
Fuels 23
5 Fuels
D
iesel fuels
Se
lection of a suitable diesel fuel
The quality of the fuel is very important for satisfactory engine performance, long engine service life and acceptable
exhaust emission levels. The engines can be operated with most diesel fuels sold worldwide. The properties and
limit values specified in Table 1 (fuels of comparable quality) ensure optimum engine performance.
In order to achieve optimum engine performance and satisfactory service life for the entire fuel and injection system,
the limit values for water and total contamination must be complied with in the engine tank for all approved fuel
qualities. Furthermore, it is advisable to integrate an additional filtering system in the fuel system.
Emission certification
The certification measurements for verifying observance of the statutory emission limits are carried
out with the respectively prescribed certification fuels.
Dispose of used fluids and lubricants in accordance with local regulations.
Used oil must never be disposed of via the fuel tank!
Fuels of comparable quality with following test results: (Table 1)
Test Method Limit Value
ASTM ISO
Composition The diesel fuel must be free of
inorganic a cids, visible water,
solid foreign matter and chlorous
compounds.
Total contamination Max. D 6217 EN 12662
24 mg/kg
Spec. grav. at 15 °C
Min. D 1298 EN 3675
0.820 g/ml
Max. D 4052 EN 12185
0.860 g/ml
API grade at 60 °F
Min. D 287 41
Max. 33
Viscosity at 40 °C
Min. D 445 EN 3104
1.5 m m²/s
Max.
4.5 m m²/s
Flashpoint (closed crucible)
Min. D 93 EN 22719
60 °C
Boiling curve: D 86 3405
– Initial boiling point
160 – 220 °C
– Recovery at 250 °C
Max.
65% by volume
– Recovery at 350 °C
Min.
85% by volume
– Residue and loss Max.
3% by volume
Fatty acid methyl ester content
(FAME, DIN 14214)
Max. DIN
51627-1
7.0% by volume
Water Max. D 6304 EN 12937
200 mg/kg
A001061/34E 09-11 ©MTU
TIM ID: 0000010137 – 008
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