The RAM 1500 Crew Cab (DT) equipped with the 3.0 EcoDiesel V6 engine and an eight-speed automatic transmission was produced from 2019 to 2024. This variant occupied a significant position within the DT generation (2019-2024) of the RAM 1500 lineup, appealing to buyers seeking a balance between capability, fuel efficiency, and a more refined driving experience compared to the gasoline-powered options. It was positioned as a mid-to-upper tier offering, slotting between the base V6 models and the more powerful V8 configurations. The DT generation represented a substantial overhaul of the RAM 1500, focusing on improved ride quality, interior refinement, and advanced technology.
Technical Specifications
| Brand | RAM |
| Model | 1500 |
| Generation | 1500 Crew Cab (DT) |
| Type (Engine) | 3.0 EcoDiesel V6 (260 Hp) Automatic |
| Start of production | 2019 |
| End of production | 2024 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Pick-up |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 10.7 l/100 km (22 US mpg) |
| Fuel consumption (extra urban) | 7.4 l/100 km (31.8 US mpg) |
| Fuel consumption (combined) | 9 l/100 km (26.1 US mpg) |
| Fuel Type | Diesel |
| Power | 260 Hp @ 3600 rpm |
| Torque | 651 Nm @ 1600 rpm (480.15 lb.-ft. @ 1600 rpm) |
| Maximum engine speed | 5800 rpm |
| Engine layout | Front, Longitudinal |
| Engine displacement | 2988 cm3 (182.34 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | V-engine |
| Cylinder Bore | 83 mm (3.27 in.) |
| Piston Stroke | 92 mm (3.62 in.) |
| Compression ratio | 16:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | Turbocharger, Intercooler |
| Valvetrain | DOHC |
| Engine oil capacity | 8 l (8.45 US qt | 7.04 UK qt) |
| Coolant capacity | 11 l (11.62 US qt | 9.68 UK qt) |
| Trunk (boot) space – maximum | 1526 l (53.89 cu. ft.) |
| Fuel tank capacity | 98 l (25.89 US gal | 21.56 UK gal) |
| Length | 5916 mm (232.91 in.) |
| Width including mirrors | 2084 mm (82.05 in.) |
| Height | 1968 mm (77.48 in.) |
| Wheelbase | 3672 mm (144.57 in.) |
| Front track | 1741 mm (68.54 in.) |
| Rear track | 1729 mm (68.07 in.) |
| Ride height (ground clearance) | 211 mm (8.31 in.) |
| Approach angle | 18.0° |
| Departure angle | 25.1° |
| Ramp-over angle | 19.0° |
| Drivetrain Architecture | Rear wheel drive |
| Number of gears | 8 |
| Gearbox type | Automatic transmission |
| Front suspension | Coil spring, Double wishbone |
| Rear suspension | Independent multi-link suspension |
| Front brakes | Ventilated discs, 378 mm |
| Rear brakes | Disc, 375 mm |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | 275/55 R20 |
| Wheel rims size | 20 |
Powertrain & Engine Architecture
The heart of this RAM 1500 variant is the 3.0-liter EcoDiesel V6 engine, internally designated as the VM21. This engine is a product of collaboration between Fiat Powertrain Technologies (FPT) and VM Motori. It features a cast iron block, aluminum cylinder heads, and a sophisticated turbocharging system with an intercooler. The engine utilizes a common-rail direct injection system, delivering fuel at extremely high pressures for optimized combustion. The DOHC valvetrain, with four valves per cylinder, contributes to efficient airflow and power output. The engine’s torque curve is particularly notable, delivering peak torque at a low 1600 rpm, making it well-suited for towing and hauling. The eight-speed automatic transmission, sourced from ZF, is a crucial component, providing smooth and efficient gear changes. It’s designed to work in harmony with the diesel engine’s torque characteristics, optimizing both fuel economy and performance.
Driving Characteristics
The 260 horsepower and 480 lb-ft of torque produced by the EcoDiesel engine translate into a capable and comfortable driving experience. While not as overtly powerful as the 5.7L HEMI V8, the diesel offers a different kind of performance – one characterized by strong low-end torque. This makes it excellent for towing trailers, hauling heavy loads, and navigating challenging terrain. The eight-speed automatic transmission is well-programmed, providing smooth shifts and keeping the engine in its optimal power band. Compared to the gasoline-powered 3.6L V6, the EcoDiesel feels more relaxed at highway speeds and offers significantly better fuel economy. The automatic transmission, while smooth, doesn’t offer the same level of driver engagement as a manual transmission, but it caters to the preferences of the target audience who prioritize ease of use and comfort.
Equipment & Trim Levels
The 3.0 EcoDiesel V6 was available across several RAM 1500 trim levels, including Big Horn/Lone Star, Laramie, Limited, and Longhorn. Standard equipment typically included features like a Uconnect infotainment system with a touchscreen display, Apple CarPlay and Android Auto compatibility, keyless entry, and a rearview camera. Higher trim levels added luxury features such as leather upholstery, heated and ventilated seats, a premium sound system, and advanced safety technologies like adaptive cruise control and lane departure warning. Optional extras included a panoramic sunroof, a bed liner, and various off-road packages.
Chassis & Braking
The RAM 1500 DT utilizes a fully boxed frame constructed from high-strength steel, providing a solid foundation for the vehicle. The front suspension features a coil spring, double wishbone design, while the rear suspension employs an independent multi-link setup. This combination delivers a comfortable ride and good handling characteristics. Braking duties are handled by ventilated discs at all four corners, with larger rotors on the front axle. The anti-lock braking system (ABS) is standard, enhancing safety and control. The rear brakes are discs, a step up from the drums found on some lower trim levels of the RAM 1500.
Market Reception & Comparison
The RAM 1500 EcoDiesel received generally positive reviews from automotive critics. It was praised for its fuel efficiency, strong towing capacity, and refined driving experience. Compared to the gasoline-powered V6 and V8 options, the EcoDiesel offered a compelling alternative for buyers who prioritized fuel economy and torque. However, some critics noted that the diesel engine was more expensive than the gasoline engines and that it produced more noise and vibration. In terms of reliability, the EcoDiesel engine had some early issues with diesel particulate filter (DPF) clogging and emissions system components, but these were largely addressed through software updates and revised hardware in later model years.
Legacy
The 3.0 EcoDiesel V6 in the RAM 1500 DT has established itself as a popular choice for truck buyers seeking a fuel-efficient and capable full-size pickup. While the diesel engine was discontinued in the RAM 1500 after the 2024 model year, it remains a sought-after option in the used car market. The powertrain’s long-term reliability is generally good, particularly in models that have received the necessary software updates and maintenance. The EcoDiesel-powered RAM 1500 represents a significant step forward in diesel truck technology, offering a compelling blend of performance, efficiency, and refinement.
