2024 Freightliner M2 106 Coolant Capacity & Type

The 2024 Freightliner M2 106 coolant system typically holds between 25-40 quarts (23.6-37.8 liters), depending on the specific engine and cooling system configuration.

Quick Answer

• Total Cooling System Capacity: 25-40 quarts (23.6-37.8 liters)
• OEM Coolant Spec: Check your owner's manual or engine manufacturer's specifications. Freightliner often uses phosphate-free, silicate-free, nitrite-free, and borate-free OAT (Organic Acid Technology) extended life coolants. Examples include Detroit Diesel Power Cool Plus or equivalent products meeting Detroit Diesel DFS93K217 or ASTM D6210 specifications. These are typically red or pink in color.
• Mix Ratio: Typically a 50/50 prediluted mix, or mix concentrated coolant with distilled water to a 50/50 ratio.

Capacity by Engine Option

The Freightliner M2 106 is available with various engine options, primarily from Cummins and Detroit Diesel. The coolant capacity can vary significantly based on the engine model, radiator size, and whether auxiliary heating/cooling systems are present. Always consult your specific vehicle's owner's manual for the exact capacity.

Flush Interval

Proper coolant maintenance is crucial for the longevity of your engine. Always refer to your owner's manual and the coolant manufacturer's recommendations.

• Normal Duty: Typically, extended life coolants meeting the specified standards (e.g., Detroit Diesel DFS93K217, ASTM D6210) have a service life of up to 600,000 miles, 12,000 hours, or 6 years, whichever comes first.
• Severe Duty: For vehicles operating under severe conditions (e.g., heavy loads, extreme temperatures, dusty environments, frequent idling), it is advisable to inspect and test the coolant annually and consider more frequent flushing, potentially half the normal interval.

Regularly check the coolant