Experiences with a Cummins X15 good/bad? - TruckersReport
Dec 10, 2015 · All that said, there is some good reason people don’t like them. They don’t last as long as the engines like the 3406 or Series 60. But neither did the 855 Big Cams or the N14. However, unlike the Big Cams and N14, the X15 requires more specialized tools and knowledge of which the latter half Cummins will provide you for free with a CPL number.
X-15 Cummins thread - TruckersReport
Feb 26, 2018 · If I bought an x15 and wanted more than 6 mpg I'd get the economy version and probably 485 with the split 1550/1750 torque. That's what I'll get if I have a company driver in it. If I buy an aero truck it would be the 450 horse one. I just couldn't bring myself to put less than about 475/485 in a hood.
Cummins X15 horsepower ratings - TruckersReport
Aug 17, 2019 · While engine displacement is the same, different HP ratings do contain different internals, such as pistons, cams, injectors and so on. This holds true for Cummins and I would imagine most other current engine manufacturers. The days of flashing software to increase HP and torque ratings are for the most part over.
Cummins x15 overhaul - TruckersReport
Oct 16, 2011 · Not sure but you may also price a long block or crate engine. May be higher but would get full factory warranty. But you’ll have to replace a lot of components. I know a DD15 crate engine with everything including clutch snd new radiator snd other accessories came out to 48k with labor engine came with a 5 year/500k warranty from Detroit dealer.
X15 Efficiency vs Performance - TruckersReport
Jan 12, 2019 · I was planning to run 3.06 super 40ies. 1300 rpm @ 68 mph. I cant decide on an engine though. Heres what Ive heard x15 performance: no issues, may not like low RPMs long term, average 5.5 - 6 mpg X15 efficiency: great mileage 7 - 8 mpg, may blow up in the first 100k, has a loud vibration that no one can fix
ISX15 to X15 Swap - TruckersReport
Jun 26, 2019 · We completed swap and truck starts and runs good with the ECM from the original engine(ISX15). Now the problem we are having is the new engine’s ECM(X15) will not communicate with CCU. The cruise control, eng brake, or the cluster do not work. Now when the original ecm from the ISX15 is put on the X15 everything works good.
X15 performance hp/tq increase - TruckersReport
Jul 14, 2019 · I have a 18 Cummins x15 performance. Only 89k on it. Was thinking about asking Cummins to increase the hp and tq. Its at the stock 565/1850. I was told...
Cummins X15 - TruckersReport
Mar 27, 2012 · Cummins recently unveiled their new 15 liter engine called x15, (succeed after isx15). What do you guys think about engine, the performance package,...
2019 Cummins x15 Slow no power on hills - TruckersReport
Jul 31, 2020 · Their is a engine repair place here in the States called Pittsburgh Power. The build high power Cummins engine and others. They can tune the ECM and and change settings so it run better then stock. They also seem to know a lot about how the engine works. They fix the problems thedealer can't fix.
Reliability of Paccar MX-13 vs cummins X-15, what do you think?
Jun 26, 2021 · MX13 also has a few flaws in it like the plastic coolant fittings. X15 handles ideling better then the MX13 and wont clog as fast but its still an emissions truck. MX13 requires a fuel filter change every 15k if you even so much as let bio diesel look at it or it will throw a check engine derate at you. X15 is more tolerant of sloppy maintaince.