bongo1

Active Member
What are peoples thoughts on mixing different branded oils , but of the same spec ie 80/90 gl4 .
 
No worries, can even mix different grades/spec within reason, but bear in mind then the whole lot of oil will then be at the lower spec/grade.
There is an old saying that goes, any oil is better than no oil, and it is spot on.
 
I know what i have where now , But next top up maybe not ! knowing me . i did not have enough of the same brand to fill the transfer box , So ive had to use another brand .
But if same spec can be mixed that's great
 
all 80/90 GL4 , i will check for any other spec differences . Thanks for the help everyone .
 
My old tractor has every kind of oil you can think of in the crankcase, never had an issue ;)

so long as it is the same grade then there shouldn't be an issue
 

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