Lubricant Technical Knowledge

Selection, application and maintenance guidance supported by review and sources.

Technical Knowledge

Technical Knowledge

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Illustration of ISO VG 32 and 46 oil samples beside an industrial hydraulic system

Hydraulic Oil 32 vs 46: Purchasing & Changeover Guide

Hydraulic oil 32 vs 46 is a choice between viscosity grades: ISO VG 46 has higher kinematic viscosity at the 40°C reference temperature. That does not make it a better lubricant for every machine. Procurement needs the pump or equipment manufacturer's permitted fluid specification and viscosity range at startup and in service before accepting either grade.

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