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Best Ram 3500 Model Years (Ranked)

📖 2,487 words🗓️ Published Jun 26, 2026 · Updated Jun 21, 2026

The Ram 3500 (badged Dodge Ram 3500 through 2010) is the brand's one-ton heavy-duty workhorse, built to tow gooseneck trailers, haul slide-in campers, and carry brutal payloads in single-rear-wheel and dual-rear-wheel (dually) form. Its reputation rests almost entirely on the legendary 6.7L Cummins inline-six turbo diesel, though a stout 6.4L Hemi V8 gas engine is also offered. Across three generations since 2003, the 3500 has chased class-leading torque numbers while wrestling with a few well-documented headaches, most notably the CP4 high-pressure fuel pump on diesels. This ranking covers the best Ram 3500 model years, their engines, the issues to verify, and where the smart used value sits today.

Direct Answer

The best overall Ram 3500 is the 2019-2024 fifth-generation (DT) Cummins, which pairs a refined cabin, coil-spring or air-suspension rear, and the high-output 6.7L Cummins making class-leading torque up to 1,075 lb-ft, with a heavy-duty Aisin automatic on top trims. For shoppers focused on value, the best value is the 2013-2018 fourth-generation Cummins, which brought the 6.7L diesel to full maturity, big tow ratings, and a comfortable cabin at a fraction of new-truck money. Watch any diesel for the CP4 fuel pump concern (common-rail diesels through 2018) and verify emissions hardware on post-2007.5 trucks. The 6.4L Hemi gas is the recall-light, lower-maintenance alternative.

*Note: Prices vary significantly based on condition and market; these are representative of the model's typical market positioning.*

flowchart TD A[Best Ram 3500 Years] --> B[2019 Model] A --> C[2020 Model] A --> D[2021 Model] A --> E[2022 Model] A --> F[2023 Model] B --> G[High Reliability] C --> G D --> G E --> G F --> G

1. 2019-2024 Fifth Generation (DT) — High-Output Cummins 🏆 BEST OVERALL

2019-2024 Fifth Generation (DT) — High-Output Cummins

The fifth-generation Ram 3500 is the high point of the line. The optional high-output 6.7L Cummins produces 400 hp and a staggering 1,075 lb-ft of torque (with later trucks rated to a max conventional tow of roughly 37,000-plus pounds when properly equipped), backed by a heavy-duty Aisin AS69RC six-speed automatic. Ram also offers a standard-output Cummins and the 6.4L Hemi gas V8. The DT introduced a class-leading interior with the available 12-inch touchscreen, plus available rear air suspension on single-rear-wheel models for a smoother ride. Build quality and towing tech are best-in-class, making a clean used DT the truck to buy if budget allows.

2. 2013-2018 Fourth Generation (DS) — 6.7L Cummins 💎 BEST VALUE

2013-2018 Fourth Generation (DS) — 6.7L Cummins

The mid-cycle fourth-generation 3500 is the value champion. The 6.7L Cummins reached maturity here, and 2013 was the year Ram leapfrogged rivals with available torque climbing toward 900 lb-ft on the Aisin-equipped High Output trucks, lifting max tow ratings dramatically. Ram also moved the 3500 to an available rear air suspension for ride and self-leveling under load. The best value is a 2016-2018 Laramie or Tradesman Cummins dually, which delivers near-current capability and a comfortable cabin at a steep discount to fifth-gen pricing. These trucks remain the diesel sweet spot for buyers who want serious capability without paying for the newest interior.

3. 2019-2024 Fifth Generation (DT) — 6.4L Hemi Gas

2019-2024 Fifth Generation (DT) — 6.4L Hemi Gas

For buyers who want one-ton capability without diesel complexity, the fifth-generation 3500 with the 6.4L Hemi V8 (410 hp, 429 lb-ft) is the standout choice. It sidesteps the CP4 fuel pump, DEF system, and diesel particulate filter entirely, lowering both maintenance cost and the price of entry. Paired with an eight-speed automatic, it still tows and hauls heavy loads for work and recreation, just with shorter legs and lower fuel economy than the Cummins. The gas Hemi is the low-risk, lower-cost path into a modern one-ton, and it earns trust on the used market precisely because it avoids the diesel's known fuel-system worry.

4. 2013-2018 Fourth Generation (DS) — 6.4L Hemi Gas

2013-2018 Fourth Generation (DS) — 6.4L Hemi Gas

The fourth-generation 3500 with the 6.4L Hemi (introduced for 2014, replacing the older 5.7L on heavy-duty trucks) is a dependable, affordable one-ton for buyers wary of diesel upkeep. Making 410 hp and 429 lb-ft through a six-speed automatic, it offers strong gas-engine grunt and avoids the CP4 pump, DEF, and DPF maintenance that diesels demand. These trucks are plentiful and inexpensive on the used market. For a contractor or RV owner whose towing is occasional rather than daily, a clean 2015-2018 Hemi dually or single-rear-wheel 3500 is a smart, low-stress purchase with proven durability.

5. 2010-2012 Fourth Generation (DS, Early) — 6.7L Cummins

2010-2012 Fourth Generation (DS, Early) — 6.7L Cummins

The early fourth-generation 3500 (the first to wear the standalone Ram brand from 2011) carried over the 6.7L Cummins with a 6.7L-specific emissions setup and offered up to about 350 hp and 800 lb-ft in High Output trim. It introduced a more refined cabin and improved ride over the third generation. These are aging now, so confirm the emissions hardware (DPF, EGR) is functioning and that the fuel system is healthy. Priced well below the 2013-up trucks, a well-maintained early-DS Cummins makes a capable budget tow rig for buyers who can verify its service history.

6. 2007.5-2009 Third Generation — 6.7L Cummins (Early Emissions)

2007.5-2009 Third Generation — 6.7L Cummins (Early Emissions)

The 6.7L Cummins debuted mid-2007 in the third-generation truck, replacing the 5.9L and adding a diesel particulate filter to meet new emissions rules. It made around 350 hp and 650 lb-ft. The bigger displacement boosted capability, but the early DPF and regeneration system can clog on trucks used for short trips, and some owners have deleted or had emissions trouble, so verify everything is intact and working. When healthy and well-maintained, these are stout, affordable haulers. Treat the emissions system as the key inspection point and favor a truck with documented highway use and clean exhaust-system history.

7. 2003-2007 Third Generation — 5.9L Cummins (Pre-Emissions)

2003-2007 Third Generation — 5.9L Cummins (Pre-Emissions)

The pre-emissions 5.9L Cummins (the common-rail 600/610 series, roughly 305-350 hp and up to 650 lb-ft by the end of the run) is beloved for its simplicity and durability. With no DPF, DEF, or CP4 to worry about, it is the lowest-maintenance diesel in the lineup and a cult favorite among heavy towers. The trade-off is age: rust, worn suspension, and high mileage are common, and the cabins feel dated. For a buyer who values rugged simplicity and can find a clean, well-kept example, a late 5.9L common-rail dually is a legendary one-ton at a budget price.

8. 2003-2009 Third Generation — 5.7L Hemi / V10 Gas

2003-2009 Third Generation — 5.7L Hemi / V10 Gas

The third-generation 3500 also came with gas engines, the 5.7L Hemi V8 and, early on, the 8.0L/8.3L V10. These avoid all diesel concerns and are cheap to buy, but they are thirsty and give up capability and resale value to the Cummins trucks. They make sense only for light-duty one-ton use, a service body, or buyers who want a tough chassis without diesel costs. Inspect for the usual age-related issues, rust, suspension wear, and tired transmissions. As budget work trucks they can serve well, but most heavy-duty buyers will prefer a diesel for towing.

9. 2019-2020 Fifth Generation (DT) — Early Build (Caution)

2019-2020 Fifth Generation (DT) — Early Build (Caution)

The earliest fifth-generation trucks bring the best interior and capability, but first-model-year builds of any all-new platform warrant extra scrutiny. Some early DT owners reported infotainment glitches, minor electrical bugs, and early-production fit-and-finish quirks as the redesign settled in. The high-output Cummins is excellent, but on a 2019-2020 example, confirm all software updates and recalls were completed and that the truck has a clean service record. The mechanicals are strong; the caution is simply the normal first-run risk of a brand-new generation. A documented, updated early DT is still a great truck, just inspect carefully.

10. 2011-2018 Cummins With Undocumented CP4 (Caution)

2011-2018 Cummins With Undocumented CP4 (Caution)

Common-rail Cummins diesels of this era use the Bosch CP4.2 high-pressure fuel pump, which can fail and send metal debris through the entire fuel system, an expensive repair often running into five figures. Any 2011-2018 Cummins 3500 without documentation of fuel-system health, a CP4 disaster-prevention kit, or a pump replacement is a cautious buy. The trucks themselves are outstanding, so this is about paperwork, not the platform. Only purchase one with verifiable fuel-system records or budget for a protective bypass kit. Otherwise, a well-documented diesel or the 6.4L Hemi gas of the same years is the safer route.

What to Watch For When Buying

The single most important step on any diesel Ram 3500 is to investigate the fuel system. Common-rail Cummins trucks of roughly 2011-2018 use the Bosch CP4.2 high-pressure pump, which can fail catastrophically and contaminate injectors, lines, and tank, a repair that frequently costs over $10,000. Ask for documentation of pump health, a CP4 bypass/disaster-prevention kit, or a prior replacement. On 2007.5 and later diesels, verify the emissions hardware (DPF, EGR, and on later trucks the DEF system) is present and functioning, and be wary of tampered or "deleted" trucks, which can carry legal and resale problems. Beyond the engine, inspect the frame and suspension on high-mileage work trucks, confirm the Aisin or 68RFE automatic shifts cleanly under load, check ball joints and steering on 4x4 models, and prioritize a clean, documented maintenance history over a low sticker price. The 6.4L Hemi gas trucks sidestep the diesel-specific worries entirely.

How to Choose

Match the 3500 to how you will actually use it. For the best blend of capability, comfort, and towing technology, the 2019-2024 DT with the high-output Cummins is the answer, with class-leading torque and the nicest cabin. For the best value with serious capability, a 2013-2018 6.7L Cummins delivers nearly the same towing muscle at a far lower price. Buyers who tow only occasionally or want the lowest maintenance and risk should choose the 6.4L Hemi gas in either the DS or DT generation, avoiding the CP4 and emissions concerns altogether. Heavy towers who prize simplicity can hunt a clean 2003-2007 5.9L common-rail. In every case, verify fuel-system and emissions history through records and a thorough inspection.

FAQ

What is the best year for a used Ram 3500? The 2019-2024 fifth-generation models are widely considered the best overall, thanks to the refined cabin, available air suspension, and the high-output 6.7L Cummins with up to 1,075 lb-ft of torque. For a better value, the 2013-2018 fourth-generation trucks offer a mature 6.7L diesel and strong towing at a lower price point.

Should I avoid any Ram 3500 model years? Years with the CP4 high-pressure fuel pump (common-rail diesels through 2018) are riskier, as pump failures can send metal debris through the fuel system, leading to expensive repairs. Post-2007.5 trucks also have emissions equipment that may require maintenance, so verify the DPF and EGR history.

Is the 6.4L Hemi gas engine a good choice in the Ram 3500? Yes, the 6.4L Hemi V8 is a stout gas option, offering strong power and lower upfront cost compared to the diesel. However, it has lower torque and towing capacity than the Cummins, and fuel economy is notably worse, making it best for lighter-duty use or shorter trips.

How reliable is the Cummins 6.7L diesel in the Ram 3500? The 6.7L Cummins is legendary for longevity, often exceeding 300,000 miles with proper maintenance. The main issues are the CP4 pump on pre-2019 models and emissions system problems on post-2007.5 trucks, but the engine block and internals are very durable.

What is the towing capacity of a Ram 3500 dually? A properly equipped dual-rear-wheel Ram 3500 with the high-output Cummins can tow up to around 37,000 pounds with a gooseneck hitch, though real-world limits depend on configuration and payload. Fifth-wheel towing is typically in the 30,000-35,000-pound range.

Are Ram 3500s expensive to maintain? Yes, especially the diesel models. Oil changes, fuel filters, and emissions system repairs can be costly, and the CP4 pump replacement runs several thousand dollars. Gas 6.4L models are cheaper to maintain but still require heavy-duty parts and labor.

Bottom Line

The Ram 3500 is one of the most capable one-ton trucks you can buy used, but engine choice and fuel-system history make or break the purchase. The 2019-2024 high-output Cummins DT is the best overall, with class-leading torque and the finest cabin, while the 2013-2018 6.7L Cummins offers the best value. On any diesel, confirm the CP4 pump and emissions hardware are healthy, and consider the 6.4L Hemi gas if you want lower risk and upkeep. Buy with documentation in hand and the 3500 delivers serious towing, payload, and durability.

graph TD A[Shopping for a used Ram 3500?] --> B{Diesel or gas?} B -->|Gas, low upkeep| C[6.4L Hemi 2014+] B -->|Diesel, max capability| D{Budget level?} D -->|Higher| E[2019-2024 HO Cummins DT] D -->|Mid| F[2013-2018 Cummins DS] D -->|Lower / simple| G[2003-2007 5.9L common-rail] E --> H[Best overall] F --> I{CP4 records?} I -->|Documented| J[Best value] I -->|Unknown| K[Verify CP4 / add bypass kit]

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Sources

Ram Trucks official 3500 model history and towing/payload specifications, ramtrucks.com
NHTSA recall and complaint database for Ram/Dodge 3500, nhtsa.gov
Cummins 6.7L Turbo Diesel engine specifications and ratings, cummins.com
Edmunds Ram 3500 generation reviews and used-truck appraisals, edmunds.com
Kelley Blue Book Ram 3500 used values by model year, kbb.com
Wikipedia Ram Pickup generations and technical specifications, en.wikipedia.org

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![2024 Ram 3500 Cummins dually](https://www.ramtrucks.com/content/dam/fca-brands/na/ramtrucks/en_us/2024/ram-3500/gallery/desktop/my24-3500-Gallery-07.jpg.image.1440.jpg)

# Best Ram 3500 Model Years (Ranked)

The Ram 3500 (badged Dodge Ram 3500 through 2010) is the brand's one-ton heavy-duty workhorse, built to tow gooseneck trailers, haul slide-in campers, and carry brutal payloads in single-rear-wheel and **dual-rear-wheel (dually)** form. Its reputation rests almost entirely on the legendary **6.7L Cummins inline-six turbo diesel**, though a stout **6.4L Hemi V8 gas** engine is also offered. Across three generations since 2003, the 3500 has chased class-leading torque numbers while wrestling with a few well-documented headaches, most notably the **CP4 high-pressure fuel pump** on diesels. This ranking covers the best Ram 3500 model years, their engines, the issues to verify, and where the smart used value sits today.

## Direct Answer

The **best overall Ram 3500 is the 2019-2024 fifth-generation (DT) Cummins**, which pairs a refined cabin, coil-spring or air-suspension rear, and the **high-output 6.7L Cummins** making class-leading torque up to 1,075 lb-ft, with a heavy-duty Aisin automatic on top trims. For shoppers focused on value, the **best value is the 2013-2018 fourth-generation Cummins**, which brought the 6.7L diesel to full maturity, big tow ratings, and a comfortable cabin at a fraction of new-truck money. Watch any diesel for the **CP4 fuel pump** concern (common-rail diesels through 2018) and verify emissions hardware on post-2007.5 trucks. The 6.4L Hemi gas is the recall-light, lower-maintenance alternative.

*Note: Prices vary significantly based on condition and market; these are representative of the model's typical market positioning.*

```mermaid
flowchart TD
A[Best Ram 3500 Years] --> B[2019 Model]
A --> C[2020 Model]
A --> D[2021 Model]
A --> E[2022 Model]
A --> F[2023 Model]
B --> G[High Reliability]
C --> G
D --> G
E --> G
F --> G
```

## 1. 2019-2024 Fifth Generation (DT) — High-Output Cummins 🏆 BEST OVERALL

![2020 Ram 3500 High-Output Cummins engine](https://official.bankspower.com/wp-content/uploads/2020/11/20201120_RD_2.jpg)%20%E2%80%94%20High-Output%20Cummins%20Best%20Ram%203500%20Model%20Yea%2C%20realistic%20magazine%20style%2C%20warm%20light%2C%20no%20text%2C%20no%20watermark?width=1200&height=675&nologo=true&model=flux&seed=58062)

@@PRODUCT name="2019-2024 Fifth Generation (DT) — High-Output Cummins" img="https://medias.fcacanada.ca/specs/ramtruck/2500/year-2026/media/images/feature/2026-ram-2500-high-output-6_9942caadc9924feb1b695f73685a6270.7L-1200x800.png" site="https://www.ramtruck.ca/en/2500/2026/features-capability"

The fifth-generation Ram 3500 is the high point of the line. The optional **high-output 6.7L Cummins** produces 400 hp and a staggering **1,075 lb-ft of torque** (with later trucks rated to a max conventional tow of roughly 37,000-plus pounds when properly equipped), backed by a heavy-duty **Aisin AS69RC six-speed automatic**. Ram also offers a standard-output Cummins and the **6.4L Hemi gas V8**. The DT introduced a class-leading interior with the available 12-inch touchscreen, plus available rear air suspension on single-rear-wheel models for a smoother ride. **Build quality and towing tech are best-in-class**, making a clean used DT the truck to buy if budget allows.

## 2. 2013-2018 Fourth Generation (DS) — 6.7L Cummins 💎 BEST VALUE

![2015 Ram 3500 6.7L Cummins truck](https://www.chicagomotorcars.com/imagetag/10207/main/l/Used-2015-Ram-Pickup-3500-Big-Horn-4x4-Dually-Crew-Cab-67-Cummins-Diesel-Long-Bed-1668549088.jpg)%20%E2%80%94%206.7L%20Cummins%20%F0%9F%92%8E%20BE%20Best%20Ram%203500%20Model%20Yea%2C%20realistic%20magazine%20style%2C%20warm%20light%2C%20no%20text%2C%20no%20watermark?width=1200&height=675&nologo=true&model=flux&seed=57049)

@@PRODUCT name="2013-2018 Fourth Generation (DS) — 6.7L Cummins" img="https://theshopmag.com/wp-content/uploads/2025/01/Cummins_6.7L_Turbo_Diesel_2025_Pickup.jpg" site="https://theshopmag.com/news/cummins-launches-next-generation-6-7l-turbo-diesel-pickup-engine-system/"

The mid-cycle fourth-generation 3500 is the value champion. The **6.7L Cummins** reached maturity here, and 2013 was the year Ram leapfrogged rivals with available torque climbing toward **900 lb-ft on the Aisin-equipped High Output** trucks, lifting max tow ratings dramatically. Ram also moved the 3500 to an available **rear air suspension** for ride and self-leveling under load. **The best value is a 2016-2018 Laramie or Tradesman Cummins dually**, which delivers near-current capability and a comfortable cabin at a steep discount to fifth-gen pricing. These trucks remain the diesel sweet spot for buyers who want serious capability without paying for the newest interior.

## 3. 2019-2024 Fifth Generation (DT) — 6.4L Hemi Gas

![Ram 6.4L Hemi V8 engine](https://medias.fcacanada.ca/specs/ramtruck/2500/year-2023/media/images/engines/engine-01-2022-ram-2500-engine-6-4l-hemi-v8_fb5836674e257c69b596d67a89e4f29b-600x600.png)%20%E2%80%94%206.4L%20Hemi%20Gas%20Best%20Ram%203500%20Model%20Years%20(Ra%2C%20realistic%20magazine%20style%2C%20warm%20light%2C%20no%20text%2C%20no%20watermark?width=1200&height=675&nologo=true&model=flux&seed=47110)

@@PRODUCT name="2019-2024 Fifth Generation (DT) — 6.4L Hemi Gas" img="https://fraserengineco.com/wp-content/uploads/2024/09/image0.jpeg" site="https://fraserengineco.com/6-4-liter-dodge-hemi-engines/"

For buyers who want one-ton capability without diesel complexity, the fifth-generation 3500 with the **6.4L Hemi V8** (410 hp, 429 lb-ft) is the standout choice. It sidesteps the CP4 fuel pump, DEF system, and diesel particulate filter entirely, lowering both maintenance cost and the price of entry. Paired with an eight-speed automatic, it still tows and hauls heavy loads for work and recreation, just with shorter legs and lower fuel economy than the Cummins. **The gas Hemi is the low-risk, lower-cost path** into a modern one-ton, and it earns trust on the used market precisely because it avoids the diesel's known fuel-system worry.

## 4. 2013-2018 Fourth Generation (DS) — 6.4L Hemi Gas
@@PRODUCT name="2013-2018 Fourth Generation (DS) — 6.4L Hemi Gas" img="https://www.harrop-usa.com/product_images/harrop-usa/hemi1-large-1340-v1.jpg" site="https://www.harrop-usa.com/tvs2650-6.4l-hemi-engine-kit/p143"

The fourth-generation 3500 with the **6.4L Hemi** (introduced for 2014, replacing the older 5.7L on heavy-duty trucks) is a dependable, affordable one-ton for buyers wary of diesel upkeep. Making 410 hp and 429 lb-ft through a six-speed automatic, it offers strong gas-engine grunt and avoids the **CP4 pump, DEF, and DPF maintenance** that diesels demand. These trucks are plentiful and inexpensive on the used market. For a contractor or RV owner whose towing is occasional rather than daily, a clean **2015-2018 Hemi dually or single-rear-wheel** 3500 is a smart, low-stress purchase with proven durability.

## 5. 2010-2012 Fourth Generation (DS, Early) — 6.7L Cummins
@@PRODUCT name="2010-2012 Fourth Generation (DS, Early) — 6.7L Cummins" img="https://static.overfuel.com/dealers/trust-auto/image/cummins_qsk95_sep-1-1024x543.jpg" site="https://www.trustauto.com/blog/everything-you-need-to-know-about-the-cummins-diesel-engine"

The early fourth-generation 3500 (the first to wear the standalone **Ram** brand from 2011) carried over the **6.7L Cummins** with a 6.7L-specific emissions setup and offered up to about 350 hp and 800 lb-ft in High Output trim. It introduced a more refined cabin and improved ride over the third generation. These are aging now, so confirm the **emissions hardware (DPF, EGR) is functioning** and that the fuel system is healthy. Priced well below the 2013-up trucks, a well-maintained early-DS Cummins makes a capable budget tow rig for buyers who can verify its service history.

## 6. 2007.5-2009 Third Generation — 6.7L Cummins (Early Emissions)
@@PRODUCT name="2007.5-2009 Third Generation — 6.7L Cummins (Early Emissions)" img="https://cdn.shopify.com/s/files/1/0108/0449/4400/files/precision-plus-ready-run-engine-dodge-ram-2500-3500-6-7l-cummins-2007-5-2012.jpg?v=1756327154" site="https://us.bddiesel.com/blogs/r-d-blog/cummins-6-7l-recall-67a-2013-2018-ram-2500-3500-free-emissions-update-eligibility-warranty-gift"

The 6.7L Cummins debuted mid-2007 in the third-generation truck, replacing the 5.9L and adding a **diesel particulate filter** to meet new emissions rules. It made around 350 hp and 650 lb-ft. The bigger displacement boosted capability, but the **early DPF and regeneration system can clog** on trucks used for short trips, and some owners have deleted or had emissions trouble, so verify everything is intact and working. When healthy and well-maintained, these are stout, affordable haulers. Treat the emissions system as the key inspection point and favor a truck with documented highway use and clean exhaust-system history.

## 7. 2003-2007 Third Generation — 5.9L Cummins (Pre-Emissions)
@@PRODUCT name="2003-2007 Third Generation — 5.9L Cummins (Pre-Emissions)" img="https://www.drivingline.com/s3/drivingline.prd/media/2wffzi3n/third-gen-cummins-common-rail-59l.jpg?quality=70&mode=pad%C2%A9metadata=true&w=1695" site="https://www.drivingline.com/articles/the-torque-war-timeline/"

The pre-emissions **5.9L Cummins** (the common-rail 600/610 series, roughly 305-350 hp and up to 650 lb-ft by the end of the run) is beloved for its simplicity and durability. With **no DPF, DEF, or CP4** to worry about, it is the lowest-maintenance diesel in the lineup and a cult favorite among heavy towers. The trade-off is age: rust, worn suspension, and high mileage are common, and the cabins feel dated. For a buyer who values rugged simplicity and can find a clean, well-kept example, a late **5.9L common-rail dually** is a legendary one-ton at a budget price.

## 8. 2003-2009 Third Generation — 5.7L Hemi / V10 Gas
@@PRODUCT name="2003-2009 Third Generation — 5.7L Hemi / V10 Gas" img="https://cdn.shopify.com/s/files/1/0284/6448/0316/files/dodge_ram_1500_5_7_hemi_engine.jpg?v=1762765950" site="https://www.egrperformance.com/blogs/news/5-7-hemi-engine-guide"

The third-generation 3500 also came with **gas engines**, the 5.7L Hemi V8 and, early on, the 8.0L/8.3L V10. These avoid all diesel concerns and are cheap to buy, but they are thirsty and give up capability and resale value to the Cummins trucks. They make sense only for light-duty one-ton use, a service body, or buyers who want a tough chassis without diesel costs. Inspect for the usual age-related issues, rust, suspension wear, and tired transmissions. As budget work trucks they can serve well, but most heavy-duty buyers will prefer a diesel for towing.

## 9. 2019-2020 Fifth Generation (DT) — Early Build (Caution)
@@PRODUCT name="2019-2020 Fifth Generation (DT) — Early Build (Caution)" img="https://i.ytimg.com/vi/XcAMiTna9ko/maxresdefault.jpg" site="https://www.youtube.com/watch?v=XcAMiTna9ko"

The earliest fifth-generation trucks bring the best interior and capability, but first-model-year builds of any all-new platform warrant extra scrutiny. Some early DT owners reported **infotainment glitches, minor electrical bugs, and early-production fit-and-finish quirks** as the redesign settled in. The high-output Cummins is excellent, but on a 2019-2020 example, **confirm all software updates and recalls were completed** and that the truck has a clean service record. The mechanicals are strong; the caution is simply the normal first-run risk of a brand-new generation. A documented, updated early DT is still a great truck, just inspect carefully.

## 10. 2011-2018 Cummins With Undocumented CP4 (Caution)
@@PRODUCT name="2011-2018 Cummins With Undocumented CP4 (Caution)" img="https://prosourcediesel.com/wp-content/uploads/2024/08/what-is-a-cp4-pump-1-1024x680.jpg" site="https://prosourcediesel.com/blog/diesel-parts/what-is-a-cp4-pump/"

Common-rail Cummins diesels of this era use the **Bosch CP4.2 high-pressure fuel pump**, which can fail and send metal debris through the entire fuel system, an expensive repair often running into five figures. Any 2011-2018 Cummins 3500 **without documentation** of fuel-system health, a CP4 disaster-prevention kit, or a pump replacement is a cautious buy. The trucks themselves are outstanding, so this is about paperwork, not the platform. **Only purchase one with verifiable fuel-system records** or budget for a protective bypass kit. Otherwise, a well-documented diesel or the 6.4L Hemi gas of the same years is the safer route.

```mermaid
graph TD
    A[Shopping for a used Ram 3500?] --> B{Diesel or gas?}
    B -->|Gas, low upkeep| C[6.4L Hemi 2014+]
    B -->|Diesel, max capability| D{Budget level?}
    D -->|Higher| E[2019-2024 HO Cummins DT]
    D -->|Mid| F[2013-2018 Cummins DS]
    D -->|Lower / simple| G[2003-2007 5.9L common-rail]
    E --> H[Best overall]
    F --> I{CP4 records?}
    I -->|Documented| J[Best value]
    I -->|Unknown| K[Verify CP4 / add bypass kit]
```

## What to Watch For When Buying

The single most important step on any diesel Ram 3500 is to **investigate the fuel system**. Common-rail Cummins trucks of roughly 2011-2018 use the **Bosch CP4.2 high-pressure pump**, which can fail catastrophically and contaminate injectors, lines, and tank, a repair that frequently costs over $10,000. Ask for documentation of pump health, a CP4 bypass/disaster-prevention kit, or a prior replacement. On **2007.5 and later diesels, verify the emissions hardware** (DPF, EGR, and on later trucks the DEF system) is present and functioning, and be wary of tampered or "deleted" trucks, which can carry legal and resale problems. Beyond the engine, inspect the frame and suspension on high-mileage work trucks, confirm the **Aisin or 68RFE automatic** shifts cleanly under load, check ball joints and steering on 4x4 models, and prioritize a clean, documented maintenance history over a low sticker price. The 6.4L Hemi gas trucks sidestep the diesel-specific worries entirely.

## How to Choose

Match the 3500 to how you will actually use it. For **the best blend of capability, comfort, and towing technology**, the 2019-2024 DT with the high-output Cummins is the answer, with class-leading torque and the nicest cabin. For **the best value with serious capability**, a 2013-2018 6.7L Cummins delivers nearly the same towing muscle at a far lower price. Buyers who tow only occasionally or want **the lowest maintenance and risk** should choose the 6.4L Hemi gas in either the DS or DT generation, avoiding the CP4 and emissions concerns altogether. Heavy towers who prize simplicity can hunt a clean 2003-2007 5.9L common-rail. In every case, verify fuel-system and emissions history through records and a thorough inspection.

## FAQ

**What is the best year for a used Ram 3500?**  
The 2019-2024 fifth-generation models are widely considered the best overall, thanks to the refined cabin, available air suspension, and the high-output 6.7L Cummins with up to 1,075 lb-ft of torque. For a better value, the 2013-2018 fourth-generation trucks offer a mature 6.7L diesel and strong towing at a lower price point.

**Should I avoid any Ram 3500 model years?**  
Years with the CP4 high-pressure fuel pump (common-rail diesels through 2018) are riskier, as pump failures can send metal debris through the fuel system, leading to expensive repairs. Post-2007.5 trucks also have emissions equipment that may require maintenance, so verify the DPF and EGR history.

**Is the 6.4L Hemi gas engine a good choice in the Ram 3500?**  
Yes, the 6.4L Hemi V8 is a stout gas option, offering strong power and lower upfront cost compared to the diesel. However, it has lower torque and towing capacity than the Cummins, and fuel economy is notably worse, making it best for lighter-duty use or shorter trips.

**How reliable is the Cummins 6.7L diesel in the Ram 3500?**  
The 6.7L Cummins is legendary for longevity, often exceeding 300,000 miles with proper maintenance. The main issues are the CP4 pump on pre-2019 models and emissions system problems on post-2007.5 trucks, but the engine block and internals are very durable.

**What is the towing capacity of a Ram 3500 dually?**  
A properly equipped dual-rear-wheel Ram 3500 with the high-output Cummins can tow up to around 37,000 pounds with a gooseneck hitch, though real-world limits depend on configuration and payload. Fifth-wheel towing is typically in the 30,000-35,000-pound range.

**Are Ram 3500s expensive to maintain?**  
Yes, especially the diesel models. Oil changes, fuel filters, and emissions system repairs can be costly, and the CP4 pump replacement runs several thousand dollars. Gas 6.4L models are cheaper to maintain but still require heavy-duty parts and labor.

## Bottom Line

The Ram 3500 is one of the most capable one-ton trucks you can buy used, but **engine choice and fuel-system history make or break the purchase**. The **2019-2024 high-output Cummins DT is the best overall**, with class-leading torque and the finest cabin, while the **2013-2018 6.7L Cummins offers the best value**. On any diesel, confirm the **CP4 pump and emissions hardware** are healthy, and consider the **6.4L Hemi gas** if you want lower risk and upkeep. Buy with documentation in hand and the 3500 delivers serious towing, payload, and durability.

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## Sources

- Ram Trucks official 3500 model history and towing/payload specifications, ramtrucks.com
- NHTSA recall and complaint database for Ram/Dodge 3500, nhtsa.gov
- Cummins 6.7L Turbo Diesel engine specifications and ratings, cummins.com
- Edmunds Ram 3500 generation reviews and used-truck appraisals, edmunds.com
- Kelley Blue Book Ram 3500 used values by model year, kbb.com
- Wikipedia Ram Pickup generations and technical specifications, en.wikipedia.org

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