Komatsu SK818-5 Operation & Maintenance Manual page 162

FUEL, COOLANT AND LUBRICANTS
IMPORTANT
When the diesel oil sulphur content is less than 0.5%, change the engine oil according to the periodic
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maintenance intervals indicated in the operation and maintenance manual. If the diesel oil sulphur con-
tent exceeds 0.5%, change the engine oil according to the following table:
When starting the engine at temperatures below 0ºC, use engine oil SAE 10W, 10W-30, 5W-30, even if during
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the day the temperature increases by 10ºC.
Use engine oil with CD classification; if oil with CC classification is used, reduce the engine oil change interval by
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a half.
Use Komatsu genuine products whose characteristics have been specifically formulated and approved for use in
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the engine, in the equipment hydraulic circuit, in the reduction gears and in the transmission.
First filling quantity: total quantity of oil, including the oil for the components and pipes.
Oil change quantity: quantity of oil necessary to fill the system or unit during the normal inspection and mainte-
nance operations.
ASTM: American Society of Testing and Materials
SAE: Society of Automotive Engineers
API: American Petroleum Institute
160
Sulphur content
da 0.5 a 1.0%
oltre 1.0%
Engine oil change interval
1/2 of regular interval
1/4 of regular interval