Hitachi 120-3 class User Manual

MAINTENANCE
7-55
G. COOLING SYSTEM
Coolant
Use fresh water or normal tap water as a coolant. Do not use
strong acid or alkaline water. Use the coolant with genuine
Hitachi Long-Life Coolant (LLC) mixed by 30 to 50 %.
If the air temperature is expected to fall below 0 °C (32 °F),
fill the cooling system with an genuine Hitachi Long-Life
Coolant (LLC) and soft water mix. As a general rule, the ratio
of LLC should range between 30% and 50% as shown in the
table below. If the ratio is below 30%, the system may devel-
op rust, and if it is above 50%, the engine may overheat.

Hitachi 120-3 class Specifications

General

Brand	Hitachi
Model	120-3 class
Category	Excavators
Language	English