5-2
Chapter 5 ENGINE OIL
Engine Oil Specification
Use engine oil which meets the requirements specified in the table below.
Table 5-1 Recommended Limit of Engine Oil Properties
Item
Unit
Recommended limit
Test method
API/JASO
CF class *1
-
SAE viscosity
-
15W-40
-
Color ASTM
-
L4.0
JIS K 2580
ISO 2049
Density
15°C [59°F]
g/cm
3
0.87 to 0.90
JIS K 2249
ISO 3675
ISO3838
ISO 649-4
ISO 91-1
Kinetic Viscosity:
40°C [104°F]
mm
2
/s
100 to 110
JIS K 2283
ISO 3107
ISO 2904
150°C [302°F]
13.5 to 15.5
Viscosity
-
-
JIS K 2283
ISO 3107
ISO 2904
Flash point
°C [°F]
225 to 250
[437 to 482]
JIS K 2265
ISO 3679
ISO 2719
ISO 2592
Base
number
Hydrochloric
acid method
Sulfur contents
of fuel
1.0 weight %
or lower
mgKOH/g
10 or higher
(up to 13)
JIS K 2501
ISO 3771
ISO 6618
ISO 6619
ISO 7537
0.2 weight %
or lower
8 or higher
(up to 13)
Perchloric
acid method
Sulfur contents
of fuel
1.0 weight %
or lower
mgKOH/g
13 or higher
(up to 16)
0.2 weight %
or lower
11 or higher
(up to 16)
Acid number
mgKOH/g
1.5 to 2.0
JIS K 2501
ISO 3771
ISO 6618
ISO 6619
ISO 7537
Sulfur content
%
0.5 or less
JIS K 2541
ISO 4260
ISO 8754
Sulfuric acid ash
%
2.0 or lower
JIS K 2272
ISO 3987
ISO 6245
Carbon residue content
%
2.0 or lower
JIS K 2270
ISO 10370
ISO 6615
High temperature shear viscosity
150°C
[302°F]
mP·aS
3.7 or higher
JPI-5S-36-91
Pour point
°C [°F]
-25 [-13]or lower
JIS K 2269
ISO 3015
ISO 3016