Specifications
06 Lubricants
If these oils are intended for use, the oil drain interval is to be shortened by up to 50% after consultation with MTU.
Chemical-physical characteristics for engine oils (Table 2)
Test Method Limit Value
Total base number
ASTM D 2896
ISO 3771
>8mgKOH/g
Shear stability ASTM D 3945 or
CEC-L-14-A-88
Limit values of respective
viscosity class
Deposit test
1)
DIN 51535 Max. 120 mg
1)
Required for multigrade oils us
ed in closed crankcase ventilation.
Restrictions on Series 4000-03
Marine applications
The engines of the Series 4000-03 Marine must not use oils in oil category 1.
Restrictions on Series 595, 1163 and 8000 applications
For fast commercial ferries with Series 595 or 1163 engines, Category 2 or 3 oils are generally
specified.
Oil Categories 2.1 and 3.1 may be used if the sulfur content in the fuel does not exceed
500 mg/kg.
For Series 8000, only the following engine oils may be used:
• Exxon Mobil Delvac1630 SAE 30
• Shell Sirius X SAE 30
Engine Oil Requirements for Gas Engines
Viscosity grade SAE 40 is stipulated for gas engines!
The selection of a suitable engine oil for gas engines depends primarily on the type of gas used to power the engine.
Another significant factor is the quality of the gas regarding its purity. This requires that the operator regularly carries
out gas checks. The gas-engine oils to be used feature a low ash content (< 0.6%) and base numbers within a range
of 4-6 mgKOH/g. This prevents increased ash deposits which can lead to reduced catalytic converter performance.
Selection of viscosity grades
Selection of the viscosity grade is based primarily on the ambient temperature at which the engine
is to be started and operated. If the relevant performance criteria are observed the engines can be
operated both with single grade and multigrade oils, depending on the application. Standard values
for the temperature limits in each viscosity grade are shown in Chart 1.
If the prevailing temperature is t oo low, the engine oil must be preheated.
A001061/33E 08-01 ©MTU
TIM ID: 0000010135 – 006