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5th Generation 2019+

2019+ General Discussion

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5th Gen Powertrain

Discussion on what directly makes the truck move: Engine, Transmission, Driveshaft, Differentials and Axles
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630K
3.2K
630K

5th Gen Non-Powertrain

Discussion of Accessories, Interior and Exterior modifications, and everything else not power related.
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6.8K
970K

5th Gen Cab & Chassis

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4th Generation 2010 - 2018 6.7 Liter Cummins NO ADVERTISING

2013-2018 General Discussion

General Chit Chat About the 2013 model year differences 6.7L 4th generation Cummins - NO ADVERTISING -
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2010-2012 General Discussion

General Chit Chat About the 6.7L 4th generation Cummins - NO ADVERTISING
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4th Gen Powertrain

Discussion on what directly makes the truck move: Engine, Transmission, Driveshaft, Differentials and Axles
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34.3M
106K
34.3M

4th Gen Non-Powertrain

Discussion of Accessories, Interior and Exterior modifications, and everything else not power related.
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46.9M

4th Gen Performance Parts Discussion

Discussion of Performance Parts For the 4th Gen Trucks...NO ADVERTISING
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39.1M

4th Gen Cab & Chassis

Discussion of performance, powertrain, and non-powertrain on Cab & Chassis Trucks. ...NO ADVERTISING
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3.4M
07.5 - 09 6.7 Liter Cummins NO ADVERTISING

07.5 - 09 3rd Gen 6.7 Liter General Discussion

General Chit Chat About the 6.7L 3rd generation Cummins - NO ADVERTISING
189K
46.3M
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46.3M

07.5 - 09 3rd Gen 6.7L Powertrain

Discussion on what directly makes the truck move: Engine, Transmission, Driveshaft, Differentials and Axles
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47M
141K
47M

07.5 - 09 3rd Gen 6.7L Non-Powertrain

Discussion of Accessories, Interior and Exterior modifications, and everything else not power related.
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17.9M
65.1K
17.9M

07.5-09 3rd Gen 6.7L Performance Parts Discussion

Discussion of Performance Parts For the 6.7L Trucks...NO ADVERTISING
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62.3M
343K
62.3M

07.5 - 09 3rd Gen 6.7L Cab & Chassis

Discussion of performance, powertrain, and non-powertrain on Cab & Chassis Trucks....NO ADVERTISING
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4.4M
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4.4M
3rd Gen. Dodge Cummins 03-07 Common Rail Forums NO ADVERTISING

03 - 07 3rd Gen 5.9 Liter General Discussion

General Chit Chat About the 5.9L 3rd generation Cummins - NO ADVERTISING
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294K
2.4K
294K

3rd Gen. Powertrain

Discussion on what directly makes the truck move: Engine, Transmission, Driveshaft, Differentials and Axles
544K
136M
544K
136M

3rd Gen. Non-Powertrain

Discussion of Accessories, Interior and Exterior modifications, and everything else not power related.
334K
85.2M
334K
85.2M

3rd Gen. Performance Parts Discussion

Discussion of Performance Parts For the 3rd Gen Trucks ...NO ADVERTISING
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106M
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106M

2003 & Early 2004 Only Discussion

General Discussion for the Early (2003 and 2004) Common Rail ...NO ADVERTISING
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15.4M
72.9K
15.4M
2nd Gen. Dodge Cummins 98.5-02 24V Forums NO ADVERTISING

98.5-02 Powertrain

Discussion on what directly makes the truck move: Engine, Transmission, Driveshaft, Differentials and Axles
482K
99.5M
482K
99.5M

98.5-02 Non-Powertrain

Discussion of Accessories, Interior and Exterior modifications, and everything else not power related.
290K
62.9M
290K
62.9M

98.5-02 Performance Parts Discussion

Discussion of Performance Parts For the 98-02 Trucks No Advertising ...NO ADVERTISING
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62.5M
409K
62.5M

98.5-02 24V P-Pump Conversion

Discussion of converting 24V trucks from the VP44 stock pump to a P-Pump powered 24V No Advertising ...NO ADVERTISING
22K
5.4M
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2nd Gen. Dodge Cummins 94-98 12V Forums NO ADVERTISING

94-98 Powertrain

Discussion on what directly makes the truck move: Engine, Transmission, Driveshaft, Differentials and Axles
280K
65.6M
280K
65.6M

94-98 Non-Powertrain

Discussion of Accessories, Interior and Exterior modifications, and everything else not power related.
131K
28.9M
131K
28.9M

94-98 Performance Parts Discussion

Discussion of Performance Parts For the 94-98 Trucks No Advertising ...NO ADVERTISING
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41.1M
190K
41.1M
1st Gen. Dodge Cummins 89-93 12V Forums NO ADVERTISING

89-93 Powertrain

Discussion on what directly makes the truck move: Engine, Transmission, Driveshaft, Differentials and Axles
144K
33.9M
144K
33.9M

89-93 Non-Powertrain

Discussion of Accessories, Interior and Exterior modifications, and everything else not power related.
135K
31.5M
135K
31.5M

89-93 Performance Parts Discussion

Discussion of Performance Parts For the 1st Gen Trucks No Advertising ...NO ADVERTISING
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18.4M
86.5K
18.4M
TECH Exchange
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97K

What is This?

Everything you wanted to know about the TECH Exchange
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Technical Articles - Writeups - Guides Section NO ADVERTISING

General Tech Articles

Common Technical articles/writeups pretaining to all vintages of our beloved Dodge/Cummins trucks...NO ADVERTISING
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6.7L Tech Articles

Tech Articles for the 6.7L Dodge Cummins Diesel...NO ADVERTISING
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3rd Gen Tech Articles

Tech Articles for the 5.9L 3rd Gen Dodge Cummins Diesel...NO ADVERTISING
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3.5M
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94-98 Tech Articles

Tech Articles for the 94-98 12V Dodge Cummins Diesel...NO ADVERTISING
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5M
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89-93 Tech Articles

Tech Articles for the 89-93 12V Dodge Cummins Diesel...NO ADVERTISING
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Tech Article Submission

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General Forums NO ADVERTISING

911 Urgent Situations

Emergency Forum , Need Help Fast ? Post Here ! Urgent Topics Only...NO ADVERTISING
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10.9M
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General Diesel Discussion

Discuss General Topics related to the Cummins , Dodge Rams , Other Diesels Ect....NO ADVERTISING
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Technical Service Bulletins & Recall Support

Specific discussion of New and Old TSB's For the Cummins Powered Dodge Rams ...NO ADVERTISING
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Detailing

Cleaning, waxing, buffing ect
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Tires & Wheels Forum

Please see specific generation non-powertrain sections for detailed tires and wheels discussions.
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81.2K
31.4M

Auto Body

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6.5M
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Suspension Discussion

Please look here for all of your suspension related questions or ideas for all generations!... NO ADVERTISING
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Community Hall

Introductions

New to the site ?? Check In here and tell us a little about your self .
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Cummins Forum News

News and CF Staff Updates to the Members. Plans, site changes, things to look forward to, etc. Only staff may start new threads.
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1.4K
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Classified Disputes Forum

Forum for the discussion of details on poor classified experiences.
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Diesel Polls

Cummins Forum Official Polls
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Ride Of The Month

Cummins Forum Top Truck !
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Vendor Member Section

Vendor Deals

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151
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Sponsor Feedback Section

This is a section to leave feedback both positive and negative about our supporting vendors. Please find the thread about the vendor you'd like to leave feedback for and add it to that thread.
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Sponsors Marketplace

Discuss / Promote Your Products , Give Support , Information , News , Prices , Group Buy Information Ect. Must be a Sponsor to start a thread.
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Classified Ads You require 20 posts and registered on the forum for more than 10 days to access. Items For Sale/To Buy from the CumminsForum membership. Neither CumminsForum nor its staff is responsible for any transactions financial or otherwise between members or vendors and members. Any claims as to merchantability are strictly on the part of the seller.

Buyer/Seller Feedback

NO PERSONAL ATTACKS! Honest feedback only.
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General For Sale Section

General For Sale Section from the members of CumminsForum. Misc Items that would not pertain to the other category's. Neither CumminsForum nor it's staff are responsible for any transactions financial or otherwise between members or vendors and members. Any claims as to merchantability are strictly on the part of the seller. NO Advertising or listing NEW PARTS!
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10
40.3K

Towing & Hauling / RV - FOR SALE

Items that would pertain to RV's, Towing, Hauling
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3.2K
7
3.2K

Tires and Wheels - FOR SALE

For Sale: All Items related to Wheels & Tires for Dodge Diesel Trucks.
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46
21.9K

Free to a good home

Just looking to get rid of an item? Post the free items in here!
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Job Information Exchange

Help Wanted? Looking for work? Share job information with fellow Cummins Forum Members.
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eBay - "RAM/CTD RELATED ONLY" Classifieds

Disscusion Of RAM/CTD RELATED eBay Items. Must Post A Direct Link
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Specialty Forums

Show Time!

Our Personal Video Gallery & Other Video Links, Discussion, Support, Promotion, ect...
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39.3M
132K
39.3M

Towing & Hauling

Discussion of Towing & Hauling Habits
57.8K
13.9M
57.8K
13.9M

Cummins Conversions, Shop Talk, Tools, Fabrication

Discussion Of Cummins Conversion Projects, Tools , Tool Boxes , Garages , Shops , Fabrication ect...NO ADVERTISING
55K
20.1M
55K
20.1M
29.6K
7.9M

Accessories & Installations

Exterior, Interior & Electrical Accessories help
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4.7M

Electrical & Wiring

A place to discuss Electrical & Wiring issues.
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634K
1.9K
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C&C / DRW

Discussion of the Cab & Chassis and Dual Rear Wheel trucks.
8.8K
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Latest Posts See all new posts
  1. Anyone's coolant temps increase slightly when towing around 7500 lbs at 70 mph with 4.11 gears? I have a 93 D250 with a Mishimoto radiator and cooling system in good condition. I don't tow a lot so unsure. It only creeped slightly to the right of the first tic. Without a trailer it usually...
  2. Hey all so I have a quick question...I've yet to have any issues with injector line #4 (I check it often) but I figure it's about time to go ahead and just replace it with the updated version that has the new style clamp/isolator. Obviously some specialty tools will help with the job so I was...
  3. 3rd Gen. Performance Parts Discussion
    I have a 2006 Dodge cummins. It is all stock. It has around 200,000 miles on it and it is losing power. when I get on it, it don't have the snap anymore and it blows puffs of black smoke. My MPG is also going down.. Any idea? Sent from AutoGuide.com Free App
  4. With summer coming, I finally need to get my seized up and bypassed AC system back online. I have searched and read a lot of AC posts here but still not clear on best options. Many advise just repalce everything with new OEM parts but that is not a viable option right now. The clutch pulley...
  5. Pulling camper last weekend, I was on a two lane road climbing a long steep grade. The fan kicked on high, as it should have and then all hell broke loose.. loud grinding sound, and I could smell coolant. Temps started to rise. I was able to make it another mile to the top of the hill and pulled...
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