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MAINTENANCE
Reservoir
Engine oil pan
Swing machinery case
Final drive case
Damper case
Hydraulic system
Grease fitting
Cooling system
Fuel tank
q
ASTM: American Society of Testing and Material
Specified
Liter
capacity
Refill
Liter
capacity
NOTICE
Always use diesel oil for the fuel.
To ensure good fuel consumption characteristics and exhaust gas characteristics, the engine mounted on
this machine uses an electronically controlled high-pressure fuel injection device. This device requires
high precision parts and lubrication, so if low viscosity fuel with low lubricating ability is used, the durabil-
ity may drop markedly.
Note 1: HTHS ( High-Temperature High-Shear Viscosity 150°C), specified by ASTM D4741 must be equal to or
higher than 3.5 mPa-S. Komatsu EOS0W30 and EOS5W40 are the most suitable oils.
Note 2: Powertrain oil has different properties from engine oil. Be sure to use the recommended oils.
Fluid type
Engine oil
Power train oil
(Note. 2)
Power train oil
Hydraulic oil
Hyper grease
(Note. 3)
Lithium EP grease
Supercoolant
AF-NAC (Note 4)
Diesel fuel
Swing
Final drive
Engine
machinery
oil pan
case
46
20
37
20
RECOMMENDED FUEL, COOLANT, AND LUBRICANT
AMBIENT
TEMPERATURE
Min
Max
-30°C
30°C
-25°C
40°C
-20°C
40°C
-15°C
50°C
0°C
40°C
-30°C
50°C
-20° C
50° C
-20° C
50° C
-20° C
50° C
-20° C
50° C
-30°C
50°C
-30° C
20° C
-10° C
50° C
Damper
case
case
(Each)
10.5
1.07
10.5
1.07
Recommended komatsu Fluids
Komatsu EOS0W30 (Note 1)
Komatsu EOS5W40 (Note 1)
Komatsu EO10W30DH
Komatsu EO15W40DH
Komatsu EO30DH
TO30
TO10
HO46-HM
GT2-T, G2-TE
G2-LI
AF-NAC (Note. 4)
ASTM Grade No. 1-D S15
ASTM Grade No. 1-D S500
ASTM Grade No. 2-D S15
ASTM Grade No. 2-D S500
Hydraulic
Cooling
oil system
system
472
36
248
36
Fuel
tank
650
-
4-13
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