Mitsubishi MOTORS Shogun 2007 Owner's Manual page 458

Maintenance
Selection of engine oil
Petrol-powered vehicles
● Select engine oil of the proper SAE viscosity number
according to the atmospheric temperature.
SAE 0W-30, 5W-30, and 5W-40 engine oils can only be
used if they meet ACEA A3/B3, A3/B4 or A5/B5 and API
SG (or higher) specifications.
● Use engine oil conforming to the following classification:
• API classification: "For service SG" or higher
• ILSAC certificated oil
• ACEA classification:
"For service A1/B1, A3/B3, A3/B4 or A5/B5"
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NOTE
● Use of additives is not recommended since they may
reduce the effectiveness of additives already included in
the engine oil. It may result in failure of the mechanical
assembly.