Recommended: Komatsu Super Hydraulic Oil (ISO VG 32 or VG 46)
Viscosity Range: 10–200 cSt (use VG 32 in cold climates; VG 46 in standard conditions).
Fluid Temperature:
Operating Range: -15°C to +75°C (5°F to +167°F).
Ensure proper cooling to prevent oil degradation in prolonged use.
Filtration:
Required Filter Rating: ≤15 microns (critical for protecting small gear clearances).
Functional Notes
System Role:
Commonly used as a pilot pump for precision control of joysticks and valves in mini excavators.
May also power auxiliary functions like hydraulic thumb attachments or cooling fans.
