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 > 5.9 Cummins Diesel Towing capacity

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Durb

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Posted: 01/28/20 10:16am Link  |  Quote  |  Print  |  Notify Moderator

My year 5.9 showed the gross combined would be increased by 2,000# with the 4.10 0ver the 3.73.

wilber1

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Posted: 01/28/20 11:07am Link  |  Quote  |  Print  |  Notify Moderator

Durb wrote:

My year 5.9 showed the gross combined would be increased by 2,000# with the 4.10 0ver the 3.73.


That year used 3:54 and 4:10 gears.

I switched to 4:10's on my 2001, 4X2. The OP says his is a 4X2 so it is a cost effective way of getting more towing capacity when you only have to pay for one set of gears.

The limiting factor is the auto transmission. Manual transmission models have higher tow ratings with both ratios. The OP says he has a beefed up tranny so he should be good for more weight than stock anyway.

* This post was edited 01/28/20 11:19am by wilber1 *


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Grit dog

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Posted: 01/28/20 11:30am Link  |  Quote  |  Print  |  Notify Moderator

azdryheat wrote:

Yeah, get a newer truck with a higher towing capacity.


Always so helpful....that will totally solve the problem.








But will it create “another” problem??


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jdc1

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Posted: 01/28/20 11:31am Link  |  Quote  |  Print  |  Notify Moderator

KD4UPL wrote:

I wouldn't worry too much about the towing capacity. I'd be more concerned about payload, tire, wheel, and axle ratings, and if you'll need some heavier springs or air bags. The extra 1,000 pounds isn't really a big deal.
I would want the manual transmission in that truck. Dodge automatics were not the best and you'd only have 4 gears anyway.



Yeah....my Dodge transmission was still going strong when I sold it (250,000+ miles)...They are junk. LOL. Routine maintenance is the key. I serviced my transmission every 50,000 miles. Full flush.

Grit dog

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Posted: 01/28/20 11:35am Link  |  Quote  |  Print  |  Notify Moderator

Billy, while you’re not super specific about the truck, the conditions, “what” overheated or what you considered overheating, the following general suggestions all apply.
You’re towing heavy with an old truck and a modified one at that. Do all the required maintenance and repairs to make sure it’s in as good of shape mechanically as it was in its younger years.
Especially the cooling system.
Other than that not enough info.
Speed, grade, egts, how hot did the engine get?
Trans temp?
What final drive ratio, what gear were you towing in ?

Bypassing all the particular answers to the above questions, get your cooling system fixed before you actually overheat it and do some damage.

Grit dog

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Posted: 01/28/20 11:36am Link  |  Quote  |  Print  |  Notify Moderator

jdc1 wrote:

KD4UPL wrote:

I wouldn't worry too much about the towing capacity. I'd be more concerned about payload, tire, wheel, and axle ratings, and if you'll need some heavier springs or air bags. The extra 1,000 pounds isn't really a big deal.
I would want the manual transmission in that truck. Dodge automatics were not the best and you'd only have 4 gears anyway.



Yeah....my Dodge transmission was still going strong when I sold it (250,000+ miles)...They are junk. LOL. Routine maintenance is the key. I serviced my transmission every 50,000 miles. Full flush.


Not suggesting they weren’t of at least average reliability. They just s uck for towing heavy. Not enough gears for the big C.

rhagfo

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Posted: 01/28/20 01:24pm Link  |  Quote  |  Print  |  Notify Moderator

KD4UPL wrote:

I wouldn't worry too much about the towing capacity. I'd be more concerned about payload, tire, wheel, and axle ratings, and if you'll need some heavier springs or air bags. The extra 1,000 pounds isn't really a big deal.
I would want the manual transmission in that truck. Dodge automatics were not the best and you'd only have 4 gears anyway.


The 2001 3500 is DRW with a GVWR of 11,500 enough for a 14,000 5er.


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trail-explorer

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Posted: 01/28/20 02:29pm Link  |  Quote  |  Print  |  Notify Moderator

billy1davis wrote:

Any ideas?


Any ideas about what? We have no idea what you are asking.


Bob

billy1davis

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Posted: 01/28/20 03:14pm Link  |  Quote  |  Print  |  Notify Moderator

Any other input on my stated subject in my first post.

Me Again

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Posted: 01/28/20 06:31pm Link  |  Quote  |  Print  |  Notify Moderator

The 24V auto's towed much better with 4:10 gears out back. Our SRW 2001.5 towed 12,400 5th wheel just fine with stage one injectores, Edge Comp for timing only and PDR35-W12 turbo. The HY35 had a little problem keeping EGT down.

OP, what gear ratio does the truck have?

Now we have gotten up a hill and now have to go back down. YOU NEED an exhaust brake and way to keep torque converted locked.

These are very capable trucks when the tranny/TC is updated, a little more power, and the proper turbo and exhaust is in place to keep exhaust temps down. You need gauges: Pyro, boost, tranny temp at the output line, and fuel pressure. I have the 24V merit badge, T-shirt, and hat. Chris

* This post was edited 01/29/20 06:47am by Me Again *


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