Case 2050M Operator's Manual page 179

You may notice the older version of the OAT decal (CNH
Industrial part number 47488993) on some applications.
Definitions
Conventional coolant:
A coolant that relies on inorganic inhibitors such as sil-
icates, nitrites, and phosphates for corrosion and cavi-
tation protection.
Organic Acid Technology (OAT) coolant:
A coolant that relies on inhibitors such as organic acid
salts for corrosion and cavitation protection.
7 - MAINTENANCE
7-23
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47488993