OIL

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Amended 27/10/18

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danmather1
Posts: 44
Joined: Sat Sep 05, 2015 6:18 pm
Location: Chesterfield

OIL

Post by danmather1 » Thu Oct 22, 2015 7:05 pm

Would 15W - 30 universal tractor oil suit a 25D.
Engine and gearbox oil?
How many litres of engine oil?

Thanks

Guest

RE: OIL

Post by Guest » Thu Oct 22, 2015 8:04 pm

It will be perfectly okay but you may find that when the engine is at working temperature the oil pressure on the gauge drops, it should maintain plus or minus around 40psi, the oil pump main pressure relief valve is set at 50psi. The recommended oil was 20/20W 'Tractor Universal, try to avoid mineral oils as these engines were not designed for it as it contains more detergents and consequently needs changing more often although you can 'wean' the older engines on to it but you still will need to change it more frequently.

The engine oil capacity is 14 pints indicated by the top mark on the dipstick.

User avatar
danmather1
Posts: 44
Joined: Sat Sep 05, 2015 6:18 pm
Location: Chesterfield

RE: OIL

Post by danmather1 » Thu Oct 22, 2015 9:07 pm

Thank you for your knowledge.
The engine is currently stripped having the rings replaced and a full engine gasket fit and a new radiator.
I have a 30D also,new radiator for that too,then both painted.

Guest

RE: OIL

Post by Guest » Thu Oct 22, 2015 10:01 pm

The same is also relevant to the 30D, there's not much difference between both engines where the oil and filters are concerned apart from about 5hp.

John_Allen
Posts: 1894
Joined: Sat Dec 31, 2005 3:59 pm
Location: Cumbria UK

RE: OIL

Post by John_Allen » Thu Oct 22, 2015 11:28 pm

Don't use mineral oil?? Are you suggesting that synthetic is better for older engines????

Very worrying.

Guest

RE: OIL

Post by Guest » Thu Oct 22, 2015 11:39 pm

No, I must apologise for that, should have said it other way 'round, mineral oil is what these engines were designed to use, synthetic has the greater detergent content.

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