John Deere Service Bulletins |
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MULTI-VISCOSITY CRANKCASE OILS |
The multi-viscosity oil recommendations for the Models "M", "40," and "420" Series of tractors are given in the chart below:
Temperature |
Single Viscosity Oil |
Multi-Viscosity Oil |
---|---|---|
Summer |
SAE 20 |
SAE 10W-30 |
Winter |
SAE 10W |
SAE 5W-20 |
During the break-in period of 120 hours on all-fuel tractors and 600 hours on gasoline tractors use SAE 10W or SAE 5W-20 oil.
John Deere Service Bulletin No. 231 gave the multi-viscosity oil recommendations for the "A", "B", "G", "R", "50", "60", "70", and "80" Tractors.