14 APPENDIX
Mitsubishi Diesel Engine S12R OPERATION & MAINTENANCE MANUAL
200
Pub. No. 291Y1-40720 Revision: 5
*: 300°C [572°F], 16 hours
Table 14-3 Engine Oil Quality Standards (Grade CH-4 SAE 15W-40)
Item Unit
Recommended property
value
Test method
ASTM Color - L4.0 ASTM D 1500
Flash point °C [°F] 200 [392] or more ASTM D 92
Kinetic viscosity
40°C [104°F]
mm
2
/s
100 to 120
ASTM D 445
ASTM D 7042
100°C [212°F] 13.00 to 15.00
CCS Viscosity -20°C [-4°F] mPaꞏS 7000 or less ASTM D 5293
MRV Viscosity -25°C [-13°F] mPaꞏS 60000 or less ASTM D 4684
Sulfuric acid ash mass% 2.0 or less ASTM D 874
Acid number mgKOH/g 4.0 or less ASTM D 664
Base number
Hydrochloric acid
method
mgKOH/g 8.0 or more
Perchloric acid
method
mgKOH/g 11 or more ASTM D 2896
Pour point °C [°F] -25 [-13] or less
ASTM D 7346
ASTM D 6749/97
Bubbling test
I
mL
10/0 or less
ASTM D 892II 20/0 or less
III 10/0 or less
Additives
Ca
mass%
0.38 to 0.48
ASTM D 5185
ASTM D 4951
ASTM D 6481
P 0.11 to 0.15
Zn 0.12 to 0.17
S 0.5 or less
NOACK (evaporability) mass% 18 or less ASTM D 5800
High temperature shear
viscosity
150°C [302°F] mPaꞏS 3.7 or more ASTM D 4741
Carbon residue content - 2.0 or less
Hot tube test * - 4.0 or more