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Refer to the chart on the right when selecting the oil
grade for your tractor engine.
NOTE: In areas where prolonged periods of extreme
temperatures are encountered, local lubricant
practices are acceptable; such as the use of SAE 5W
in extreme low temperatures or SAE 50 in extreme
high temperatures.
Sulphur in Fuel
The engine oil change period is shown in Operation
27 on page 4--19. However, locally available fuel may
have a high sulphur content, in which case the engine
oil change period should be adjusted as follows:
Sulphur Content %
less than 0.5
0.5 to 1.0
above 1.0
The use of fuel with a sulphur content above 1.3% is
not recommended.
4--42
SECTION 4 - - LUBRICATION AND MAINTENANCE
Oil
Change Period
normal
half the normal
one quarter normal
O
O
O
- -30
C
- -25
C
- -15
SAE 5W- -30
SAE 10W- -30
O
O
O
- -22
F - -13
F
+5
F
O
O
C
+20
C
+40
C
SAE 15W- -40
O
O
+68
F
+104
F
89
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