Advice on IXS 15 550 HP or MX 500 HP

Some interesting reading

http://www.jdpower.com/consumer-rat...mission+Customer+Satisfaction+Study/index.htm

The mx seems to be ranked pretty low......

 

Any more updates on the 500hp MX motor. Dealer says we will take delivery in T880 in 6 weeks.

 

How are the 2012 isx Cummins motor....do they last...any problems

 

Yes we have Paccar motors in them. But the new ones will have Cummins so we can get others to work on them besides having to go to Paccar. Their service is terrible and rates are about $35. an hour higher than others.

 

Yes they last - 350,000 kilometers pulling Super-B's. Too many problem to list but one of the big problems is back pressure that allows abrasive soot into the moving parts of the ISX 15.

ISX 15 - worst motor in the history of motors. Gigantic engineering blunder that Cummins has no interest in correcting. See US class action lawsuit statements of claim for the gory details.