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Coolant Filtration
Overview
Typical Coolant Filtration Systems COOLANT FILTRATION
There are many commercial Coolant Filter
options available for coolant Assembly
filtration. Regardless of your
preference, proper maintenance
is essential to engine longevity. Radiator
There are two popular choices for
coolant systems – traditional or
organic acid types.
Traditional Coolant Systems Organic Acid Coolant Systems Hybrid Coolant Systems
These systems are characterized Organic acid technology (OAT) This type of coolant system is
by the use of ethylene glycol or is a choice for those interested a blend of traditional and OAT
propylene glycol in conjunction in long life or extended service coolant technologies. They may
with a supplemental coolant coolant. OAT systems are not offer improved protection and
additive. Typical coolant life chemically compatible with the extended life characteristics
is two years / ~300,000 miles / traditional SCA/SCA+ coolant over OAT. The expected life is
480,000 kilometers). Engines systems. Typical coolant life is same as OAT, but with an annual
using this chemical base typically four years / ~600,000 miles / recharge (vs. ½).
recharge the chemical at every 965,000 kilometers). Engines
oil drain interval. using this chemical base Donaldson filters for Hybrid
typically recharge the coolant at systems: Donaldson
Donaldson filter options for ½ the life of the coolant. Endurance™ (non-chemical).
traditional systems include:
Donaldson filters pre-charged Donaldson filters for OAT
with SCA or SCA+ chemicals, systems: Donaldson
Donaldson Endurance™ PLUS Endurance™ (non-chemical).
with slow-release additive or
a non-charged (blank) filter
(user would add liquid SCA as
needed).
www.donaldson.com Engine Liquid Filtration • 93
