2015年12月10日 · Looking at a truck with a Cummins X15 with 400K miles at a dealership. I know every engine has its issues but it seems if I don't go with one of them I'll never get any of them. …

2019年8月17日 · A "400 HP economy engine" like an X13? Sure. They aren't going to build a special nerfed x15 to do what an x13 does, too much production/parts cost. An X15 is an X15. …

2018年2月26日 · 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 …

2019年1月12日 · 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 …

2016年9月10日 · Cummins did a good job with the X15. They eliminated the IS. The whole world will thank them. I wouldn't buy a new model of anything in the first year. Even when they claim …

2011年10月16日 · 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 …

2019年6月13日 · Ive got an X15 Performance that keeps throwing FC3383. Engine Exhaust Gas Recirculation (EGR) System - Data Valid But Above Normal Operating Range - Moderately …

2020年4月23日 · 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...

2019年6月13日 · Ive got a pair of Cummins X15 Performance engines throwing the following codes, 5895 - Engine Misfire Cylinder #1 - Root Cause Not Known 5896 - Engine...

2019年6月26日 · I am needing help with a swap we are doing in our shop. We had a 2014 PETE 579 come in with a seized ISX15 engine and the customer decided to swap for a X15. We …