L4240HSTC engine oil capacity?

   / L4240HSTC engine oil capacity? #2  
Manual says 8.7 quarts with filter for 3940/4240/4740
 
   / L4240HSTC engine oil capacity?
  • Thread Starter
#3  
Manual says 8.7 quarts with filter for 3940/4240/4740

I added 2 gallons expecting to top it off with more and it was over full.
I removed 16-18 ozs so Im guessing this one is 7.5 qts.
Its a unmolested low hour unit.
Can anyone confirm the amount needed to actually fill your L40 series?

Edit: light came on in my head. This mule belonged to an elderly gentleman and he only used it with a 3pt finish mower. Oil looked pretty dirty. I suspect its s got some sludge build up, OR I just didnt have it hot enough which could account for the discrepancy. I will change the oil again before winter and pay close attention to it.
 
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   / L4240HSTC engine oil capacity? #4  
If it’s 4wd and the shaft goes in the middle of the oil pan like the M7040, there a 2 drain plugs on the oil pan. That might be where the oil difference is. First time I serviced the M7040 I drained the first plug and and cleaned the mud off the oil pan and found the second plug. I went and got the book just to make sure cause that was the first 4wd tractor I had ever serviced in 20 years. I also noticed if I do it by the manual, it doesn’t put it on the full mark, it puts it in between add and full.
 
   / L4240HSTC engine oil capacity?
  • Thread Starter
#5  
If it’s 4wd and the shaft goes in the middle of the oil pan like the M7040, there a 2 drain plugs on the oil pan. That might be where the oil difference is. First time I serviced the M7040 I drained the first plug and and cleaned the mud off the oil pan and found the second plug. I went and got the book just to make sure cause that was the first 4wd tractor I had ever serviced in 20 years. I also noticed if I do it by the manual, it doesn’t put it on the full mark, it puts it in between add and full.

Yep, pulled both drain plugs. This is my third 4 wheel drive tractor so Im familiar with the two sump oil pans. Im baffled, guess I won’t know until next time I change the oil, unless a 40 series owner chimes in.
 
   / L4240HSTC engine oil capacity? #6  
Ill try to remember to check tonight how much my L3940 takes. Usually i write it in my log. I just bought oil and filters for a change.
 
   / L4240HSTC engine oil capacity? #7  
L4240 Manual states 8.7 quarts with filter change.

After filling it with oil, did you start it, so the filter could fill?
 
   / L4240HSTC engine oil capacity?
  • Thread Starter
#8  
Of course I ran it after changing the oil and filter. Then checked for leaks & shut it down and checked oil level.
 
   / L4240HSTC engine oil capacity? #9  
My notes say i used 7 qts last change for my L3940. I probably topped with a little more, so 7.5 probably about right. Ill know soon, need to change mine.
 
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   / L4240HSTC engine oil capacity? #10  
I just changed mine last week, it is a L4240HST (no C). I drained both reservoirs and changed the filter. I put in just shy of 2 gallons to make full. I have 1025 hrs on the tractor which was bought new in '07 or '08.

Mike
 

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