posted: 15 Jun 2017 at 3:31am
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Kurzy View Drop Down
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Joined: 02 Nov 2009
Location: WSS, Montana
Points: 808 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Kurzy Quote  Post ReplyReply Direct Link To This Post Posted: 15 Jun 2017 at 5:54am

Howdy Eldon,
This comes into play where I been putting in the amount of oil called for according to the book. Or do you put in the amount of oil which the stick reads? Both are different levels! I been watching this on cars, trucks, tractors and more. What the book says is always more oil then the stick says.

Kurzy
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Nathan (SD) View Drop Down
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Joined: 11 Sep 2009
Location: Day County SD
Points: 1284 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Nathan (SD) Quote  Post ReplyReply Direct Link To This Post Posted: 15 Jun 2017 at 7:51am
As far as the fuel use in general. Perkins engines were de-rated when used in the AC. Any other application in the machine world, the Perkins is a 75hp at 2500 rpm. So running it at 75% load should yield some excellent fuel economy on any diesel engine.
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ksbowman View Drop Down
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Joined: 19 Mar 2013
Location: Paola, Ks
Points: 228 		Post Options Post Options   Thanks (0) Thanks(0)   Quote ksbowman Quote  Post ReplyReply Direct Link To This Post Posted: 15 Jun 2017 at 8:46am
Eldon, My old 170d does great on fuel too. When mowing with a 15' batwing I only go thru 7 gallons or so in 7-8 hours of pasture mowing. Even my 180d does slightly more on fuel consumption maybe 10 gallons in 7-8 hours.
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