Oil & Fuel oil change, oil filter change, but what about fuel filter?

   / oil change, oil filter change, but what about fuel filter? #11  
My Mr Funnel will go as fast as my little pump can put out. Any additives you use must be put in after or before using the funnel as they may not make it thru.
 
   / oil change, oil filter change, but what about fuel filter? #12  
Hmmm........ I wonder------ I always put Power Service in my fuel. I wonder if that could have caused a slow flow-thru rate with the Mr Funnel.
 
   / oil change, oil filter change, but what about fuel filter? #13  
My fuel is filtered thru an inline filter from the 12V Filrite pump but I think I was getting some trash in the nozzle as it hung from the pump so I had to change the fuel filters on my Kubota B26 and RTV900 @ 450 hours. I now hang a rag over the end of the nozzle to keep dirt daubers and other debris out of the nozzle so I expect to get more hours than that in the future.
No need to change filter unless you can see visible dirt and/or water in the bowl. Even after 450 hours, I had no water just trash stopping up the filter on the B26. I changed the RTV at the same time just to be on the safe side but didn't find anything in it's filter.

So if you buy clean fuel, keep it clean, and water free then a fuel filter will last hundreds of hours. The B26 started missing and stalling at times which made me change the filter so until you get to that point, I wouldn't worry about the fuel filters that much.
 
   / oil change, oil filter change, but what about fuel filter? #14  
If I ever go to a fuel transfer system - so I don't have to hold a full 5 gallon jerry can up in the air - then I may go back to using Mr Funnel.
Just put a filter on the pump.
 
   / oil change, oil filter change, but what about fuel filter? #15  
Back to oil, you'll be OK with a multi viscosity (e.g. 10W40) that covers the owners-manual viscosity for your annual temp range. You need an oil that will flow at the coldest temps when you first start the engine; that's when most of the wear occurs. Synthetic oils tend to flow better at low temps and and also adhere to metal better when the engine isn't running. With Diesels, however, you can't extend oil change intervals unless you do oil analysis to ensure the oil isn't over-saturated with soot. One of the main functions of Diesel oil is to suspend soot and remove it when you change the oil. Gasoline-rated oils (Sx API rating) actually lubricate better but they don't hold suspended soot as well; so be sure the oil is Cx (or Cx plus Sx) rated.
 
   / oil change, oil filter change, but what about fuel filter?
  • Thread Starter
#16  
Back to oil, you'll be OK with a multi viscosity (e.g. 10W40) that covers the owners-manual viscosity for your annual temp range. You need an oil that will flow at the coldest temps when you first start the engine; that's when most of the wear occurs. Synthetic oils tend to flow better at low temps and and also adhere to metal better when the engine isn't running. With Diesels, however, you can't extend oil change intervals unless you do oil analysis to ensure the oil isn't over-saturated with soot. One of the main functions of Diesel oil is to suspend soot and remove it when you change the oil. Gasoline-rated oils (Sx API rating) actually lubricate better but they don't hold suspended soot as well; so be sure the oil is Cx (or Cx plus Sx) rated.

You note that I can't extend oil change due to the soot issue. Which leads me to the question, what is meant by extended? Should seasons or hours be the dictate? For example should I change the oil spring and fall or can I go a year if the hours are within the limits (200 hours)? I don't have the equipment to analyze soot content.
 
   / oil change, oil filter change, but what about fuel filter? #17  
I change the fuel filters on two diesel tractors at least once per year. I also run Lucas fuel treatment year round. On the three cylinder machine I gained back over 100 rpm.
 
   / oil change, oil filter change, but what about fuel filter? #18  
Extended means more hours or miles than stated in the owners' manual.

Those book numbers are conservative because soot production/accumulation varies a LOT with engine condition and use patterns. But oil and filters are cheap so why chance it? By the way really large Diesel engines with really large oil sumps and have special filter systems to remove soot so they can use the oil until the lubricating properties and additives start to go bad.

I live in North Carolina in the US where we rarely have extreme low temperatures and I don't use the tractor if it's that cold. So I use the same oil (usually Mobile 1 Turbo Diesel) year around and change every 100 hours, regardless of season. But if want to start and use your tractor at -40 degrees you want a really low viscosity oil (0W), a block heater, or (preferably) both.
 
   / oil change, oil filter change, but what about fuel filter?
  • Thread Starter
#19  
I change the fuel filters on two diesel tractors at least once per year. I also run Lucas fuel treatment year round. On the three cylinder machine I gained back over 100 rpm.

The fuel treatment idea was mentioned by my local garage owner as a popular item. I haven't tried it as yet. I have heard\read a few people who claim they saw a positive difference. I'm told it will keep injectors from building up as well. I'm leaning towards changing oil once per year unless I happen to put more hours on than I am know.
 
   / oil change, oil filter change, but what about fuel filter?
  • Thread Starter
#20  
Extended means more hours or miles than stated in the owners' manual.

Those book numbers are conservative because soot production/accumulation varies a LOT with engine condition and use patterns. But oil and filters are cheap so why chance it? By the way really large Diesel engines with really large oil sumps and have special filter systems to remove soot so they can use the oil until the lubricating properties and additives start to go bad.

I live in North Carolina in the US where we rarely have extreme low temperatures and I don't use the tractor if it's that cold. So I use the same oil (usually Mobile 1 Turbo Diesel) year around and change every 100 hours, regardless of season. But if want to start and use your tractor at -40 degrees you want a really low viscosity oil (0W), a block heater, or (preferably) both.

My book calls for change every 200 hundred hours but as I mentioned because of the major change in temperature in a calendar year I am worried about water. I am blessed in that the tractor starts really well. In fact pretty much the whole machine works well. I had to change the ignition a year after I bought it due to moisture getting in the ignition and freezing ( happened before I bought it but it became my problem). I had to replace 4 small hoses on the bucket, and I took the dash apart to clean up the connections for my dash lights and that's about it. I will do some touch up painting on it this year and re-torque the bolts (some guys on here have warned about that).
 

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