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Author Topic: Oil viscosity in skidder  (Read 929 times)

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Offline OH logger

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Oil viscosity in skidder
« on: November 13, 2022, 11:36:46 AM »
So Iíve  got a 548 Deere skidder and Iíve always ran 15w40 in it. Iíve always had a drum of it on hand but I noticed lately most all my newer equipment calls for 10w30. So Iím considering switch em to all 10w30. I put about 350 hours a year on the skidder which means I only change the oil once in the spring. My skidder book shows 15w40 being good for      5-122 degrees and 10w30 being good for -13-104 degrees. I work down to about zero or a little below. Basically Iím way more likely to work colder than 5 degrees than I am to be workin above 104 degrees. That could/should help with cold starts in the winter but Iím a little concerned about protection and oil consumption in the hotter summer months.   Iím thinkin schaffers oil cause I donít use but a half a drum a year prolly. Then I can for sure get by and only change oil
Once a year in most of my machines. Any thoughts?
john

Offline barbender

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Re: Oil viscosity in skidder
« Reply #1 on: November 13, 2022, 11:58:39 AM »
I was running a Pknsse forwarder that had about 15k hours on it when Ponsse changed from a 5w40 synthetic to 5w30 synthetic in the newer engines. I feared that my older machine would have excessive oil consumption with the 5w30. However, nothing changed. Still didn't use any oil. 

 My stuff I run 5w40 Rotella synthetic in most everything, if I had to switch to their 10w30 I wouldn't stress it.
Too many irons in the fire

Offline ehp

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Re: Oil viscosity in skidder
« Reply #2 on: November 14, 2022, 06:28:30 AM »
I run 5W -40 in the winter and 15W-40 in the summer , machines start so much better in the winter with the thinner oil as I normally got to work in the minus 35C or a bit colder , when I was further up north cut off was 40f below 0 , I use to use shell T6 but cause its getting hard to get I switched to amsoil and it seems ok, been about 2 years now using it . The shell oil is a lot cheaper to buy 

Offline OH logger

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Re: Oil viscosity in skidder
« Reply #3 on: November 14, 2022, 09:15:04 PM »
Thanks for the replies. Just always seems to me like 15w40 is more of an HD oil for larger diesel
Engines but I guess a good 10w30 schaffers oil made for diesels should be fine. Not sure why Iím concerned. My Dad has always put 15w40 in EVERYTHING. From tractors to
Trucks to mowers. I mean everything 🤦🏽‍♂️  His equipment lasts longer than most it seems like too. 

Offline timbco68

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Re: Oil viscosity in skidder
« Reply #4 on: November 15, 2022, 08:37:12 AM »
We used to run straight 10w in the detroits and deeres in the winter and never had any problems. I run semi syn  10- 30w rotella in my 648 and timbco but I think I will switch to 5 - 30 . I believe more damage is done on a motor with stiff oil than light oil in our part of the country at least.

Offline OH logger

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Re: Oil viscosity in skidder
« Reply #5 on: November 15, 2022, 07:34:32 PM »
Timbco68 do you run semi synthetic 10w30 all year round right now in your 648 and timbco? And if so how hot does it get where your at in the summer? 90 degrees ever? Cause I believe the schaffers oil guy said the 10w30 he had in mind for
Me was semi sythetic too
john

Offline timbco68

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Re: Oil viscosity in skidder
« Reply #6 on: November 15, 2022, 11:12:10 PM »
I have been using 10- 30w semi syn  in the summer lately also but will still use conventional 15 - 40  also. It gets in the mid 90's some in the summer here. I don't have a fear of syn 10- 30 being too thin for summer but I will put regular old 15 - 40 in for the summer just to save a dollar or two. My dad knew a detroit diesel mechanic that had a customer run straight grade 10w year round in a 353. He claimed the motor lasted a long time but that seems a bit extreme if you ask me .

Offline timbco68

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Re: Oil viscosity in skidder
« Reply #7 on: November 15, 2022, 11:19:10 PM »
I run about 150 hrs to an oil change in the summer and 200 in the winter. I'm not concerned about the oil breaking down as much as   I am about the dust the motor is breathing in  and accumulating in the oil. I run the semi synthetic mostly for winter flow issues.

Offline Peter Drouin

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Re: Oil viscosity in skidder
« Reply #8 on: November 16, 2022, 06:14:48 AM »
What do you guys do with all the old oil?
A&P saw Mill LLC.
45' of Wood Mizer, cutting since 1987.
License NH softwood grader.

Offline OH logger

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Re: Oil viscosity in skidder
« Reply #9 on: November 16, 2022, 06:15:46 AM »
Iíve never even heard of 10 weight oil. Is that real
Thin I assume?
john

Offline OH logger

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Re: Oil viscosity in skidder
« Reply #10 on: November 16, 2022, 06:16:59 AM »
I put my old oil in the IBC totes I think theyíre called and my mechanic takes all he can get from me and whoever else he can and thatís how he heats his shops

Offline customsawyer

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Re: Oil viscosity in skidder
« Reply #11 on: November 16, 2022, 06:29:59 AM »
I collect mine in one of those 250 gallon tanks, I think OH logger has the name right. When it is full I call a guy that comes around and pumps it out. We don't need it for any shop heat in this part of the world so it gets recycled. I put engine and hyd. oil in the tank.
Two LT70s, Nyle L200 kiln, 4 head planer, 30" double surface planer, Lucas dedicated slabber, Slabmizer, and enough rolling stock and chainsaws to keep it all running.
www.thecustomsawyer.com

Offline Loony661

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Re: Oil viscosity in skidder
« Reply #12 on: November 19, 2022, 08:00:17 AM »
Hello, I run synthetic Amsoil 15w40 in my Timberjack 230A that has a Cummins 4BT. Schaefferís Oil is good too. I wouldnít over think the 10w30 or 15w40 decision. I just make sure to let my skidder idle a while and warm up good before I start working it.
Timberjack 230A
MS 661 w/MaxFlow 25Ē
MS 462 w/25Ē
MS 460 w/MaxFlow, BGD, Timing Advance, Dual Port Muf 25Ē
MS 441 25Ē
025 Muf Mod 16Ē


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