Hyundai HL930A Operator's Manual page 52

Safety Requirements for fuel Safety Requirements for fuel
The engine has been optimized for use with an exhaust aftertreatment to meet the Tier 4 Final/
Stage V off-highway emissions regulations. It must operate on Ultra-Low Sulfur Diesel (ULSD]
with a maximum sulfur content of 15 parts per million (ppm) in the United States and 10 ppm in the
European Union. Failure to do so can permanently damage engine and aftertreatment systems
within a short period of time. This damage could cause the engine to become inoperable and affect
the warranty coverage on the engine.
Ultra-low sulfur diesel fuel, also defined by ASTM S-15, is defined as diesel fuel not exceeding
0.0015 (15 ppm) mass percent sulfur content. There is no acceptable substitute.
At operating temperatures below 0°C [32° F], acceptable performance can be obtained by using
blends of number 2D and number 1D.
The following chart lists acceptable fuel types for this engine.
Number Number Number
1D 2D
Diesel Diesel Kerosene
OK OK Not OK Not OK Not OK Not OK Not OK
48-34 40-24 50-35
①
Any adjustment to compensate for reduced performance with a fuel system using alternate fuel is
not warrantable.
②
Winter blend fuels, such as those found at commercial fuel dispensing outlets, are combinations
of number 1D and number 2D diesel fuel, and are acceptable.
③
British thermal unit (BTU) content/Degree API Gravity – Low American Petroleum Institute (API)
gravity fuels have a higher thermal energy content (BTU). As a general rule, there is a 3 to 5
percent decrease in BTU content for every 10 degree increase in API gravity; there is no also a
0.7 degree API gravity increase with an increase in fuel temperature. This decrease in energy
content equates roughly to the same percentage of power loss. Use of fuels with higher API
gravity will cause higher than normal fuel consumption.
※
Recommend that the cetane number of diesel fuel be a minimum of 45 for engines that are
expected to operate at temperatures below 0°C [32°F] and a minimum of 42 for engines that are
operated at temperatures above 0°C [32°F].
※
The use of diesel fuel with a lower than recommended cetane number can cause hard starting,
instability, and excessive white smoke. To maintain satisfactory operation at low ambient
temperatures, it is important to specify diesel fuel of the collect cetane number.
1K Jet-A Jet-A1
51-37 51-37
JP-5 JP-8
48-36 51-37
1-33
Jet-B JP-4
Not OK Not OK Not OK
57-45 57-45 57-45
CITE