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Parts No.
SYEO-AXO80 SAE 80W 20 200
Parts No.
SYEO-TO30 SAE 30 4 20 200
 SYEO-TO10 SAE 10W 4 20 200
ANTIWEAR TYPE
HYDRAULIC OIL
KOMATSU GENUINE
Besides diesel engine oils, Komatsu also provides a variety of oils and greases
to keep construction machinery running smoothly.
Komatsu Genuine Oils
Powertrain oil TO Series
This is a dedicated Powertrain oil 
with the properties required in the 
Powertrain of construction machin-
ery under severe operating condi-
tions (such as antiwear, heat and 
seizure resistance, and friction 
retention).
Axle oil
This oil is specifically designed for 
the axle unit of a wheel loader or 
articulated dump.
Printed in Japan (0703003)AI
• PLEASE CONTACT:
• The specifications are subject to change without prior notice for improvement purposes. The photos included in this brochure may differ from the products actually sold.
 For details on precautions for using this product, see the operation & maintenance manual.
PEPA1061
The Komatsu DH Series
substantially extends engine
EO15W40-DH
EO10W30-DH
EO30-DH
SYEO-1540DH
SYEO-1030DH
SYEO-30DH
SAE 15W-40
SAE 10W-30
SAE30
4 20 200
20 200
4 20 200
Type Parts No. Viscosity Packaging Features
Multi-grade oil
Single-grade oi Oils for use at ambient temperatures between 0°C and +40°C
All-season oils for use at ambient temperatures between
 –15°C and +50°C
Oils suitable for use in cold districts in winter at ambient
 temperatures between –20°C and +40°C
High Thermal Stability
The DH Series has passed rigorous thermal sta-
bility tests. The oils help prevent thermal deterio-
ration and maintain their lubrication property for 
an extended period.
Superior Detergency
With its superior detergency, the oil reduces the 
carbon build-up and maintains the detergency of 
the area around the engine combustion chamber.
Antiwear Performance
Provides superior antiwear performance, 
suppressing wear in major components such 
as cams, tappets and piston rings.
Anti-Corrosion Performance
Prevent corrosion on engine parts caused by 
fuel sulfur (SOx) and oil oxidation.
High Dispersancy
The DH Series reduces the generation of 
insoluble fractions by soot and suppresses 
abrasion by carbon.
Diesel Engine oil for emission controlled 
engines. Provides good resistance to 
wear and heat, and cleanliness meeting 
Komatsu's stringent standards.
DH SERIES
Diesel Engine Oil
Viscosity Packaging
Viscosity Packaging
HO-MVK
HO46-HM
SYHO-MVK
SYEO-46
VG32W
VG46
20 200
20 200
Type Product code Viscosity (ISO) Packing Features
Komatsu Genuine Hydraulic Oil maximizes 
the performance of hydraulic equipment of 
construction machinery operated under even 
higher loads, thus extending hydraulic 
equipments life.
Multi-grade oil
Single-grade oi
Features of Komatsu Genuine Hydraulic Oil
Antiwear Performance
Excellent wear resistance thanks to the 
formation of a strong oil film even under 
heavy loads. Reduces the wear in 
pumps, motors and control valves, 
maximizing the performance of hydrau-
lic equipment.
Less
Wear
Greater
WearPiston pump cylinder bore
High-performance Hydraulic Oil
• High load-carrying capacity helps 
maintain the strong oil film of con-
struction machinery, maximizing 
the scuffing resistance of high-
pressure hydraulic equipments.
• Excellent wear resistance extends 
the life of hydraulic equipment.
• High oxidation stability
• Superior sealing compatibility
Oil specifications applicable to hydraulic equipment 
of any type of construction machinery
1
Superior Oxidation Stability
Komatsu genuine hydraulic oil has su-
perior oxidation stability even at high 
temperatures, resulting in less deterio-
ration and carbonization.
• Komatsu genuine hydraulic oil has achieved an oil 
replacement interval of 5000 hours when used in 
Komatsu hydraulic excavation.
2
Long-time Friction Retention
Hydraulic motors of construction ma-
chinery mounting wet-type disc brakes, 
requiring stable friction retention over a 
long time. Komatsu genuine oil consist-
ing of high-quality base oil blended with 
excellent additives prevents the de-
crease in friction factor over the long 
term.
3
High Load-carrying Capacity
Passed the load-carrying performance 
test using Komatsu's unique high-
pressure piston pump. Maintains a 
strong oil film that protects hydraulic 
equipment from scuffing, extending the 
life of hydraulic equipment.
4
L
o
w
er L
im
it
• Specifications
Universal all-season oil that remains flowable even down to –30°C in winter, 
and that forms a strong oil film at temperatures of up to 50°C during 
summer. Its excellent viscosity characteristics increase the response and 
reduce the antiwear resistance of hydraulic equipment.
For use at ambient temperatures ranging from –20°C to +50°C. High-
performance oil for construction machinery hydraulic equipment operated 
under even higher loads.
High-performance hydraulic 
oils that have passed 
Komatsu's unique stringent 
quality requirements
Load-carrying capacity
O
il P
erfo
rm
ance
Low High
Komatsu
genuine
hydraulic oil
Commercial hydraulic oil
for construction machinery
(pistons, pumps, motors)
Low-pressure hydraulic oil
for industrial machinery
(vane pumps, gear pumps)
2010 30 40 (MPa)
• Piston pump wear test result
W
ear lim
it w
ith
 n
ew
 o
il
Commercial
hydraulic oil A
Commercial
hydraulic oil B
Commercial
hydraulic oil C
Komatsu
genuine
hydraulic oil
Komatsu
genuine
hydraulic oil
Commercial
diesel engine oil
• High-pressure pump test
Komatsu
genuine
hydraulic oil
Friction factor
Commercial
hydraulic oil A
Commercial
hydraulic oil B
Commercial
hydraulic oil
Komatsu
genuine
hydraulic oil
Commercial
diesel engine oil
• Oxidation stability test at high temperature
500h400h300h200h
TEST TIME
TEST TIME
0h
0.02
0 10 20 30 40 50
0.04 0.06 0.08 0.1 0.12 0.14 0.160
Commercial
engine oil
SAE 10W
Light
deterioration
Heavy
deterioration
HighLow Pressure (MPa)
• Based on Komatsu in-house data comparison
• Based on Komatsu in-house data comparison
• Based on Komatsu in-house data comparison
• Based on Komatsu in-house data comparison
• Based on Komatsu in-house data comparison
Light
deterioration
HO-MVK
HO46-HM
SYHO-MVK
SYEO-46
VG32W
VG46
20 200
20 200
Type Product code Viscosity (ISO) Packing Features
Komatsu Genuine Hydraulic Oil maximizes 
the performance of hydraulic equipment of 
construction machinery operated under even 
higher loads, thus extending hydraulic 
equipments life.
Multi-grade oil
Single-grade oi
Features of Komatsu Genuine Hydraulic Oil
Antiwear Performance
Excellent wear resistance thanks to the 
formation of a strong oil film even under 
heavy loads. Reduces the wear in 
pumps, motors and control valves, 
maximizing the performance of hydrau-
lic equipment.
Less
Wear
Greater
WearPiston pump cylinder bore
High-performance Hydraulic Oil
• High load-carrying capacity helps 
maintain the strong oil film of con-
struction machinery, maximizing 
the scuffing resistance of high-
pressure hydraulic equipments.
• Excellent wear resistance extends 
the life of hydraulic equipment.
• High oxidation stability
• Superior sealing compatibility
Oil specifications applicable to hydraulic equipment 
of any type of construction machinery
1
Superior Oxidation Stability
Komatsu genuine hydraulic oil has su-
perior oxidation stability even at high 
temperatures, resulting in less deterio-
ration and carbonization.
• Komatsu genuine hydraulic oil has achieved an oil 
replacement interval of 5000 hours when used in 
Komatsu hydraulic excavation.
2
Long-time Friction Retention
Hydraulic motors of construction ma-
chinery mounting wet-type disc brakes, 
requiring stable friction retention over a 
long time. Komatsu genuine oil consist-
ing of high-quality base oil blended with 
excellent additives prevents the de-
crease in friction factor over the long 
term.
3
High Load-carrying Capacity
Passed the load-carrying performancetest using Komatsu's unique high-
pressure piston pump. Maintains a 
strong oil film that protects hydraulic 
equipment from scuffing, extending the 
life of hydraulic equipment.
4
L
o
w
er L
im
it
• Specifications
Universal all-season oil that remains flowable even down to –30°C in winter, 
and that forms a strong oil film at temperatures of up to 50°C during 
summer. Its excellent viscosity characteristics increase the response and 
reduce the antiwear resistance of hydraulic equipment.
For use at ambient temperatures ranging from –20°C to +50°C. High-
performance oil for construction machinery hydraulic equipment operated 
under even higher loads.
High-performance hydraulic 
oils that have passed 
Komatsu's unique stringent 
quality requirements
Load-carrying capacity
O
il P
erfo
rm
ance
Low High
Komatsu
genuine
hydraulic oil
Commercial hydraulic oil
for construction machinery
(pistons, pumps, motors)
Low-pressure hydraulic oil
for industrial machinery
(vane pumps, gear pumps)
2010 30 40 (MPa)
• Piston pump wear test result
W
ear lim
it w
ith
 n
ew
 o
il
Commercial
hydraulic oil A
Commercial
hydraulic oil B
Commercial
hydraulic oil C
Komatsu
genuine
hydraulic oil
Komatsu
genuine
hydraulic oil
Commercial
diesel engine oil
• High-pressure pump test
Komatsu
genuine
hydraulic oil
Friction factor
Commercial
hydraulic oil A
Commercial
hydraulic oil B
Commercial
hydraulic oil
Komatsu
genuine
hydraulic oil
Commercial
diesel engine oil
• Oxidation stability test at high temperature
500h400h300h200h
TEST TIME
TEST TIME
0h
0.02
0 10 20 30 40 50
0.04 0.06 0.08 0.1 0.12 0.14 0.160
Commercial
engine oil
SAE 10W
Light
deterioration
Heavy
deterioration
HighLow Pressure (MPa)
• Based on Komatsu in-house data comparison
• Based on Komatsu in-house data comparison
• Based on Komatsu in-house data comparison
• Based on Komatsu in-house data comparison
• Based on Komatsu in-house data comparison
Light
deterioration
Parts No.
SYEO-AXO80 SAE 80W 20 200
Parts No.
SYEO-TO30 SAE 30 4 20 200
 SYEO-TO10 SAE 10W 4 20 200
ANTIWEAR TYPE
HYDRAULIC OIL
KOMATSU GENUINE
Besides diesel engine oils, Komatsu also provides a variety of oils and greases
to keep construction machinery running smoothly.
Komatsu Genuine Oils
Powertrain oil TO Series
This is a dedicated Powertrain oil 
with the properties required in the 
Powertrain of construction machin-
ery under severe operating condi-
tions (such as antiwear, heat and 
seizure resistance, and friction 
retention).
Axle oil
This oil is specifically designed for 
the axle unit of a wheel loader or 
articulated dump.
Printed in Japan (0703003)AI
• PLEASE CONTACT:
• The specifications are subject to change without prior notice for improvement purposes. The photos included in this brochure may differ from the products actually sold.
 For details on precautions for using this product, see the operation & maintenance manual.
PEPA1061
The Komatsu DH Series
substantially extends engine
EO15W40-DH
EO10W30-DH
EO30-DH
SYEO-1540DH
SYEO-1030DH
SYEO-30DH
SAE 15W-40
SAE 10W-30
SAE30
4 20 200
20 200
4 20 200
Type Parts No. Viscosity Packaging Features
Multi-grade oil
Single-grade oi Oils for use at ambient temperatures between 0°C and +40°C
All-season oils for use at ambient temperatures between
 –15°C and +50°C
Oils suitable for use in cold districts in winter at ambient
 temperatures between –20°C and +40°C
High Thermal Stability
The DH Series has passed rigorous thermal sta-
bility tests. The oils help prevent thermal deterio-
ration and maintain their lubrication property for 
an extended period.
Superior Detergency
With its superior detergency, the oil reduces the 
carbon build-up and maintains the detergency of 
the area around the engine combustion chamber.
Antiwear Performance
Provides superior antiwear performance, 
suppressing wear in major components such 
as cams, tappets and piston rings.
Anti-Corrosion Performance
Prevent corrosion on engine parts caused by 
fuel sulfur (SOx) and oil oxidation.
High Dispersancy
The DH Series reduces the generation of 
insoluble fractions by soot and suppresses 
abrasion by carbon.
Diesel Engine oil for emission controlled 
engines. Provides good resistance to 
wear and heat, and cleanliness meeting 
Komatsu's stringent standards.
DH SERIES
Diesel Engine Oil
Viscosity Packaging
Viscosity Packaging