DD15 VS Cummins ISX
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- Опубліковано 25 лип 2024
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In this video DD15 VS Cummins ISX I go over both diesel engines, the DD15 and the ISX. I get questions all the time asking which engine is better. This video will go over the initial cost, maintenance and durability of the DD15 and the ISX.
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TAT Express Inc.
972-225-3017
4140 Langdon Rd.
Dallas TX 75241
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Great presentation. First time viewer and subscribed. I’m about to buy first truck to become O/O.
Very helpful! Thankful for the channel.👍🏾🙏🏾
I just hit 1mil miles on my DD15 got it with 300k never had big problems “knock on wood” lol I’ve done all work my self. Happy with the DD15.
ER1191, thanks for your input. All platforms can be a solid engine with good maintenance. 💪🏼🔧👊🏼🇺🇸
hi ER. what type of oil you use? any additives?
D K No sir never just Delvac oil as recommend, and to be honest don’t follow what I say but iv alway changed my oil my self at 35k miles.
@@ER_666_ I have been using chevron. It is also approved by Detroit.
@@ER_666_ damn bro that’s good as heck. I’m on my second dd15 first one went way over 1 mil until truck was involved in accident had to get another . Bought second one at 500k miles I’m at 880k with no major problems. Only problem with DD15 is the emissions BS. Deleted it........ Sike 😉
Historically I’ve been a Cummins fan, spent most of my career driving Cummins. In the past couple of years I found myself driving a DD15. Just recently I returned to a Cummins. In my opinion the ISX idles rougher an uses more fuel and produces more noise. Conversely the DD15 is smoother, quieter and uses less fuel. As far as pulling a hill I feel like they are both about even. If I were to choose I would now choose the Detroit. It is easier to live with and more economical. As a driver you spend a lot of time sitting right behind a huge motor, you might as well make it as comfortable as possible. As an added bit of information I’ve also driven Cats before they stopped putting their engines into trucks. They were great for low end grunt but I never really cared for them as a highway engine. DD15 has gobs of low end grunt but does really well as A highway engine. The ISX and Cummins in general is a good highway engine. The Detroit is the best of both, in my opinion.
Nah my Cummins noticeably stronger than dd15. Cummins sounds old school and I like it, DD15 sounds gay and european. I’ll take a newer freightliner over a Cummins any day but the engine ain’t better.
I just put a Hold on A freightliner with a Cummins On and I’m Flying to go see it and your video give me a little bit more confidence
I’ve been waiting 9 months to get a truck so I can head to your shop. and guess what, I Drove all way from Vegas just to get an oil change! I’m excited.
Great videos, thank you for not being biased or arrogant
Thanks for watching and thank you for the support. Make sure to subscribe and turn on notifications.
We Bought ur old location ! One on Wilmer tx finn road ! Heard a lot of good review about tat keep it up! Take care !
Very helpful I just purchased a Day cab Cascadia with the DD 15 700k so far so good
Thanks for watching. Be sure to subscribe
I just purchased a 2014 Cascadia with a DD15/13 speed. Got it from the original owner. He spec the truck for himself. $812k miles. Always serviced at freightliner. He’s retiring after 40 yrs on the road. At 70 years old. I bought this truck for a great price and it’s condition. But the main reason was that it’s a one owner truck. Owner operator spec and purchase. It has a couple of minor oil leaks and needs a few little things. But I’m happy with the buy. I looked at a 386 Pete with a rebuilt cat C15. It was good too but I was also looking at repair costs and parts availability out on the road. Pete and cat parts are expensive and hard to find sometimes.
STILL RUNNING MY TRUCK … 932K MILES
Great video brother i going to open a shop here in SoCal very soon
Good video. I have a 2010 & a 2012 Cascadia the 10 has 1,080,000 mile the 12 has 1.1 million. Maintenance on both is the same, cam box resealed, injectors and o rings on oil pickup tube. The dd15 is great.
Barry, thanks for the input. A good maintenance schedule is very important.
Did you have to rebuild them at all?
I love your sharing your value experty. Would you please advise me which engine DD15 compare to IX15 which one save more gas? Thanks
I'd like to see more of these comparison motor vids...Paccar, Volvo, etc. Maybe do auto and manual transmission compare also ?!?
west2401 I will do. Thanks for watching. 🇺🇸
🔧💪🏼👊🏼
And maybe a video disussing the pros and cons of purchasing a newer truck vs an older truck with an older, pre-emissions motor and having it rebuilt.
Thanks Adam for heads ups on these engines. Me myself I have a dd15 ... maintenance is the key
west2401
PACCAR🤮
@@jjgr661 lol
Great job on video. I have a 8-71
Never had a problem with her it's in my 1971 truck...............
Everyone what for it..
But really just love the old Detroits, I allso own a 3-53
In a piece of equipment.
Thanks for sharing your experience. Be sure to subscribe.
I have the dd16 in my 4900 and it’s been over all a great motor
Brother I am following ur video and very respect ur informations because u had experience for repairing thank u A lot
Great comparison between the two. Where I used to work we could get over a million miles on the Detroit.
Rusty Glovebox yes older Detroit’s were very durable and dependable engines. 🔧👊🏼🇺🇸💪🏼
Had two ISX15 2012/2014. Always in the shop with regen/sensor issues. Traded in for a pair of ishift D13 2.64 rear, difference is night and day. Lower fuel/DEF consumption, higher bottom line.
Aftertreatment systems can be a pain sometimes.
Sounds like you spec’d the first pair wrong for the application. Going down in displacement makes the engine work harder and keeps the aftertreatment hotter and happier. Apples and oranges unless you traded for DD15’s. Just my 2 cents.
N Bolin, thanks for the input. Be sure to subscribe. 👊🏼💪🏼🔧🇺🇸
@@nbolin7803 question, im buying a DD15 with 505HP. I think the dealer increased the HP. Is this an issue?
@@willmalloy4940 there is a high/low power setting in the ecm. If this is set to high then it is fine as it’s still running original parameters from Detroit. Be careful with deleted DD15/16. The delete place increases the fueling to “add power” as an up sell. I’ve seen big issues with fuel diluted lubrication causing liner failures on deleted engines.
Ur doing a great service to humanity
My truck (208 kw T800) has the ISX 485. The engine has 30,000 miles and is on its second turbo and fuel lift pump. That being said, it’s a powerhouse. I don’t have any trouble running Lookout Pass on I90 at the Idaho/Montana border at 63mph (darned governor) @75k gvw, with just a 10 speed. That being said, I’m looking at another truck with the DD15, so this video is a good comparison
Adam hi, thanks fir great videos you sharing with us, quick question do you guys do alignment on trailets too?
Alpha, we do not. Thanks for watching and thank you for the support. Make sure to subscribe and turn on notifications.
I’m thinking to get Cascadia and there are two options: with DD15 and ISX15. Is new cascadia with Cummins15 engine 450 hp, 2.85 ratio - good deal ?
I drive a cascadia with a DD15 , so far NO issues with engine , only time had an issue was the emmissions only two times had a check engine ligh on becuase of that , so far 280,000 miles on it ..👍
Thanks . Have they made any changes in 2017 or 2018, thanks again for your help.
Jarbir, they have made changes on ISX15. Check out my video on most common issues on a ISX15
If I was looking for a pre-emissions engine do you have any recommendations?
Hey. I'm from New Zealand. I have a 2017 freightliner argosy with a DD15 565hp 1850ft lbs. 535000kms. The DD15 motors aren't a favorite here in NZ. They may have similar power to a isx but get to pulling up a long big hill and the isx just powers away. But the DD15 does have a better jake brake.
Cummins is very powerful when it comes to climbing a Hill🗻.....
Could it be the transmission gearing and program? I just recently cam out of a '19 Freightliner Cascadia with the DD15 to a '22 KW T680 with the IMX. The Cascadia holds 12th gear for dear life for fuel efficiency, but sacrifice pulling power in the mountains. I can downshift early to stay in the powerband, but it won't do it automatically. At least the Freightliner Cascadia gets excellent MPGs. As for the KW T680, it does the opposite.
It all depends on a gear ratio and transmission as well. On my DD15 455 HP, I got eaton fuller 13 speed smart shift and 3.36 ratio. I'm ripping off most of the trucks on a hills even when fully loaded 80000 lbs. But also, I can go 75 mph at 1500 rpm.
Hola ,yo tuve un pete 387 con un Cummins isx y tuve una mala experiencia,ahora tengo un cascadia 2013 llevo un año con el y ha sido muy,pero muy buen camión,los dos son buenos,yo prefiero el Detroit,Gracias por compartir el video .Saludos desde Victorville California
We are in the same town that's awesome 👌
What is the difference between the Cummins ISX and X15 engines? Which one do you think is better? Just subscribed so looking forward to seeing what information you have to offer.
Driving truck is not for speeding, Best thing as fleet owner is maintenace and emission cost. Thank you for good info.
I’m looking into purchasing a 2010 kenworth t800 it has a Cummins isx. What are your thoughts on the isx? Is it a good motor?
Volume is too low, your close intro has a higher volume. The info on both engines is good and thank you for sharing!
It’s ur cheap Samsung 😝
Your right👍 maintenance is key.
I have owned the DD15 & had really good service from that engine. I now run a Cummins X15 & am having the same great service. I do oil changes at 20K & the biggest part, VERY LOW IDLE TIME, I mean less that 10%, if you can do that either engine will treat you well.
Thanks for watching. Maintenance is key and low idle times are very helpful. That is why there is a idle shut down programmed on truck.
I’m in Southern California going to run a 75 mile radius. Don’t ever idle even in summer. I’m looking to get a 2016 international 400 Cummins with 200,000 miles. Found one for 3500 down 998.00 a month. Hoping my set up works out in real life operations. Scared but going to move forward
I’m keeping my Series 60. You fellas can have the DD15 & ISX.
Thanks for watching and thank you for the support. Make sure to subscribe and turn on notifications.
Me too
I have 890,000km on my deleted isx running 720 hp tune. Runs great still. But in bc or places with lots of hill it guzzles the fuel
I fucked up selling mine dont do it
YUP!
You are making great videos for trucking, just wondering does Cummins x15 come with the coolant filter?
Mine does
Mine also. It’s on the passenger side of the motor!
Weve had engine problems on 2 of our dd15s one at 800k and the other at 1mil miles. A big issue is drivers pressing the override button when the engine is trying to protect itself for low water or oil. On both trucks it was cracked liners that cause water to go into the oil
Sounds like driver problems not engine problems
FWIW anecdotally I have seen a lot of comments from DD15 users that oil issues can arise. That is the biggest knock I've seen on this engine.
I was considering a DD 15 with 1.1 million miles Never been rebuilt. Any recommendations?
Great video and a place to call if anyone had a question before purchasing their unit. But for me today’s ISX are disposable engine that will visit any repair shop ten times more then if you run a DD15. Maintenance is key and for maintenance you will need to go to repair shops but Detroit engines fails a whole lot less then today’s isx engines. Now before cummins was my number one go to engine but not after 2012 models came out.
New platforms usually have bugs to work out. The latest model engine seem to be doing a little better. Thanks for the feedback and yes maintenance is key.
@@TATEXPRESSINC Latest model engines starting at what year?
Solid Info bro!
We are looking at taking an ISX for a somewhat good deal. AS long as they are dependable motors, I think I'll bite.
Good day. I’m working on a 2012 KW with a isx15. Truck code keeps saying to service the Dpf and the Scr system I hard them both cleaned. Put all new temp sensors and out put Nox. Still saying the same and won’t regen. I’m leaning towards the ECM that controls it. There seems to be a lot of codes for the same issue. Pins and plugs look very good at the ECM. Do you think it could be the problem ? One code says the engine exhaust temp is -40 also. And I replaced it too. Nothing changed. Any thoughts would greatly be appreciated.
Personally whatever motor you own its life will depend on maintenance and your Mechanic,got a dd15 swallowed a valve at 650k mls decided on an inframe 5mo later still mech bs me around getting another truck cant wait any longer
What are the recommendations for Volvo dd15 diagnostic tool?
Would this apply to diesel pusher motor homes, and engine use in that application?
Andrew, in this video I am comparing the DD15 vs Cummins ISX. It would not apply to any other engines. Thank you for watching and hit that sub button.
I’m looking to buy a cascadia dd15 2015 with 600k should I grab it you guys think I will have problems with it? I checked for leaks or spills but I didn’t saw anything how long do you guys think the trany and motor can last on it? Thanks
What about an ISX dated from 2006? I’m heading to look at a 9900 eagle with a build date of June 2006, only has 460k original miles on engine, as well as the rest of the chassis. How was that engine? I believe it’s the CM870 then.
There is something I’m curious about can trucks with automatic transmission change to manual transmission
Tengo un freightliner Cascadia 2014 Cummins isx tengo un 545 68 diagnóstico 1 spn 171 deful 5 what the problem?
What does a after treatment include
Are the d13 a good motor
Thanks for sharing the video. A friend who is a mechanic recently told me how bad the DD15 engine is and how he does not recommend that engine. They seem to be similar in many ways.
🤣 My mechanic told me not to buy anything else but a D-troit
then some say to only buy pacar and others to only buy cummins .. it's all the same 💩
I’m looking at buying a kenworth 2015 with a Cummins 500hp. It has 6900 hours on engine. It will be used as a lowboy application. It will get on average 750-1000 hours a year. What’s your thoughts
I run a ISX 600 with 2050 tq and flat out eat 99.9% of the trucks out there from coast to coast weekly. We do heavy maintenance schedule oil at 10-12k and PM's always early. Just hit 800K and oil samples show minimal wear. We are hoping the three trucks will in our fleet will hit 1.5 mil each before inframes.
Twin, I appreciate your input. In the video I am talking about the ISX15
How did you get 600hp?
@@nunu6158 ISX cm2400 do offer 600hp stock,
From my experience driving different trucks over the last 5 years Detroits seem to run a little smoother under load. Every Cummins equipped truck I've driven shakes going uphill. I think a lot of their good reputation comes from the pre-dpf engines
5 years is not much though
@@kamtarbol five years is more than enough
If someone get in college in five years he’ll get phd and probably design your next motor
@@mintos2089 no
Haha their reputation comes from passing your slow ass up any and every hill. Dd15 are complete trash only one that maybe shakes a slight stick is a dd16 and thats iffy at best. Isx, x15 will allll drag your ass all day long and you never see them again
ISX is garbage......and I've had Cummins products. Chews up cams, VGT and emission control dramas, dropped liners
Thanks for info
Yes sir. Be sure to subscribe
Thanks for the information but I assume you are talking Tractors but what about smaller engines for Box Trucks like Freightliner M102. Would these comparisons be the same? Thanks!
Cummins light duty would have to be a different video. I’m talking about class 8 trucks. Thanks for watching and be sure to subscribe.
@@TATEXPRESSINC thanks
How to spot when an engine had frequent preventive maintenance? Is the evidence only through paperwork?
What did kenworth say about automatic transmission service and rearend service
TJ I would check with your owners manual for service intervals. Usually 3 boxes are recommended every 500k
You're a godsend. Thank you brother!
You are welcome sir. 🔧👊🏼💪🏼
Hey TAT, can a natural gas engine be converted into a diesel engine? OR What are the advantages of a natural gas engine?
I have a ditroit 14. 60 with 1milion 175 thousan miles . I am the secon owner off this truck I get it's with 400 thousand miles on...change turbo cloche and radiador. I am happy with my truck. Freightliner Colombia 2006 .
How is an overhaul + labor for a DD15 cheaper than a fuel pump + labor for an isx
nice video very informative
martyn whitby1975 thanks for watching. Make sure to subscribe. 🇺🇸👊🏼💪🏼🇨🇱🔧
Aways dd15 the best.
Thanks for watching. If you haven't subscribed and hit the notification bell be sure to do that so you don't miss new video releases
Thanks for watching and thank you for the support. Make sure to subscribe and turn on notifications.
What is the best DD15 ou D13 volvo?
2016 Freightliner Coronado with 500/1850 isx15, 18 speed, 3.58 ratio, highway spec with 660000 km (410193 miles)or same truck with 505/1750 dd15, 18 speed, 3.58 ratio, highway spec, with 987000 km (613424 miles)? Appreciate any in put. Thanks
I own Volvo d12 at 950,000 I did overhaul now I will drive it until it blows up then I am getting Cascadia with DD15 and 10speed manual. You can keep your automatic I dont want it. I want to be in control of power
Cat 15,13 3608, red top n 14. Detriot 60. All overhaul. 750 to million engines
I have a dd15 deleted, that thing is a beast. Best engine, very reliable. I will buy another DD15 and have it deleted as well.
Is it still holding up well for you (since deletion)?
Eyeing the TAT for that exact eyeballin that you say.
They aint got no oil change records or so..
Be sure to subscribe. 🔧👊🏼💪🏼
Great video. I hope my series 60 lasts forever...lol. But I would prefer dd15 if forced to choose.
DIY SEMI thanks for watching. The 60 series is a solid engine. 🔧🇨🇱🇺🇸👊🏼💪🏼
Keep rebuilding the 60, Long live the series 60! Mine is on its 2nd overhaul
7msupralex thats a good idea. 🔧🇨🇱🇺🇸💪🏼👊🏼
We run Volvo’s d13 frightliner dd13. But I understand we are getting a few international with Cummins in then. Not to wild about that. Do like the Detroit.
Larry, on the late models the engineers seem to be working out the bugs. Yes, Detroits are solid engines. All depends on the maintenance. Thanks for watching and make sure to hit that sub button.
I had isx 2250 with Volvo 13 sp best truck ever owned cause 485, 1850. I have decided runs Nor Cal to so cal if u been to Cali u no Grape vine it's steep hills. Avg 40-45mph with close to 79-80k if u gonna buy Cummins make sure replace camshaft after 500k
Sohc u get best torque but less hp from
Dd15 dohc more HP but Less Torque
Trust me I've driven both Freightliner and volvo.
By far Cummins been best choice for me
heard the DD15 series 60. isn’t a bad choice engine for starters
What do you recommend to look for in buying one. ☝️
I drove both. One for Schneider one for western express. Just speaking from driver point of view I'll take the DD15 all day. Way more power and torque. My cummins feels sluggish. Smoother but way more sluggish. The DD15 was a monster in the mtns and just felt way more responsive and the jakes worked way better.
That has more to do with the power ratings on each engine, Cummins has low power and high power engines for trucks maybe you are comparing a 400 hp Cummins to a 500hp Detroit
We run Heavy Haul in Michigan. Our company was all Cat prior to Acert. After all that we switched to Cummins. We had good luck until the 2009 isx. Our company then switched to Detroit. Freightliners and Western Stars. My boss hated Cummins that bad until last year. We have 12 Dd16 that are garbage. Shitty mpg and lack of power. Needless to say we Got the New x15 565 and will stay that way. The Detroit’s were good until they hit 200k once they hit that mark they lived at the Dealer
Found your channel couple weeks ago. Really helpful, thank you! I have a 2016 DD15 and do my PMs every 15000. Is that over kill?
TNG64, That is not over kill. What type of oil are you using?
Really appreciate your quick response!! I use Mobile Delvac 1300 Super saw 15w-40.
SAE
@@TNG64 I just switched to Mobil delvac from rotella in my Cat, was having issues with evaporative loss and read a few folks saying delvac does better. Will have to wait and see. That's the oil change interval I do too though: 15,000. Anything past that and I get leery about it still being able to do its job effectively lol.
Thanks for your videos. Do you know if Schneider does a good job keeping up with the maintenance on their trucks?
Richard, I do not. Most fleets run high mileage intervals.
If he's comparing the x15 to the dd15 I don't even think it's close..but if it's the the isx 08 tru 2016 then he's spot on..I personally think from all the research I've done on the x15 it's miles ahead
I really appreciate Comparisons. I work for a fleet right now and the oil change intervals are 50,000 miles which I always thought was way too far better to change it sooner than later! I have a question for you is there any additives that you would use in order to clean out the engines to help maintain them? Especially I hear they get clogged because of the DEF system when you are Idling a lot!
Thanks for watching be sure to subscribe. It is not recommended to add any additives in the DEF System. If the system is clogged than the root cause should be found. Yes, high idle time will cause excessive soot build up and I would recommend an oil analyst if they are doing 50k oil change intervals.
TAT Express Inc. Thanks so much I will definitely do that! And yes I did subscribe. What about additives to the fuel or oil do you recommend anything like that?
@@americanjustice2722 I use Edt every day diesel treatment. Can't tell last I recently tbh. Yes high idling cause soot build but overall the diesel we use now is trash lack lubrication. Shit burn like a candle. Wiry the additive burns way more cleaner. I had 3 isx15 nd 1 mx13. Drove a dd13 one time in a Volvo. Gets good mileage. Opinion keep maintenance on point use additive to increase octane. Also use archoil nano additive. Works wonders. Truck sounds like a car.
Coolest additive ive used in a toyota echo is NMF no more friction' but its designed for semis. It reduces vibration and they put a water jug on the truck and after adding the water stops vibrating substantially... thought it was snake oil but its been used in racing for years and its very interesting stuff. Runs amazing in a car, would put it in company freightliner but.. its pricey. Works tho i swear. Reduces friction and demagnetises steel buildup in oil so it gets flushed through the filter in about 10 mins. Dont ask me how it works, witchcraft or some such as the inventor is some crazy middlestern chemist that invented it.
How much is more, for the Cummins?. And how much is more for parts?
Where can I get my DD15 rebuild?
How do u figure the ISX has a single over head cam when the side of the motor says dohc?
That's what I just asked him because I had a volvo with dohc
2010 came with a single overhead cam with the high pressure common rail fuel system .
I just rebuild my isx-15 this month but the only part that i didn’t change was the turbo i took it to a shop and they inspected and they told me to use the same one do you recommend change the turbo
Gabriel, thanks for watching. Why is the turbo suspected to have failed?
Non-VGT turbo… get one when it’s time to replace!
I remember the days when the driver understood his truck what it could do
Now a days the office makes sure you need to sit in a truck and struggle thanks 👍
My dd15 has about 710,000 miles (had it shoot a year).
But I found out last week I need an overhaul. Coolant is leaking from cylinder 5 and it’s leaking into my oil causing low oil pressure.
Is this something that just happened randomly?
If coolant is not maintained, internal corrosion will occur
TAT Express Inc. thank you. Have you seen this issue before?
hi mr. im tryingbto buyba freightliner 18 with dd15 eng. 450k mi. bout 120k miles left on wsrranty..99999..IS IT WORTH MY RISK.
Thinking of getting a 2015 Prostar Cummins 10sp... is it reliable?
We have 3 of them so far so good
Dd13 dd15 best in the world runs forever and if you have basic experience with mechanical work you can basically do 90% of the work on it theres parts everywhere and they cost less if your just starting off in trucking dd13 or dd15 frightliner is the way too go and if you own a fleet its also the way too go cuz of the price on parts
Thanks for watching and thank you for the support. Make sure to subscribe and turn on notifications.
Thanks im about to get into a '19 freightliner dd15 with 400k miles. U think its good? Still got a factory warranty
Acá en Colombia hay pendientes bastante empinadas y Detroit no le sigue el paso al Cummins isx y en costos de reparación el dd 13 o 15 vale el doble
Gang on point
Thanks for the support. Make sure to hit that sub button
Parts availability is way better on a Cummins. Down time needs to be considered in that aspect especially in todays supply chain world
How to remove stripped star bolt head. Sockets slipping
It’s worth mentioning the doc/scr in a Detroit can even up costing around 20k.
Thanks for your input. Be sure to subscribe
ISX has issues with Crank Shaft. DD15 has higher after treatment replacement cost due to one box parts are all one.
I drive a deleted isx this thing is a beat powers through mountains no major repairs for a year since I’ve been driving just minor maintenance
Cm870?
I'm looking at a Walmart truck with isx15 and tripack. It has 608k miles, but asking $30k. Think it's a good deal or will it cost more in the end than a dd15 with similar miles for $33k? Both are Walmart Freightliners and both have tripacks.
Syed, fleet trucks can be problematic so be sure to get maintenance records and have truck check out by an outside shop. What year is the truck?
@@TATEXPRESSINC that's a good idea. 2015 model year
Hi I changed actuator but its give me low pressure
If you were buying your own truck and you were choosing between the isx15 and the dd15 which one you choose for yourself and why?
It depends on a lot of variables. How many miles, what year, what kind of maintenance history and asking price.
When we should change transmition oil on autoshift ondd15
Rembo Hero if it’s a Eaton Autoshift they recommend every 500k mikes. 🔧🇺🇸🇨🇱👊🏼💪🏼
@@TATEXPRESSINC thank you 🤘🤘
@@TATEXPRESSINC also is there any oil change due for differential?
Would you recomend a truck with a kit that runs on cng fuel? No need to def or smog check.
There's the problem with the dd15 you have to buy a Freightliner to get it and Freightliner is a garbage the Cummins x15 comes in Pete and Kenworth those trucks are better than a Freightliner so I guess I'll go with the Cummins
Actually Pete’s and kenworths are shit. Old school drivers like them because they think they’re better, but in reality our T680s are the most unreliable of the 3 brands we use the other is Freightliner and LT international w/ Cummins. I definitely like the international engine the best, it’s noticeably stronger and and sounds better, but the cascadias are like airbuses interiors. Way nicer. I’d buy a freightliner strictly for the interiors and prices & availability of parts and service center. Paccar aren’t as nice as you think.
lol this comment was a pile of garbage.. Fuck paccar garbage
You can thank the Germans for that. They bought (and ruined) Detroit Diesel and they bought (and ruined) Freightliner, and ditto for Western Star.
I’ve had both engines. The DD15 is really smooth and quiet with great pickup. Any grade over 3-4% and a similar spec’d ISX will out pull the Detroit. The best motor I had was a 530hp ISX in a 2005 T2000, it would pull just about anything on a grade except a big Cat. I changed oil every 20k on all of them, and also added 1 gallon of 80-90 hypoid gear oil in the motor. In the mountains Cummins, on the plains Detroit.
Cat pulls the best
Detroit is the least thirsty
Cummins does booth good
As guy that has been workin on freightliner for only 2 mos, all I see is oil pan gasket after oil gasket being replaced.
Tthanks for your input Tyrone, be sure to subscribe.