Have had both the X15 Performance (2019 Pete 579 w/ 565hp/2050tq) and the X15 Efficiency (2020 KW T680 w/ 500hp/1850tq). The Pete ran without a hitch. Put about 120k on it before switching. The KW has over 200k miles and just dropped all four valves in one of the cylinders. Complete rebuild. Will have to fight Cummins on the warranty as they denied the claim. Pete was a company truck. KW was a lease. Cummins claims driver error. Both were Eaton autos.
X-15 Cummins thread
Discussion in 'Peterbilt Forum' started by KB3MMX, Feb 26, 2018.
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Cost of warranty! I think 605 is $5000 more. What is your application?
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I love all the stories lately of how a major component failure requiring a rebuild is somehow denied.
Cummins and Detroit.
All are proud of there engines as long as you don't have a problem, especially a big one. -
Cummins claims over 100 instances of neutral being engaged while going downhill, over-revving (ecm read 2348 as max registered RPM. Truck was governed at 2k and 75mph), and over-speed (max read was over 100mph).
My theory is that all of those things were done before I got into the truck as I’ve never noticed an over-rev and certainly haven’t engaged neutral down any hills. I also have not gone anywhere near 100mph in it.
I asked for timestamps on the listed instances and haven’t received a reply. I had to query the shop where the ecm was uploaded to get even that.
I would also agree with you. I’ve heard of at least four separate cases of valve drops with the same engine within the last couple years from other drivers. Repair will cost $25,000.NWAF, BigHossVolvo, Accidental Trucker and 1 other person Thank this. -
2350 RPM ain't going to drop a valve. I call B.S.
Last edited: Oct 15, 2020
NWAF, BigHossVolvo, OOCorp and 3 others Thank this. -
And on a side note for our younger viewers that think a new truck is the end of all your troubles...........
Does the payment and insurance stop while something like this is being hashed out???
No. It does not. -
I got ahead of it to stop the bleeding and will be closing on a used truck next week.D.Tibbitt and Dave_in_AZ Thank this. -
BigHossVolvo and OOCorp Thank this.
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