Nov 6, 2020

Thank you in advance. I would say check out the International engine. that engine is still fairly new on the market & would wait about another 5 yrs before purchasing one of those & then i'd still be hesitant. Atleast with the Cummins, I can drop it off and go back to the house. Forum > PACCAR MX OR ISX? I’m hoping PACCAR brings them into the fold and gets them some training soon so I can get a repair if one of my guys does get stuck out in Timbuktu or somewhere. Paccar’s MX13 diesel engine has power ratings from 380 to 500 horsepower. Fuel economy is a definite plus. The only complaint I get from them is about the engine brake. The highest-mileage engine is at 85,000 miles right now. My drivers really like them: We have a fleet mixture of Cummins and Detroit power. I have had them both. They say you can’t hear the turbo spool up and engine brake noise is nonexistent. Better yett, Build a glider Kit. My Kenworth dealer can. The only problem I know of with the ISX is the EGR valves go out around every year and a half tor them. Paccar’s MX13 diesel engine has power ratings from 380 to 500 horsepower. In fact, they’re getting the highest MPG numbers for any engine in our fleet right now. And one guy – my best driver – is consistently getting 7.5 MPG. We have had the usual trouble with emissions equipment, catalysts, ect. #1. bubbawayne00. I have zero experience with either of those engines but if forced to pick one it would boil down to HP and torque. Our service support has been very good. The MX and ISX both use the same aftertreatment system exhaust. We don’t have a lot of miles on them yet. Thanks again for all of the advice. But in a lot of cases, the Kenworth dealers still don’t have the diagnostic equipment, either. :P. PACCAR has gotten better over the last few years. The new Cummins X15 will be out soon. In terms of power, performance and fuel economy, they are great. The fuel economy on the engines has been good. It is the latest engine of the B-series engine family, produced by Cummins. Thank you guys for all of your input. We ordered new ultra-light KW T660's in 2009 and 2010 with ISM's, Had a 2008 KW T800 ISX. What is an “undefined” code? I would go with the ISX. < > Showing 1-7 of 7 comments . In fact, they’re getting the highest MPG numbers for any engine in our fleet right now. The 6.7L Cummins Engine is developed by one of the fortune 500 companies of the USA i.e., Cummins. But he thinks anything over 62 mph is speeding. It’s just too complicated. 350 Cummins – The 350 Cummins and the Big Cam Cummins engines were reliable but not especially good on fuel economy. My only complaint so far is that not a lot of people know how to work on them yet. Maintenance has been very good. As far as packaging goes, it’s a very-well designed engine. It’s also a driver-friendly engine in terms of a pre-trip inspection. Suitability for your application/business. fitzgerald out of crossville, tn; cheaper than new epa engines & better fuel economy. It’s just that the drivers are used to the Cummins brake on the high-displacement engines. I’d like to be able to do the diagnostics in my own shop. Paccar is typically an fuel economy engine. Maybe I will just keep my '03 flattop with the 6nz around a little longer! And that’s a very aggressive engine brake. I’d like more information when I get a fault code. So they don’t think the stopping power is as good. The drivers are generally happy with the engine. Both suck hot air and I have driving a K100 with a Detroit engine that had 450 HP and would put bothe of the said engines to shame. Then they look at them and send you a fix. The fuel economy on the engines has been good. But nothing like the 2008 ISX. Both suck hot air and I have driving a K100 with a Detroit engine that had 450 HP and would put bothe of the said engines to shame. Just hoping you guys might be able to offer some guidance on making my decision. I'd like to try the new PACCAR engine, but I have CAT, Cummins, Detroit here in our small town. © Valve Corporation. Big Cam Cummins; 1693 Cat – This is one of the best Cat truck engines. Kinda nervous about a buy of this dollar amount and want to avoid any potential mistakes. My drivers really like them. CCJ Magazine covers fleet management topics ranging from technology, freight, logistics, equipment, and more. also what u could do is; get u a glider kit with a detroit. Am going to be purchasing a new flattop 389 Peterbilt, been hearing good about the Paccar MX motor and the Cummins ISX. > The engine features a compacted graphite iron block, a high pressure common rail fuel system and a 1 million mile B10 design life. I bought three for starters and since have added six more. Take the MX if it's enough but if you need more than 480hp then the ISX is the only thing out there in a new Pete. But all of them are routinely in the mid-6s on MPG. But the packaging is good and access to the engine is good. You can’t call an outside repair shop. But they’re doing a good job. All rights reserved. In terms of power, performance and fuel economy they are great. The whole process is too cumbersome. They’re so new you pretty much have to go to a Kenworth dealer to get them repaired. Español - Latinoamérica (Spanish - Latin America). I'm a yellow guy, so first I'd say niether. I too am hesitant to purchase a new truck with the PACCAR engine (eventhough I'd love to try it) based on the location of the dealer. For me it makes a difference in the dealer. Torque ratings range from 1,450 to 1,850 lb.-ft. Note: This is ONLY to be used to report spam, advertising, and problematic (harassment, fighting, or rude) posts. And no one can read the engine software. We’ve been running the MX13 for 8 months now. But I’ve had five “undefined” codes on the engine so far. I've checked it out and it is not much more than what I paid for my new KW. We haven’t had to do any serious repair on them yet – just general service and tune-ups. It’s a very technician-friendly engine. And the drivers tell me the PACCAR is the quietest engine of the bunch. Looking for a little advice. They are doing heavy haul in the oilfield and are averaging 6.5 MPG for the fleet. Cummins provides more power to pull. But it is. Posted by a private member. Our KW dealer in NE has treated us very well, but they are 150mi one way, and Peterbilt is 105mi the other. You can feel it kick in – but you can’t hear it. The process takes too long and needs to be streamlined. Most of them aren’t trained on the engine and don’t even know what they’re looking at. whichever is not so epa hogtied and will run without issues. But nothing like the 2008 ISX. paccar vs cummins engine Which brand is better? Torque ratings range from 1,450 to 1,850 lb.-ft.

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