I agree. The 2500 isn't really designed for towing heavy, especially with those inside springs and pretty weak sway bar. I'd say it's comfort zone is around 10-11k for the gasser, less for the diesel due to the reduced payload.
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7.2L Cummins Rumors
- Thread starter thecastle
- Start date
H3LZSN1P3R
You're doing it wrong
thats an absolutely silly claim. The inboard springs make a high COG heavy load in the bed a bit unstable with high speed curvy roads sure but not enough to make it remotely unsafe besides thats irrelevant when towing a trailer unless you have some ghetto 5th wheel hitch that does not pivot side to side. The “payload” claim is also bogus since thats a registration weight not a weight limit like the axle weights are. Can a 3500 tow more sure but saying the 2500 diesel has a trailer towing comfort zone of less than 10k is absolutely ridiculous. I have towed a 20k GN load more than a dozen times without any issues and with the backhoe or other equipment more balanced on the tridem the pin weight was around 2k and it towed beautifully every time never once did I wish I have my dually for those trips. For the avg guy who tows a camper only a few times a year the 2500 is a good match. I bought mine when the lots were empty if I had a choice I would have got a new dually but I could not wait at the time and the 2500 has been great.
You tell em! Don't let dem gubmint peepl tell you what you can and ain't be doin! I mean, it's only you on the road, right?
Send it! HAMMER DOWN!
H3LZSN1P3R
You're doing it wrong
Simmer down kiddo if you knew anything about vehicles or design and engineering you would be able to understand the truck can handle it safely there is a reason RAM has the axle weights listed and the inflation pressures are to the axle caps. P.S. my 2500 is rated to tow 19k.
If people used your logic they would need a transport to tow a bass boat…
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H3LZSN1P3R
You're doing it wrong
Interesting with the flywheel driven HPFP (and air compressor?) it must be designed for motor homes and medium duty use. Doubt we would see that in a pickup. Also interesting setup for the injector lines
It is 100% designed to replace the 6.7 in commercial applications. Whether or not we’ll see it in a Ram pickup is still unknown at this time. But suffice it to say, the engine is out there and it’ll be hitting the road at some point. It’s a pretty interesting engine. DOHC arrangement and not significantly larger in overall size than the current 6.7 package. It’s also Jake-ready.
GirchyGirchy
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Not flywheel driven - the medium duty ISB engines are rear geartrain, so accessories are driven from a gear on the rear that's just ahead of the rear flywheel mounting surface/rear seal sealing surface of the crank. On the current 6.7L, the only gear driven component in the front is the lube pump.
For the 7.2L, even the above has changed; the engine's becoming more of a baby ISX. And like @mbarber84 mentioned, it's supposedly the same height or lower as the current 6.7L iteration.
It's fun comparing the 6.7L Octane to this...a few differences on the bottom end, but up top it's a whole 'nother story.
Damn I wish Stellantis would go for the fully painted red engines, I really like them.
Me too. But I doubt that would ever happen. FCA / Stellantis does their best to break the tie to Cummins as much as possible once that engine falls into their frame. I’ve said for years they should just allow Cummins to retain the repair / warranty work on the engine and wash their hands of it completely, just like the larger commercial truck manufacturers do. They could even offer a “Cummins Heritage Edition” package with Cummins badging incorporated into the interior, the EVIC, and a red engine under the hood. I would pay extra for that package when ordering.
The company needs new leadership with a vision of the future and a strong foundational understanding of what has brought them this far when it comes to the Cummins / Dodge / RAM relationship. The current hierarchy appears to care less. They need to put their loyal customer base ahead of their corporate investors.
Yea I don't really know why Stellantis doesn't lean harder on their relationship with cummins. I feel like majority of their HD diesel sales are because of the cummins, not so much the Ram that's wrapped around it with it's 16 year old cab & frame and amazing Uconnect infotainment that can't even do full screen android auto in 2025...
GirchyGirchy
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We painted our 2,000,000th (I think?) engine's valve cover red years ago. It looked great. I also found some pictures of a red engine with black valve cover, can't remember where those came from.
Unfortunately, Stellantis just wouldn't want to pay for the paint (I think it's around $5/engine), and I'm not sure we'd want to sign up for the extra emissions and VOCs from them. It's pretty nasty. Usually the paint quality isn't that great either, but commercial customers don't care like automotive would. Hell, we don't paint them at all now, just spray some RP on them.
But yeah, it does look cool.
H3LZSN1P3R
You're doing it wrong
Not sure I like the idea of DOHC but thats just the old school mindset lol DOHC has come a long way in recent years especially with VVT
H3LZSN1P3R
You're doing it wrong
So the current 2025 6.7 has a timing chain for the HPFP and the cam? Or am I misunderstanding?
Nope, they are driven by helical cut gears; previously the gears were straight cut, which make more noise than helical cut gears...
JohnandDonna
Well-Known Member
Yes the payload is not great on the 2500. But that is due to the coil spring suspension in order to provide a better ride than leaf springs. If you want more payload, go to a 3500. Or, get the 6.4 Hemi V8, it is a wonderful engine. Not sure why anyone gets the diesel in the 2500 as you cannot use it to its full capability. If you actually need the diesel (and most who get it don't actually need it) get the 3500. Why deal with DEF and emmisson issues if you don't have to. Now if they roll back the requirements for DEF and allow deletion of the emissions system, then the diesel once again becomes an outstanding choice. I guess we shall see. But as they say, it's your money, and you should spend as you deem fit.
H3LZSN1P3R
You're doing it wrong
I know the 19-24 are helical not spur gears but he is saying only the oil pump is driven by gears on the current one
GirchyGirchy
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So far, it's looking like that might start happening with Tim K back at the wheel of Ram.
No, only gears; I think the only timing chain we've ever had was the Nissan/ISV 5.0L V8. Ram engine has the gears all in the front, 'normal' ISB has the majority of the gears in the rear (housed in the aptly named Rear Gear Housing, which is the aluminum piece between the block and flywheel housing that the compressor and fuel pump mount to).
The ISX has had them for years, so hopefully it's been figured out by now!
H3LZSN1P3R
You're doing it wrong
Good to know, the gear driven is the best way, just the way you phrased it earlier had me questioning things lol
CTF2019
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OHC and DOHC is so much better. No pushrods to bend and the serviceability of the valve train is way better. Imagine only needing to pull the valve cover to service cam/lifters…
I think a DOHC 6.7 or 7.2 Cummins would be welcome change.
I think a DOHC 6.7 or 7.2 Cummins would be welcome change.