What are the 6.7 Cummins specs for 2024?
In 2024, the 6.7-liter Cummins Turbo Diesel is offered in two output configurations for Ram Heavy Duty trucks: standard-output at about 370 horsepower and 850 lb-ft of torque, and high-output at about 420 horsepower and 1,000 lb-ft of torque.
The figures reflect Ram's updates for the 2024 model year across the 2500 and 3500 Heavy Duty lineup and apply to models equipped with this engine. The engine is paired with a heavy-duty automatic transmission and supports tasks from daily hauling to heavy towing and demanding work duties.
Core engine specifications
These are the fundamental architecture and fueling characteristics that define the 6.7L Cummins in 2024 Ram HD models.
- Displacement: 6.7 liters (408 cubic inches)
- Configuration: Inline-6
- Turbocharger: Single turbocharged with variable-geometry for improved efficiency and response
- Intercooler: Air-to-air intercooler
- Fuel system: High-pressure common-rail direct injection
- Emissions: EPA Tier 4 Final
These core traits establish the engine's basic operating footprint, including how it breathes, how fuel is metered, and the emissions footprint for 2024 Ram Heavy Duty trucks.
Power and torque by tune
The 6.7L Cummins is offered in two primary output levels. The numbers above reflect the official figures Ram publishes for the 2024 model year.
- Standard-output: 370 horsepower and 850 lb-ft of torque
- High-output: 420 horsepower and 1,000 lb-ft of torque
- Drivetrain and configuration can affect the exact numbers presented in a vehicle's window sticker
Overall, the two-output setup provides significant low-end and mid-range torque suitable for heavy payloads, towing, and work-duty tasks common on Ram's HD lineup.
Summary
In 2024, Ram's 6.7L Cummins Turbo Diesel remains a two-tune powerplant for Heavy Duty trucks, delivering strong torque and reliable diesel performance that underpins towing ratings and payload capacity across 2500 and 3500 configurations.
Is Cummins coming out with a 7.2 L?
Added 2026 Ram 3500 engine options, including a new 7.2L turbo diesel for massive torque output. Introduction of the 2026 Ram 3500 Cummins gas engine for drivers preferring a gas-powered powerhouse. Upgraded TorqueFlite HD 8-speed transmission for smoother shifts and better efficiency.
How much horsepower does a 2025 6.7 Cummins have?
The 2025 6.7L Cummins engine has two versions: a High-Output version that produces 430 horsepower and 1,075 lb-ft of torque, and a standard-output version with 360 horsepower and 800 lb-ft of torque. These figures are specific to certain vehicle configurations, such as the Ram 2500 for the high-output and chassis cab applications for the standard.
You can watch this video to learn more about the 2025 Ram 2500's 6.7L Cummins diesel engine: 1mDark Iron DieselYouTube · Sep 28, 2025
- High-Output: 430 hp and 1,075 lb-ft of torque. This version is available on certain Ram 2500 and 3500 pickup trucks.
- Standard-Output: 360 hp and 800 lb-ft of torque. This version is available for Chassis Cab applications.
This video explains the changes made to the 6.7L Cummins engine for 2025: 57sThe Fast Lane TruckYouTube · Jul 1, 2025
How much horsepower does a 6.7 Cummins have in 2024?
The 2024 6.7L Cummins engine has two main versions, with the standard output producing 370 horsepower and the high-output (HO) version delivering up to 420 horsepower. The standard output is available in the 2024 Ram 2500 and 3500, while the high-output is exclusive to the Ram 3500.
- Standard Output: 370 hp and 850 lb-ft of torque.
- High-Output: 420 hp and 1,075 lb-ft of torque.
What is the 2024 Ram 3500 6.7 specs?
2024 Ram 3500 Specs
| Engine | 6.4L HEMI V8 | 6.7L high-output Cummins turbo diesel I6 |
|---|---|---|
| Transmission | Eight-speed automatic | Six-speed automatic Aisin heavy-duty |
| Horsepower | 410 HP | 420 HP |
| Torque | 429 lb.-ft. | 1,075 lb.-ft. |
| Max. Towing Capacity | 18,210 lbs. | 37,090 lbs. |
