
Lubricants for four-stroke engines 05
2 Lubricants for four-stroke engines
Engine oils
Dispose of used fluids and lubricants in accordance with local regulations.
Used oil must never be disposed of via the fuel tank!
Requirements of the engine oils for MTU approval
The MTU requirements for approval of engine oils for diesel engines are contained in the MTU Factory S tandards
MTL 5044 and MTL 5051 for first-use oils and corrosion-inhibiting oils. For gas engines, oil approval requirements
are contained in MTU Factory Standard MTL 5074. These standards can be ordered under these reference numbers.
Manufacturers of engine oils are notified in writing if their product is approved.
Approved engine oils are divided into the following MTU Quality Categories:
• Oil category 1: Standard quality / Single and multigrade oils
• Oil category 2: Higher quality / Single and multigrade oils
• Oil category 2.1: Multigrade oils with a low ash-forming additive content (low SAPS oils)
• Oil category 3: Highest quality / Multigrade oils
• Oil category 3.1: Multigrade oils with a low ash-forming additive content (low SAPS oils)
Low SAPS oils are oils with a low sulfur and phosphor content and an ash-forming additive content of ≤1%.
They are only approved if the sulfur content in the fuel does not exceed 500 mg/kg. When using diesel particle
filters, it is advisable to use these oils to avoid fast coating of the filter with ash particles.
Selection of a suitable engine oil is based on fuel quality, projected oil drain interval and on-site climatic conditions.
At present there is no international industrial standard which alone takes into account all these criteria.
Compliance with the EPA emission limits can no longer be ensured when engine oils are
used that are not approved by MTU. The use of such unapproved engine oils leads to the
annulment of the EPA certificate.
Mixing different engine oils is strictly prohibited!
Changing to another oil grade can be done together with an oil change. The remaining oil
quantity in the engine oil system is not critical in this regard.
Special features
MTU engine oils
One single-grade and one multigrade oil are available from MTU/MTU-DD. These engine oils are marketed under
the name Power Guard DEO SAE 40 and SAE 15W-40. The engine oils are tuned to the MTU Off-Highway
application groups and correspond to oil category 2. A single-grade and multigrade oil are available at MTU Asia.
These engine oils are marketed under the name Fascination of Power SAE 40 and SAE 15W-40.
Engine oils for the Series 2000, 4000-01, 4000-02
For Series 2000, 4000-01 and 4000-02 engines, engine oils other than those listed as approved in Section 8 may be
used provided they satisfy all of the specifications and match all of the characteristics listed in Tables 1 and 2.
Performance specifications for engine oils for Series 2000 and 4000-01/02 (Table 1)
Oil category 1 Specification min. API CG-4/CH-4 and ACEA E2–96
Oil category 2 Specification ACEA E7–08
Oil category 2.1 Specification ACEA E9 or API CJ4
Oil category 3 Specification ACEA E4–08
Oil category 3.1 Specification ACEA E6–08
A001061/34E 09-11 ©MTU
TIM ID: 0000010135 – 007
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