New Holland Workmaster 75, Service Manual, Page: 27 / 41

INTRODUCTION
Engine Oil
The correct engine oil viscosity grade is dependent upon
ambient temperature. Refer to the chart on the right when
selecting oil for your tractor engine.
NOTE: In areas where prolonged periods of extreme tem-
peratures are encountered, local lubricant practices are
acceptable; such as the use of SAE 5W30 in extreme low
temperatures or SAE50 in extreme high temperatures.
Sulfur in Fuel
The engine oil change period is shown in Section 3. How-
ever, locally available fuel may have a high sulphur con-
tent, in which case the engine oil change period should be
adjusted as follows:
Sulfur Content %
Below 0.5 Normal
0.5-1.0 Half the normal
above 1.0 One quarter normal
NOTICE: The use of fuel with a sulfur content above 1.3
% is not recommended.
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