REG. CODE
1-5302-351
MODEL N°
50563
DATE OF ISSUE
04.90
REVISION 04
DATE
15.11.99
ENDORSED
COMPILER TECO/ATI
26
GENERAL
I
DIESEL FUEL SPECIFICATIONS
Diesel fuel must be clean, fresh, meet Lombardini fuel specifications and be sourced from a known and reputable
supplier. Clean, fresh and properly specified diesel fuel will provide assurances of maximum engine performance
and maximum fuel injection system longevity. The use of out-of-spec, dirty or questionable quality diesel fuel will
result in engine performance and start ability problems as well as reductions in engine and fuel injection system
life.
Lombardini diesel engines are designed to operate on No. 2 diesel fuel. However, some geographical areas, by
virtue of cold winter temperatures, change the diesel fuel supply depot to No. 1 diesel fuel in winter months. No. 2
diesel fuel provides maximum viscosity and lubricity but can have “waxing” problems at lower temperature.
Lombardini expressly recommends the use of No. 2 diesel fuels when temperatures are above -10°C (14°F).
Lombardini recommends that No. 1 diesel fuel be used when temperatures are at or below -10°C (14°F).
Lombardini allows the use of either EPA- High Sulfur, off-highway diesel fuel or EPA- Low Sulfur, on-highway fuel
for non-CARB certified engines. CARB certified engines must consume only EPA- low sulfur diesel fuels
conforming to EPA 40 CFR 86-113-94. For general non-CARB certified engines, Lombardini highly recommends
that either low sulfur or high sulfur fuel be used on a continuous basis. Mixing the usage of low sulfur and high
sulfur fuels can cause complications within the fuel injection system and thus is not recommended.
Lombardini does not recommend the use of “heating oil”, blended fuel/ waste engine oil, or low grade diesel fuel of
any kind. The use of aviation fuels- JP4, JP5 or JP8 must be approved on an application basis and is not
recommended for broad range commercial applications.
EPA FUEL SPECIFICATIONS (No. 2 DIESEL FUEL):
ASTM EPA 40CFR 86.113-90 EPA 40CFR 86.113-94
TEST (OFF-HIGHWAY FUEL) (ON-HIGHWAY FUEL)
CETANE NUMBER D613 42-50 40-48
DISTILLATION RANGE
BP D86 340-400°F (171.1-204.4°C) 340-400°F (171.1-204.4°C)
10% point D86 400-460°F (204.4-237.8°C) 400-460°F (204.4-237.8°C)
50% point D86 470-540°F (243.3-282.2°C) 470-540°F (243.3-282.2°C)
90% point D86 550-610°F (287.8-321.1°C) 560-630°F (287.8-321.1°C)
EP D86 580-660°F (304.4-348.9°C) 610-690°F (304.4-348.9°C)
GRAVITY (API) D287 33-37 33-37
TOTAL SULFUR (pct.) D129 0.2-0.5 0.03-0.05
D2622
HYDROCARBONS
AROMATICS (min. pct.) D1319 27 27
PARAFFINS, OLEFINS, D1319 73 73
NAPHTHENES (pct.)
FLASHPOINT D93 130°F (54.4°C) 130°F (54.4°C)
VISCOSITY (CSt) D445 2.0-3.2 2.0-3.2
NOTE: BY LAW, EPA 40CFR 86.113-90 FUEL MUST BE DYED RED.
FUEL QUALITY/ STORAGE:
No. 1 and No. 2 Diesel fuel degrades with time. No. 2 diesel fuel has a storage life of approximately one(1) year.
No. 1 diesel fuel has a maximum storage life of two(2) years. Further, storage of diesel fuel in contaminated
storage tanks can lead to excessive impurities within the stored fuel. As such, aged or contaminated diesel fuel
should not be consumed by Lombardini diesel engines. Aside from the specifications listed above, fuel measured
to have total insolubles > 1mg/100mg, organic matter > 1mg/100ml or rust/mineral matter > 2mg/ml should not be
consumed by Lombardini diesel engines.
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