MTU 12 V 4000 M63 Specifiche Scaricare il pdf (Pagina 12)

10 Lubricants for four-stroke engines

Oxidation (A/cm)

DIN 51453 Max. 25

Nitration (A/cm)

DIN 51453 Max. 5.5

Corresponding to limit value 25 when

determined with IR method

Ethylene glycol (mg/kg) ASTM D 2982

Max. 100

Analytical limit values for used gas engine oils SAE 40 (Table 5)

Test Method Limit Value

Viscosity at 100 °C

(mm²/s)

ASTM D 445

DIN 51562

max. 17.5 m ax.

min. 11.5 min.

Total base number (mg KOH/g) ASTM D 2896

ISO 3771

Min. 3

Acid number (mgKOH/g) ASTM D664

New oil value + 2.5

pH value Min. 4.5

Water (% by vol.) ASTM D 6304

EN 12937

ISO 6296

Max. 0.2

Oxidation (A/cm)

DIN 51453 Max. 20

Nitration (A/cm)

IR method Max. 20

Wear elements (mg/kg)

Iron (Fe)

Lead (Pb)

Aluminum (Al)

Copper (Cu)

Tin (Sn)

Silicon (Si)

RFA, ICP

Max. 30

Max. 20

Max. 10

Max. 20

Max. 5

Max. 15

Use of high-sulfur diesel fuel

The following measures must be taken in the case of diesel fuels with a sulfur content above 0.5%:

• Use of an engine oil with a total base number (TBN) of more than 8 mgKOH/g

• Shortening of oil drain intervals (→ Page 07)

The total base numbers for the approved engine oils are listed in Chapter 8 (→ Page 45).

Chart 2 (Total Base Numbers) lists the recommended minimum total base numbers for new and

used oils depending on the sulfur content of the diesel fuel.

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MTU 12 V 4000 M63 Specifiche Pagina 12

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