The Ram 2500 is a three-quarter-ton heavy-duty pickup truck produced by Ram Trucks (formerly Dodge) from 2003 to the present. It is available in Regular Cab, Crew Cab, and Mega Cab body styles with 4×2 and 4×4 drivetrains, and two primary powertrain options across most model years.
This guide covers Ram 2500 towing capacity by model year, including maximum trailer weight, payload capacity, GCWR, tongue weight, and hitch requirements for each configuration. Following manufacturer-rated towing limits protects the engine, transmission, and braking systems from overload damage.
Quick Navigation
2026 Ram 2500 Towing Capacity
| Specification | Detail |
|---|---|
| Engine Options | 6.4L HEMI V8; High-Output 6.7L Cummins Turbo Diesel I6 |
| Drivetrain | 4×2 / 4×4 |
| Maximum Towing Capacity | 20,000 lbs (9,072 kg) |
| Conventional Towing Capacity | 17,750 lbs (8,051 kg) – HEMI V8 |
| Fifth-Wheel / Gooseneck Capacity | Up to 20,000 lbs (9,072 kg) with diesel and prep group |
| Maximum Payload Capacity | 4,580 lbs (2,077 kg) – HEMI V8; 3,600 lbs (1,633 kg) – Diesel |
| Gross Combined Weight Rating (GCWR) | Up to 28,000 lbs (12,701 kg) |
| Tongue Weight Limit | 1,800 lbs (816 kg) – conventional hitch |
| Hitch Class | Class V |
| Factory Tow Package | Optional (5th-Wheel/Gooseneck Prep Group available) |
The 2026 Ram 2500 reaches a maximum towing capacity of 20,000 lbs when equipped with the High-Output 6.7L Cummins Turbo Diesel I6, a Crew Cab, and 8-foot bed. The standard 6.4L HEMI V8 provides a maximum towing capacity of 17,750 lbs with a regular cab, 8-foot bed, and 4×2 drivetrain. Maximum payload of 4,580 lbs is achieved with the HEMI V8 in a regular cab 4×2 configuration.
2025 Ram 2500 Towing Capacity
| Specification | Detail |
|---|---|
| Engine Options | 6.4L HEMI V8; 6.7L Cummins Turbo Diesel I6 |
| Drivetrain | 4×2 / 4×4 |
| Maximum Towing Capacity | 20,000 lbs (9,072 kg) |
| Conventional Towing Capacity | 17,750 lbs (8,051 kg) – HEMI V8 |
| Fifth-Wheel / Gooseneck Capacity | Up to 20,000 lbs (9,072 kg) with diesel and prep group |
| Maximum Payload Capacity | 3,940 lbs (1,787 kg) – HEMI V8; 2,750 lbs (1,247 kg) – Diesel |
| Gross Combined Weight Rating (GCWR) | Up to 27,650 lbs (12,542 kg) |
| Tongue Weight Limit | 1,800 lbs (816 kg) – conventional hitch |
| Hitch Class | Class V |
| Factory Tow Package | Optional |
The 2025 Ram 2500 offers a maximum towing capacity of 20,000 lbs when configured with the Cummins diesel engine, crew cab, 8-foot bed, and 4×2 drivetrain. The HEMI V8 tops out at 17,750 lbs with a regular cab, 8-foot bed, 4×2 drivetrain, and optional 4.10 axle ratio. Proper engine and drivetrain selection is required to reach the published maximum trailer weight rating.
2024 Ram 2500 Towing Capacity
| Specification | Detail |
|---|---|
| Engine Options | 6.4L HEMI V8; 6.7L Cummins Turbo Diesel I6 |
| Drivetrain | 4×2 / 4×4 |
| Maximum Towing Capacity | 19,990 lbs (9,068 kg) |
| Conventional Towing Capacity | 17,730 lbs (8,042 kg) – HEMI V8 |
| Fifth-Wheel / Gooseneck Capacity | Up to 19,990 lbs (9,068 kg) with diesel |
| Maximum Payload Capacity | 4,000 lbs (1,814 kg) – HEMI V8; 3,150 lbs (1,429 kg) – Diesel |
| Gross Combined Weight Rating (GCWR) | Up to 27,650 lbs (12,542 kg) |
| Tongue Weight Limit | 1,800 lbs (816 kg) – conventional hitch |
| Hitch Class | Class V |
| Factory Tow Package | Optional |
The 2024 Ram 2500 has a maximum towing capacity of 19,990 lbs when equipped with the 6.7L Cummins Turbo Diesel I6. The 6.4L HEMI V8 delivers a maximum trailer weight rating of 17,730 lbs. Payload of 4,000 lbs is the maximum available with the gas engine configuration.
2023 Ram 2500 Towing Capacity
| Specification | Detail |
|---|---|
| Engine Options | 6.4L HEMI V8; 6.7L Cummins Turbo Diesel I6 |
| Drivetrain | 4×2 / 4×4 |
| Maximum Towing Capacity | 20,000 lbs (9,072 kg) |
| Conventional Towing Capacity | 17,540 lbs (7,957 kg) – HEMI V8 |
| Fifth-Wheel / Gooseneck Capacity | Up to 20,000 lbs (9,072 kg) with diesel |
| Maximum Payload Capacity | 4,000 lbs (1,814 kg) – HEMI V8; 3,150 lbs (1,429 kg) – Diesel |
| Gross Combined Weight Rating (GCWR) | Up to 27,000 lbs (12,247 kg) |
| Tongue Weight Limit | 1,800 lbs (816 kg) – conventional hitch |
| Hitch Class | Class V |
| Factory Tow Package | Optional |
The 2023 Ram 2500 achieves a maximum towing capacity of 20,000 lbs with the available 6.7L Cummins Turbo Diesel I6 engine. The 6.4L HEMI V8 provides a maximum gas towing capacity of 17,540 lbs. Maximum gas payload for the 2023 model is rated at 4,000 lbs.
2022 Ram 2500 Towing Capacity
| Specification | Detail |
|---|---|
| Engine Options | 6.4L HEMI V8; 6.7L Cummins Turbo Diesel I6 |
| Drivetrain | 4×2 / 4×4 |
| Maximum Towing Capacity | 20,000 lbs (9,072 kg) |
| Conventional Towing Capacity | 17,540 lbs (7,957 kg) – HEMI V8 |
| Fifth-Wheel / Gooseneck Capacity | Up to 20,000 lbs (9,072 kg) with diesel |
| Maximum Payload Capacity | 3,990 lbs (1,810 kg) – HEMI V8; 3,160 lbs (1,433 kg) – Diesel |
| Gross Combined Weight Rating (GCWR) | Up to 27,000 lbs (12,247 kg) |
| Tongue Weight Limit | 1,800 lbs (816 kg) – conventional hitch |
| Hitch Class | Class V |
| Factory Tow Package | Optional |
The 2022 Ram 2500 carries a maximum towing capacity of 20,000 lbs with the diesel engine, matching the 2023 model year rating. The HEMI V8 configuration supports up to 17,540 lbs of trailer weight. Operating within the rated towing limits preserves transmission life and braking reliability.
2021 Ram 2500 Towing Capacity
| Specification | Detail |
|---|---|
| Engine Options | 6.4L HEMI V8; 6.7L Cummins Turbo Diesel I6 |
| Drivetrain | 4×2 / 4×4 |
| Maximum Towing Capacity | 19,780 lbs (8,973 kg) |
| Conventional Towing Capacity | 16,680 lbs (7,566 kg) – HEMI V8 |
| Fifth-Wheel / Gooseneck Capacity | Up to 19,780 lbs (8,973 kg) with diesel |
| Maximum Payload Capacity | 3,990 lbs (1,810 kg) – HEMI V8; 3,160 lbs (1,433 kg) – Diesel |
| Gross Combined Weight Rating (GCWR) | Up to 26,000 lbs (11,793 kg) |
| Tongue Weight Limit | 1,800 lbs (816 kg) – conventional hitch |
| Hitch Class | Class V |
| Factory Tow Package | Optional |
The 2021 Ram 2500 has a maximum towing capacity of 19,780 lbs with the diesel engine and proper equipment. A 4×4 drivetrain configuration with the same diesel engine may reduce the maximum trailer weight compared to a 4×2 setup. The HEMI V8 reaches a maximum of 16,680 lbs under the best-equipped specification.
2020 Ram 2500 Towing Capacity
| Specification | Detail |
|---|---|
| Engine Options | 6.4L HEMI V8; 6.7L Cummins Turbo Diesel I6 |
| Drivetrain | 4×2 / 4×4 |
| Maximum Towing Capacity | 19,780 lbs (8,973 kg) |
| Conventional Towing Capacity | 16,680 lbs (7,566 kg) – HEMI V8 |
| Fifth-Wheel / Gooseneck Capacity | Up to 19,780 lbs (8,973 kg) with diesel |
| Maximum Payload Capacity | 3,990 lbs (1,810 kg) |
| Gross Combined Weight Rating (GCWR) | Up to 26,000 lbs (11,793 kg) |
| Tongue Weight Limit | 1,800 lbs (816 kg) – conventional hitch |
| Hitch Class | Class V |
| Factory Tow Package | Optional |
The 2020 Ram 2500 shares a maximum towing rating of 19,780 lbs with the 2019 and 2021 model years. The diesel engine is required to reach this maximum trailer weight limit. GCWR should never be exceeded regardless of the towing configuration selected.
2019 Ram 2500 Towing Capacity
| Specification | Detail |
|---|---|
| Engine Options | 6.4L HEMI V8; 6.7L Cummins Turbo Diesel I6 |
| Drivetrain | 4×2 / 4×4 |
| Maximum Towing Capacity | 19,780 lbs (8,973 kg) |
| Conventional Towing Capacity | 16,320 lbs (7,402 kg) – HEMI V8 |
| Fifth-Wheel / Gooseneck Capacity | Up to 19,780 lbs (8,973 kg) with diesel |
| Maximum Payload Capacity | 3,990 lbs (1,810 kg) |
| Gross Combined Weight Rating (GCWR) | Up to 26,000 lbs (11,793 kg) |
| Tongue Weight Limit | 1,800 lbs (816 kg) – conventional hitch |
| Hitch Class | Class V |
| Factory Tow Package | Optional |
The 2019 Ram 2500 was the first model year of the fourth-generation Ram 2500, offering a maximum towing capacity of 19,780 lbs. This generation introduced updated diesel calibration and towing controls. Payload ratings vary significantly based on cab style, bed length, and axle configuration.
2018 Ram 2500 Towing Capacity
| Specification | Detail |
|---|---|
| Engine Options | 5.7L HEMI V8; 6.4L HEMI V8; 6.7L Cummins Turbo Diesel I6 |
| Drivetrain | 4×2 / 4×4 |
| Maximum Towing Capacity | 17,980 lbs (8,155 kg) |
| Conventional Towing Capacity | 13,890 lbs (6,301 kg) – HEMI V8 |
| Fifth-Wheel / Gooseneck Capacity | Up to 17,980 lbs (8,155 kg) with diesel |
| Maximum Payload Capacity | 3,160 lbs (1,433 kg) |
| Gross Combined Weight Rating (GCWR) | Up to 24,000 lbs (10,886 kg) |
| Tongue Weight Limit | 1,800 lbs (816 kg) – conventional hitch |
| Hitch Class | Class IV / Class V |
| Factory Tow Package | Optional |
The 2018 Ram 2500 is the final year of the third-generation design, with a maximum towing capacity of 17,980 lbs when diesel-equipped. The HEMI V8 in this model year provides a lower trailer weight limit than the diesel alternative. Factory Class IV trailer hitches fit all 2003 to 2025 Ram 2500 models without a factory hitch.
2017 Ram 2500 Towing Capacity
| Specification | Detail |
|---|---|
| Engine Options | 5.7L HEMI V8; 6.4L HEMI V8; 6.7L Cummins Turbo Diesel I6 |
| Drivetrain | 4×2 / 4×4 |
| Maximum Towing Capacity | 17,980 lbs (8,155 kg) |
| Conventional Towing Capacity | 13,890 lbs (6,301 kg) – HEMI V8 |
| Fifth-Wheel / Gooseneck Capacity | Up to 17,980 lbs (8,155 kg) with diesel |
| Maximum Payload Capacity | 3,160 lbs (1,433 kg) |
| Gross Combined Weight Rating (GCWR) | Up to 24,000 lbs (10,886 kg) |
| Tongue Weight Limit | 1,800 lbs (816 kg) – conventional hitch |
| Hitch Class | Class IV / Class V |
| Factory Tow Package | Optional |
The 2017 Ram 2500 carries a maximum towing capacity of 17,980 lbs, matching the 2018 model year. Engine selection between the gas HEMI and Cummins diesel determines the maximum trailer weight available for a given configuration. Staying within the published GCWR is required regardless of engine or drivetrain choice.
2016 Ram 2500 Towing Capacity
| Specification | Detail |
|---|---|
| Engine Options | 5.7L HEMI V8; 6.4L HEMI V8; 6.7L Cummins Turbo Diesel I6 |
| Drivetrain | 4×2 / 4×4 |
| Maximum Towing Capacity | 17,980 lbs (8,155 kg) |
| Conventional Towing Capacity | 13,890 lbs (6,301 kg) – HEMI V8 |
| Fifth-Wheel / Gooseneck Capacity | Up to 17,980 lbs (8,155 kg) with diesel |
| Maximum Payload Capacity | 3,160 lbs (1,433 kg) |
| Gross Combined Weight Rating (GCWR) | Up to 24,000 lbs (10,886 kg) |
| Tongue Weight Limit | 1,800 lbs (816 kg) – conventional hitch |
| Hitch Class | Class IV / Class V |
| Factory Tow Package | Optional |
The 2016 Ram 2500 maintains the same maximum towing capacity of 17,980 lbs as surrounding model years in this generation. The 6.7L Cummins diesel remains the top-rated engine for maximum trailer weight in this period. Towing limits apply to properly equipped trucks with the correct axle ratio installed.
2015 Ram 2500 Towing Capacity
| Specification | Detail |
|---|---|
| Engine Options | 5.7L HEMI V8; 6.4L HEMI V8; 6.7L Cummins Turbo Diesel I6 |
| Drivetrain | 4×2 / 4×4 |
| Maximum Towing Capacity | 17,980 lbs (8,155 kg) |
| Conventional Towing Capacity | 13,000 lbs (5,897 kg) – HEMI V8 |
| Fifth-Wheel / Gooseneck Capacity | Up to 17,980 lbs (8,155 kg) with diesel |
| Maximum Payload Capacity | 3,160 lbs (1,433 kg) |
| Gross Combined Weight Rating (GCWR) | Up to 24,000 lbs (10,886 kg) |
| Tongue Weight Limit | 1,800 lbs (816 kg) – conventional hitch |
| Hitch Class | Class IV / Class V |
| Factory Tow Package | Optional |
The 2015 Ram 2500 towing chart is SAE J2807 compliant, meaning manufacturer figures were tested and reported under a standardized procedure. The maximum towing capacity of 17,980 lbs requires the Cummins diesel and the appropriate factory tow package. Payload and trailer weight ratings are mutually exclusive values.
2014 Ram 2500 Towing Capacity
| Specification | Detail |
|---|---|
| Engine Options | 5.7L HEMI V8; 6.4L HEMI V8; 6.7L Cummins Turbo Diesel I6 |
| Drivetrain | 4×2 / 4×4 |
| Maximum Towing Capacity | 17,980 lbs (8,155 kg) |
| Conventional Towing Capacity | 13,000 lbs (5,897 kg) – HEMI V8 |
| Fifth-Wheel / Gooseneck Capacity | Up to 17,980 lbs (8,155 kg) with diesel |
| Maximum Payload Capacity | 3,160 lbs (1,433 kg) |
| Gross Combined Weight Rating (GCWR) | Up to 24,000 lbs (10,886 kg) |
| Tongue Weight Limit | 1,800 lbs (816 kg) – conventional hitch |
| Hitch Class | Class IV / Class V |
| Factory Tow Package | Optional |
The 2014 Ram 2500 maximum towing capacity is 17,980 lbs with the diesel engine when properly equipped. The 6.7L Cummins diesel was introduced for the Ram 2500 beginning in the 2007 model year and continued to be the primary diesel option. Trailers over 12,000 lbs require a fifth-wheel or gooseneck hitch setup.
2013 Ram 2500 Towing Capacity
| Specification | Detail |
|---|---|
| Engine Options | 5.7L HEMI V8; 6.7L Cummins Turbo Diesel I6 |
| Drivetrain | 4×2 / 4×4 |
| Maximum Towing Capacity | 17,980 lbs (8,155 kg) |
| Conventional Towing Capacity | 11,960 lbs (5,425 kg) – HEMI V8 |
| Fifth-Wheel / Gooseneck Capacity | Up to 17,980 lbs (8,155 kg) with diesel |
| Maximum Payload Capacity | 2,930 lbs (1,329 kg) – HEMI V8 |
| Gross Combined Weight Rating (GCWR) | Up to 20,000 lbs (9,072 kg) |
| Tongue Weight Limit | 1,800 lbs (816 kg) – conventional hitch |
| Hitch Class | Class IV / Class V |
| Factory Tow Package | Optional |
The 2013 Ram 2500 with the 5.7L HEMI V8 and 6-speed automatic carries a conventional towing capacity of 11,960 lbs in a Regular Cab 4×4 long bed configuration. The Cummins diesel provides access to the full 17,980 lb maximum trailer weight rating. Ram recommends a weight-distributing hitch for trailers between 5,000 and 12,000 lbs.
2012 Ram 2500 Towing Capacity
| Specification | Detail |
|---|---|
| Engine Options | 5.7L HEMI V8; 6.7L Cummins Turbo Diesel I6 |
| Drivetrain | 4×2 / 4×4 |
| Maximum Towing Capacity | 17,000 lbs (7,711 kg) – diesel equipped |
| Conventional Towing Capacity | 14,650 lbs (6,645 kg) – gas engine |
| Fifth-Wheel / Gooseneck Capacity | Up to 17,000 lbs (7,711 kg) with diesel |
| Maximum Payload Capacity | 2,510 lbs (1,139 kg) – HEMI V8 |
| Gross Combined Weight Rating (GCWR) | Up to 22,000 lbs (9,979 kg) |
| Tongue Weight Limit | 1,800 lbs (816 kg) – conventional hitch |
| Hitch Class | Class IV / Class V |
| Factory Tow Package | Optional |
The 2012 Ram 2500 gas engine variant carries a maximum towing capacity of 14,650 lbs. Diesel-equipped models with the 4.10 axle and appropriate GCWR can reach higher trailer weight limits depending on cab and bed configuration. Payload is rated separately from trailer weight and must be calculated independently.
2011 Ram 2500 Towing Capacity
| Specification | Detail |
|---|---|
| Engine Options | 5.7L HEMI V8; 6.7L Cummins Turbo Diesel I6 |
| Drivetrain | 4×2 / 4×4 |
| Maximum Towing Capacity | 17,500 lbs (7,938 kg) |
| Conventional Towing Capacity | 13,000 lbs (5,897 kg) – HEMI V8 |
| Fifth-Wheel / Gooseneck Capacity | Up to 17,500 lbs (7,938 kg) with diesel |
| Maximum Payload Capacity | 2,930 lbs (1,329 kg) |
| Gross Combined Weight Rating (GCWR) | Up to 22,000 lbs (9,979 kg) |
| Tongue Weight Limit | 1,800 lbs (816 kg) – conventional hitch |
| Hitch Class | Class IV / Class V |
| Factory Tow Package | Optional |
The 2011 Ram 2500 provides a maximum towing capacity of approximately 17,500 lbs with the 6.7L Cummins diesel when properly equipped. Engine, cab style, bed length, and axle ratio all influence the actual trailer weight limit for a specific build. Owner manuals and manufacturer towing charts must be consulted for precise configuration-specific limits.
2010 Ram 2500 Towing Capacity
| Specification | Detail |
|---|---|
| Engine Options | 5.7L HEMI V8; 6.7L Cummins Turbo Diesel I6 |
| Drivetrain | 4×2 / 4×4 |
| Maximum Towing Capacity | 17,500 lbs (7,938 kg) |
| Conventional Towing Capacity | 13,000 lbs (5,897 kg) – HEMI V8 |
| Fifth-Wheel / Gooseneck Capacity | Up to 17,500 lbs (7,938 kg) with diesel |
| Maximum Payload Capacity | 2,930 lbs (1,329 kg) |
| Gross Combined Weight Rating (GCWR) | Up to 20,000 lbs (9,072 kg) |
| Tongue Weight Limit | 1,800 lbs (816 kg) – conventional hitch |
| Hitch Class | Class IV / Class V |
| Factory Tow Package | Optional |
The 2010 Ram 2500 with the 6.7L Cummins diesel and 4×4 drivetrain has a GCWR that limits towing depending on actual truck weight. The diesel GCWR of 20,000 lbs means the effective trailer weight depends on the truck’s base weight, passengers, and cargo. A fifth-wheel hitch is required for trailers over 12,000 lbs.
2009 Ram 2500 Towing Capacity
| Specification | Detail |
|---|---|
| Engine Options | 5.7L HEMI V8; 6.7L Cummins Turbo Diesel I6 |
| Drivetrain | 4×2 / 4×4 |
| Maximum Towing Capacity | 16,950 lbs (7,689 kg) |
| Conventional Towing Capacity | 12,750 lbs (5,783 kg) – HEMI V8 |
| Fifth-Wheel / Gooseneck Capacity | Up to 16,950 lbs (7,689 kg) with diesel |
| Maximum Payload Capacity | 2,800 lbs (1,270 kg) |
| Gross Combined Weight Rating (GCWR) | Up to 20,000 lbs (9,072 kg) |
| Tongue Weight Limit | 1,800 lbs (816 kg) – conventional hitch |
| Hitch Class | Class IV / Class V |
| Factory Tow Package | Optional |
The 2009 Ram 2500 introduced a 6.7L Cummins diesel rated at 350 hp and 650 lb-ft of torque, replacing the 5.9L Cummins from prior years. Maximum towing capacity for the diesel configuration reached approximately 16,950 lbs in best-equipped form. The 5.7L HEMI V8 continued as the gas engine option for this model year.
2008 Ram 2500 Towing Capacity
| Specification | Detail |
|---|---|
| Engine Options | 5.7L HEMI V8; 6.7L Cummins Turbo Diesel I6 |
| Drivetrain | 4×2 / 4×4 |
| Maximum Towing Capacity | 16,100 lbs (7,303 kg) |
| Conventional Towing Capacity | 12,500 lbs (5,670 kg) – HEMI V8 |
| Fifth-Wheel / Gooseneck Capacity | Up to 16,100 lbs (7,303 kg) with diesel |
| Maximum Payload Capacity | 2,800 lbs (1,270 kg) |
| Gross Combined Weight Rating (GCWR) | Up to 19,000 lbs (8,618 kg) |
| Tongue Weight Limit | 1,800 lbs (816 kg) – conventional hitch |
| Hitch Class | Class IV / Class V |
| Factory Tow Package | Optional |
The 2008 Ram 2500 saw the transition from the 5.9L to the 6.7L Cummins diesel engine mid-generation. Towing limits for this model year depend on whether the truck uses the 5.9L or 6.7L diesel. Some 2008 models built early in the production run retained the 5.9L engine with its associated towing specifications.
2007 Ram 2500 Towing Capacity
| Specification | Detail |
|---|---|
| Engine Options | 5.7L HEMI V8; 5.9L Cummins Turbo Diesel I6; 6.7L Cummins Turbo Diesel I6 (late production) |
| Drivetrain | 4×2 / 4×4 |
| Maximum Towing Capacity | 15,600 lbs (7,076 kg) |
| Conventional Towing Capacity | 12,500 lbs (5,670 kg) – HEMI V8 |
| Fifth-Wheel / Gooseneck Capacity | Up to 15,600 lbs (7,076 kg) with diesel |
| Maximum Payload Capacity | 2,700 lbs (1,225 kg) |
| Gross Combined Weight Rating (GCWR) | Up to 19,000 lbs (8,618 kg) |
| Tongue Weight Limit | 1,800 lbs (816 kg) – conventional hitch |
| Hitch Class | Class IV / Class V |
| Factory Tow Package | Optional |
The 2007 Ram 2500 is a transition year, with the 5.9L Cummins diesel replaced by the 6.7L Cummins diesel during the production run. The 6.7L Cummins in late 2007 production was rated at 350 hp and 650 lb-ft of torque. Towing capacity for the 5.9L Cummins in early 2007 production was slightly lower than the 6.7L variant.
2006 Ram 2500 Towing Capacity
| Specification | Detail |
|---|---|
| Engine Options | 5.7L HEMI V8; 5.9L Cummins Turbo Diesel I6 |
| Drivetrain | 4×2 / 4×4 |
| Maximum Towing Capacity | 14,500 lbs (6,577 kg) |
| Conventional Towing Capacity | 12,200 lbs (5,534 kg) – HEMI V8 |
| Fifth-Wheel / Gooseneck Capacity | Up to 14,500 lbs (6,577 kg) with diesel |
| Maximum Payload Capacity | 2,700 lbs (1,225 kg) |
| Gross Combined Weight Rating (GCWR) | Up to 19,000 lbs (8,618 kg) |
| Tongue Weight Limit | 1,800 lbs (816 kg) – conventional hitch |
| Hitch Class | Class IV / Class V |
| Factory Tow Package | Optional |
The 2006 Ram 2500 uses the 5.9L Cummins High Output diesel rated at 325 hp and 610 lb-ft of torque. Maximum towing capacity reached approximately 14,500 lbs with the diesel engine and proper equipment. The 5.7L HEMI V8 was rated at 345 hp for 2003 to 2008 model years.
2005 Ram 2500 Towing Capacity
| Specification | Detail |
|---|---|
| Engine Options | 5.7L HEMI V8; 5.9L Cummins Turbo Diesel I6 |
| Drivetrain | 4×2 / 4×4 |
| Maximum Towing Capacity | 14,500 lbs (6,577 kg) |
| Conventional Towing Capacity | 12,200 lbs (5,534 kg) – HEMI V8 |
| Fifth-Wheel / Gooseneck Capacity | Up to 14,500 lbs (6,577 kg) with diesel |
| Maximum Payload Capacity | 2,700 lbs (1,225 kg) |
| Gross Combined Weight Rating (GCWR) | Up to 18,500 lbs (8,391 kg) |
| Tongue Weight Limit | 1,800 lbs (816 kg) – conventional hitch |
| Hitch Class | Class IV / Class V |
| Factory Tow Package | Optional |
The 2005 Ram 2500 diesel used the 5.9L Cummins High Output engine, introduced at 325 hp and 610 lb-ft of torque from the 2004.5 model year onward. Maximum trailer weight for this model year with diesel is approximately 14,500 lbs when the factory tow package and correct axle are specified. Gas-engine models have a lower towing capacity than diesel-equipped counterparts.
2004 Ram 2500 Towing Capacity
| Specification | Detail |
|---|---|
| Engine Options | 5.7L HEMI V8; 5.9L Cummins Turbo Diesel I6 |
| Drivetrain | 4×2 / 4×4 |
| Maximum Towing Capacity | 13,100 lbs (5,942 kg) |
| Conventional Towing Capacity | 12,850 lbs (5,829 kg) – HEMI V8 |
| Fifth-Wheel / Gooseneck Capacity | Up to 13,100 lbs (5,942 kg) with diesel |
| Maximum Payload Capacity | 2,600 lbs (1,179 kg) |
| Gross Combined Weight Rating (GCWR) | Up to 17,000 lbs (7,711 kg) |
| Tongue Weight Limit | 1,800 lbs (816 kg) – conventional hitch |
| Hitch Class | Class IV |
| Factory Tow Package | Optional |
The 2004 Ram 2500 gas engine towing capacity reaches 12,850 lbs. The diesel engine for the 2004 model year transitioned mid-cycle to the 325 hp High Output 5.9L Cummins from the 2004.5 model onward. The GCWR on early 2004 models limits the diesel variant to approximately 17,000 lbs combined weight.
2003 Ram 2500 Towing Capacity
| Specification | Detail |
|---|---|
| Engine Options | 5.7L HEMI V8; 5.9L Cummins Turbo Diesel I6; 8.0L Magnum V10 |
| Drivetrain | 4×2 / 4×4 |
| Maximum Towing Capacity | 14,000 lbs (6,350 kg) – diesel HO; 12,000 lbs (5,443 kg) – gas |
| Conventional Towing Capacity | 12,000 lbs (5,443 kg) – HEMI V8 |
| Fifth-Wheel / Gooseneck Capacity | Up to 14,000 lbs (6,350 kg) with HO diesel |
| Maximum Payload Capacity | 2,600 lbs (1,179 kg) |
| Gross Combined Weight Rating (GCWR) | Up to 17,000 lbs (7,711 kg) |
| Tongue Weight Limit | 1,800 lbs (816 kg) – conventional hitch |
| Hitch Class | Class IV |
| Factory Tow Package | Optional |
The 2003 Ram 2500 was offered with three engine options: the 5.7L HEMI V8, the 5.9L Cummins diesel in standard and High Output trims, and the 8.0L Magnum V10. The High Output 5.9L Cummins was rated at 305 hp and 555 lb-ft of torque for 2003 to 2004. The 8.0L V10 produced 310 hp and 450 lb-ft of torque and was discontinued after the 2003 model year.
Towing Equipment and Setup
Selecting the correct equipment is required to reach the manufacturer’s stated maximum towing capacity and to maintain safe towing control.
Tow Package
The factory tow package on the Ram 2500 typically includes a receiver hitch, trailer wiring harness, transmission cooler, and upgraded cooling systems. Without the tow package, the rated maximum trailer weight cannot be safely or legally achieved. The 5th-Wheel/Gooseneck Towing Prep Group is a separate optional package that enables the highest trailer weight ratings.
Trailer Brake Controller
An integrated trailer brake controller is required for trailers exceeding 3,000 lbs. The Ram 2500 includes integrated trailer brake controller support as part of its towing infrastructure. Trailer brakes reduce stopping distance and prevent trailer sway under heavy deceleration.
Weight-Distributing Hitch
Ram recommends a weight-distributing hitch for trailers between 5,000 and 12,000 lbs. Trailers over 12,000 lbs require a fifth-wheel or gooseneck hitch rather than a conventional receiver hitch. The maximum tongue weight for a Class V conventional receiver hitch is limited to 1,800 lbs.
Hitch Class Reference
| Setup Type | Trailer Weight Range | Hitch Required |
|---|---|---|
| Conventional receiver hitch | Up to 12,000 lbs | Class IV or Class V |
| Weight-distributing hitch | 5,000 to 12,000 lbs | Class IV or Class V with WD head |
| Fifth-wheel / Gooseneck | Over 12,000 lbs | Bed-mounted fifth-wheel or gooseneck |
Additional Equipment
A transmission cooler is required for extended towing and is included in factory tow packages. Proper tire load ratings must match or exceed the loaded vehicle and tongue weight combined. Trailer sway control, available as an integrated feature on newer Ram 2500 models, helps maintain stability under crosswind conditions.
Frequently Asked Questions
What is the maximum towing capacity of a Ram 2500?
The maximum towing capacity of the Ram 2500 is 20,000 lbs, available on 2022 and 2023 model years and matched by the 2025 and 2026 models. This rating requires the High-Output 6.7L Cummins Turbo Diesel I6, a specific cab and bed combination, and the factory tow package. The 6.4L HEMI V8 reaches a maximum of 17,750 lbs under the best-equipped configuration.
How much can a Ram 2500 tow with a tow package?
With the factory tow package and diesel engine, the Ram 2500 can tow up to 20,000 lbs in its highest-rated configuration. Without the factory tow package, the maximum trailer weight limit is lower due to reduced cooling capacity and missing hitch infrastructure. The 5th-Wheel/Gooseneck Towing Prep Group is required separately for trailers over 18,000 lbs.
Does 4WD affect Ram 2500 towing capacity?
Yes, a 4×4 drivetrain typically reduces the maximum trailer weight rating compared to a 4×2 configuration with the same engine. This is because 4×4 components add weight to the truck, increasing base weight and reducing available towing capacity within the GCWR. The difference can be several hundred pounds in the maximum trailer weight limit.
What trailer weight is safe for a Ram 2500?
A safe trailer weight for a Ram 2500 depends on the specific model year, engine, cab style, bed length, and axle ratio. The manufacturer’s towing chart for the specific model year and configuration is the only source for the precise maximum trailer weight. Operating at or below 80 percent of the rated capacity improves braking control and drivetrain reliability.
Do I need a weight-distributing hitch for a Ram 2500?
A weight-distributing hitch is recommended by Ram for trailers weighing between 5,000 and 12,000 lbs. Trailers over 12,000 lbs require a fifth-wheel or gooseneck setup rather than any conventional receiver hitch. Below 5,000 lbs, a conventional Class IV receiver hitch is sufficient for most Ram 2500 configurations.
What is the Ram 2500 hitch receiver size?
The Ram 2500 uses a 2.5-inch hitch receiver, which is larger than the standard 2-inch receiver found on light-duty trucks. This larger receiver supports the higher tongue weight and trailer weight ratings characteristic of the Ram 2500. Aftermarket Class IV hitches fit all 2003 to 2025 Ram 2500 models without a factory hitch.
Conclusion
The Ram 2500 towing capacity range spans from approximately 12,000 lbs on early 2003 gas engine models to 20,000 lbs on the best-equipped modern diesel configurations. Engine selection, drivetrain, cab and bed configuration, and axle ratio all directly determine the maximum trailer weight for any specific build. The 6.7L Cummins Turbo Diesel I6 consistently provides the highest towing specifications across all model years in which it was offered, while the HEMI V8 engines offer competitive gas-powered towing for lighter loads. The factory tow package is required to reach the published maximum towing capacity for any model year. Always verify specifications using the owner’s manual before towing heavy loads.
