2018 Freightliner M2 106 Oil Capacity & Filter Specs

The 2018 Freightliner M2 106 with a Cummins ISB 6.7L engine takes approximately 17-19 quarts (16-18 liters) of 15W-40 CK-4 diesel engine oil.

Quick Answer

• Oil Capacity: 17-19 quarts (16-18 liters)
• Recommended Oil Weight: 15W-40
• Oil Type Specification: API CK-4 (or CJ-4, CI-4 Plus in a pinch, but CK-4 is preferred for newer engines)
• **Oil Filter (Cummins ISB 6.7L):
  • OEM Part Number:** Cummins 5262313 (or consult dealer/Cummins parts catalog for exact match based on engine serial number)
  • Fram Cross-Reference: CH10702
  • Wix Cross-Reference: 57077
  • Mobil 1 Cross-Reference: No direct Mobil 1 equivalent for this specific heavy-duty application; use OEM or other dedicated heavy-duty filters.

Capacity by Engine Option

For the 2018 Freightliner M2 106, the most common engine is the Cummins ISB 6.7L. However, other engine options might exist, each with its own oil capacity. Always verify your specific engine.

Oil Change Interval

The oil change interval for your 2018 Freightliner M2 106 largely depends on its operating conditions and duty cycle. Always refer to your owner's manual or maintenance schedule for precise intervals.

• Normal Duty: Typically every 20,000 to 25,000 miles or 500 operating hours, whichever comes first. This applies to vehicles used primarily for highway driving with minimal idling and light loads.
• Severe Duty: For vehicles operating under heavy loads, frequent stop-and-go driving, excessive idling, dusty environments, or short trips, the interval should be shortened. This could be as frequent as 10,000 to 15,000 miles or 250-300 operating hours.

Regular oil analysis can also help determine optimal extended drain intervals.

Drain Plug Torque

For the Cummins ISB 6.7L engine in a 2018 Freightliner M2 106, the drain plug torque is typically 37 lb-ft (50 Nm). Always use a new drain plug gasket or crush washer. Failure to do so can lead to leaks.

How to Change the Oil

Changing the oil on a commercial truck like the M2 106 requires proper equipment and safety precautions. If you're not experienced, it's best left to a professional.

1. Warm Up Engine: Run the engine for a few minutes to warm the oil, making it flow more easily.
2. Park Safely: Park on a level surface, engage the parking brake, and chock the wheels.
3. Locate Drain Plug: Place a large oil drain pan (at least 20-quart capacity) under the oil pan drain plug. Unscrew the drain plug and allow all the old oil to drain completely.
4. Replace Drain Plug: Install a new crush washer/gasket on the drain plug and re-install it, torquing to the specified 37 lb-ft.
5. Remove Old Filter: Loosen and remove the old oil filter. Be prepared for some oil spillage.
6. Install New Filter: Apply a thin film of clean oil to the new filter's gasket. Spin on the new filter until the gasket makes contact with the mounting surface, then tighten an additional 3/4 to 1 full turn (or according to filter manufacturer instructions). Do not overtighten.
7. Add New Oil: Remove the oil filler cap and pour in the recommended amount and type of new oil. Start with the lower end of the capacity range and add more as needed.
8. Check Level: Start the engine and let it run for a few minutes to circulate the oil. Turn off the engine, wait a few minutes, then check the oil level with the dipstick. Add more oil if necessary to reach the "full" mark.
9. Reset Maintenance Light: Reset the oil change indicator if applicable, following instructions in your owner