The operator's manual recommends three engine oil weights depending on air temperature.<li>Above 90<sup>o</sup>F. S.A.E. 30</li><li>32<sup>o</sup>F. to 90<sup>o</sup>F. S.A.E. 20</li><li>Below 32<sup>o</sup>F. S.A.E. 10-10W</li>
We use 15W-40 Diesel oil in all our tractors.
The photo below shows the engine oil drain plug; the oil filter is on the left and oil pump is on the right.
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Remove the breather stack and filter to pour in the oil.
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Open the oil level test cock and pour in the oil.
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Add oil until it drips out the oil level test cock; when the oil drips out it is full.
The operator's manual recommends two transmission oil weights depending on air temperature.<li>0<sup>o</sup>F. and Up S.A.E. 90</li><li>Below 32<sup>o</sup>F. S.A.E. 80</li>
We use 140W GL1 oil in all our tractors.
The photos below show the two transmission drain plugs.
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The photo below shows the transmission fill plug.
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Add transmission oil to the bottom of the threads; takes about 7 gallons.
The photo below shows the oil cup on the bottom of the air cleaner.
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Be sure to add clean oil to the cup.
Hope this helps.