A friend owns a fleet of 65 or so Mack MP8's, less than a year old.
Has been having a lot of issues with the DEF systems. Trucks will derate and have to go in for warranty work. Of the 65 trucks, over 20 have had this issue. Some with as low as 40k miles. Some have been dosers, others sensors, others total def system tear off and rebuild. All the issues have been with either the SCR or the DEF system on these trucks.
These are Frak sand trucks, so think similar duty cycle to the paver trucks hauling asphalt for consideration.
Anyone know is this OEM issues, duty cycle, just poor design?
Really any insight at all would be helpful. Trying to wrap my mind around the issue and what's causing it.
Question
KDog Trucking
A friend owns a fleet of 65 or so Mack MP8's, less than a year old.
Has been having a lot of issues with the DEF systems. Trucks will derate and have to go in for warranty work. Of the 65 trucks, over 20 have had this issue. Some with as low as 40k miles. Some have been dosers, others sensors, others total def system tear off and rebuild. All the issues have been with either the SCR or the DEF system on these trucks.
These are Frak sand trucks, so think similar duty cycle to the paver trucks hauling asphalt for consideration.
Anyone know is this OEM issues, duty cycle, just poor design?
Really any insight at all would be helpful. Trying to wrap my mind around the issue and what's causing it.
Thanks in advance!
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