Hitachi ZAXIS 120-6 class Operator's Manual page 315

Recommended Oil Viscosity
Where to be Applied
Engine Oil Pan
Pump Transmission
Swing Reduction Gear
Travel Reduction Gear
Hydraulic System
(Hydraulic Oil Tank)
Fuel Tank
Grease fitting
Radiator
Air Temperature (degrees Celsius)
Kind of Oil
-30 -20
Engine Oil
Engine Oil
Gear Oil
Hydraulic Oil
Diesel Fuel
Lithium
Grease
Coolant
MAINTENANCE
-10 0 10 20
7-21
30 40
Hitachi Genuine Engine Oil DH-2 10W-40
Hitachi Genuine Engine Oil DH-2 10W-40
Hitachi Genuine Engine Oil DH-1 15W-40
Hitachi Gear Oil GL-4 90
Hitachi Genuine Hydraulic Oil 5000
Hitachi Genuine Hydraulic Oil Multi
EN590 Class A
EN590 Class B
EN590 Class C
EN590 Class D
EN590 Class E
EN590 Class F
Hitachi Genuine Grease NLGI EP-2
Hitachi Genuine Long Life Coolant