2013 — 2026
12.8L (OM 471) - 421hp to 530hp
Diesel
While climbing a steep gradient under load, observe the PowerShift 3 transmission behavior. | Note: Smooth gear changes are expected; any erratic shifting or hesitation could suggest that the clutch actuator may eventually require a calibration or inspection.
Check this by monitoring the AdBlue/SCR system readiness light on the dashboard. | Note: The OM 471 engine relies heavily on emissions equipment; ensure there are no active warnings, as these systems can be complex to address if they have been neglected.
While idling, listen closely for any unusual whistling or high-pitched air leaks from the braking or suspension circuits. | Note: Air leaks are common on heavy vehicles of this age and are often related to aging rubber seals within the pneumatic system.
During the inspection, check the chassis rails and cross-members for excessive surface corrosion or signs of heavy-duty stress. | Note: While these trucks are built for tough work, it is wise to ensure the structural integrity matches the vehicle's service history.
Usually marks the period where cooling system hoses and secondary ancillaries benefit from a thorough inspection.
A common point where transmission fluid servicing and internal clutch wear assessment becomes a prudent part of your fleet management.
Often the time when major engine sensor health and high-pressure fuel system components are reviewed for long-term reliability.
Perform an oil analysis at every service interval to monitor internal engine wear trends.
Keep a close eye on the intercooler piping for signs of oil misting or potential boost leaks.
Ensure all electrical connections around the engine bay are clean and free of corrosion to prevent sensor faults.
Regularly inspect the condition of the air dryer cartridge to keep your pneumatic systems moisture-free.
Verify that the DPF regeneration cycles are completing successfully during longer highway runs.
Estimated repair costs if issues arise
Depending on the vehicle's past usage, you might eventually need to budget for a complete clutch kit replacement as the mileage climbs.
If the emissions dosing system shows signs of reduced efficiency in the future, it is common to consider professional servicing or potential sensor replacement.
In trucks reaching higher operational hours, it is helpful to plan for the eventual professional testing or refurbishment of the high-pressure fuel system.
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Disclaimer: This report is generated with the assistance of AI analysis based on verified automotive data. While we strive for 100% accuracy, enthusiasts should always conduct physical inspections and consult service records. View Full Disclaimer