Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
Limited mileage data: 1 of 1 reports include usable mileage. There isn’t enough coverage to show a useful chart.
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
Fuel System, Diesel. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
0 crash reports1 fire reports0 injury reports
What owners actually said
1 reports
12,485 miles · Feb 25, 2008
Fuel System, DieselFire
TL*THE CONTACT OWNS A 2006 FREIGHTLINER XC. WHILE DRIVING 60 MPH, THE FUEL LINE CRACKED AND DIESEL AND SMOKE BEGAN POURING OUT OF THE VEHICLE. THE VEHICLE WAS TOWED TO THE DEALER AND THEY STATED THAT THE FUEL LINE CRACKED. THE VEHICLE WAS REPAIRED. THE CURRENT MILEAGE WAS 12,650 AND FAILURE MILEAGE WAS 12,485. UPDATED 0…
Read full complaint
TL*THE CONTACT OWNS A 2006 FREIGHTLINER XC. WHILE DRIVING 60 MPH, THE FUEL LINE CRACKED AND DIESEL AND SMOKE BEGAN POURING OUT OF THE VEHICLE. THE VEHICLE WAS TOWED TO THE DEALER AND THEY STATED THAT THE FUEL LINE CRACKED. THE VEHICLE WAS REPAIRED. THE CURRENT MILEAGE WAS 12,650 AND FAILURE MILEAGE WAS 12,485. UPDATED 03-19-08 *BF THE CONSUMER STATED THE SERIAL NUMBER FOR THE CUMMINS ENGINE IS 46503962 AND CUMMINS REPLACED FUEL LINE WITH A BRACE ON IT AND WITHOUT THE FUEL LINE WILL CRACK DUE TO VIBRATION. UPDATED 03/19/08 *TR
ON CERTAIN MOTOR HOMES BUILT WITH CUMMINS ISL CM850 DIESEL ENGINES, THE CONNECTING ROD CONTAINS A MACHINING DEFECT IN THE WRIST PIN BUSHING OF THE ROD THAT COULD CAUSE A SEIZURE OF THE PISTON PIN.
Consequence & remedy
Consequence: IF ALLOWED TO PROGRESS, THIS CAN LEAD TO ENGINE FAILURE WITH THE POSSIBILITY OF THE ROD RUPTURING THE LOCK CAVITY, OIL AND DEBRIS ON THE ROADWAY AND VEHICLE CRASH.
Remedy: FREIGHTLINER IS WORKING WITH CUMMINS TO RECALIBRATE THE ENGINE CONTROL MODULE AND ENHANCE THE ENGINE PROTECTION SYSTEM ENABLING IT TO PROVIDE EARLY DETECTION OF THE FAILURE MODE AND AVOID MORE SERIOUS ENGINE DAMAGE AND RESULTANT SAFETY HAZARD. CUMMINS WILL ALSO INSTALL A NEW VALVE COVER WITH A CRANKCASE PRESSURE SENSOR FREE OF CHARGE (PLEASE SEE 07E033). OWNERS MAY CONTACT CUMMINS AT 800-343-7357 OR FREIGHTLINER AT 1-800-547-0712.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
0
No exact-year investigations in this snapshot.
2006 Freightliner XC-R Problems, Complaints & Recalls | Skip That Year
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