Donaldson Thermo-Tech Heavy-Duty CoolantCoolant.jpg

Our coolants are designed to provide extreme engine protection for all heavy-duty and light duty trucks, as well as 4WDs, passenger vehicles and generally all types of engines that require a cooling system.

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As well as removing heat, a good quality coolant should also provide good anti-freeze, boil-over and corrosion protection. Our new range of coolants cover all of these needs and are available in the following types:


Donaldson Thermo-Tech EG

This is a conventional coolant and is Ethylene Glycol (EG) based. In 4WDs and cars this coolant will last up to 3 years or 100,000kms. In heavy-duty applications in can last up to 2 years or 320,000kms.

pdficon_small.pngProduct Profile EG Coolant


Donaldson Thermo-Tech OAT

This is a more environmentally friendly coolant based on Organic Acid Technology (O.A.T.). In 4WDs and cars this coolant will also last up to 3 years or 100,000kms and in heavy duty applications it can extend out to 4 years or 1 million kms.

pdficon_small.pngProduct Profile OAT Coolant


Donaldson Thermo-Tech PG

This coolant utilises hybrid technology and is the superior coolant in the range. It is a Propylene Glycol (PG) based product and in 4WDs and cars this coolant can last up to 5 years or 250,000kms. In heavy-duty applications it can last up to 6 years or 1 million kms.

pdficon_small.pngProduct Profile PG Coolant

Safety Data Sheets

Donaldson Thermo-Tech EG Coolant

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Donaldson Thermo-Tech PG Coolant

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Donaldson Thermo-Tech OAT Coolant

pdficon_small.png Premix

pdficon_small.png Concentrate