The RAM 1500 Crew Cab (DT) equipped with the 3.0 EcoDiesel V6 engine and four-wheel drive automatic transmission was produced from 2019 to 2024. This variant occupied a significant position within the fifth generation (DT) RAM 1500 lineup, appealing to buyers seeking a balance between capability, fuel efficiency, and refined comfort in a full-size pickup truck. It represented a diesel option for those prioritizing towing capacity and lower running costs over outright performance, slotting between the gasoline-powered V6 and V8 models in terms of price and capability.
Technical Specifications
| Brand | RAM |
| Model | 1500 |
| Generation | 1500 Crew Cab (DT) |
| Type (Engine) | 3.0 EcoDiesel V6 (260 Hp) 4WD 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) | 11.2 l/100 km (21 US mpg) |
| Fuel consumption (extra urban) | 8.1 l/100 km (29 US mpg) |
| Fuel consumption (combined) | 9.8 l/100 km (24 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 | 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 | 1971 mm (77.6 in.) |
| Wheelbase | 3672 mm (144.57 in.) |
| Front track | 1741 mm (68.54 in.) |
| Rear (Back) track | 1729 mm (68.07 in.) |
| Ride height (ground clearance) | 209-222 mm (8.23 – 8.74 in.) |
| Approach angle | 19.0° |
| Departure angle | 24.9° |
| Ramp-over (brakeover) angle | 17.5-19.5° |
| Drive wheel | All wheel drive (4×4) |
| Number of gears and type of gearbox | 8 gears, 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, developed by VM Motori (a Fiat subsidiary), is a turbocharged diesel known for its robust construction and fuel efficiency. It utilizes a common-rail direct injection system, delivering fuel at extremely high pressures for optimized combustion. The engine features a double overhead camshaft (DOHC) valvetrain with four valves per cylinder, enhancing breathing and contributing to its power output. The turbocharger, coupled with an intercooler, forces more air into the cylinders, boosting horsepower and torque. The engine is longitudinally mounted in the chassis, sending power to all four wheels through an eight-speed automatic transmission. This transmission, sourced from ZF, provides smooth and efficient gear changes, optimizing both fuel economy and towing performance.
Driving Characteristics
The 260 horsepower and 480 lb-ft of torque produced by the EcoDiesel engine provide ample power for everyday driving and demanding tasks. While not as quick off the line as the gasoline-powered V8 models, the diesel offers a broad torque curve, delivering strong pulling power from low engine speeds. This makes it particularly well-suited for towing trailers, boats, or other heavy loads. The eight-speed automatic transmission is tuned for smooth operation and efficient cruising. Compared to manual transmission equipped RAM 1500s, the automatic prioritizes ease of use and convenience, making it ideal for drivers who spend a lot of time in traffic or on long highway journeys. The 4WD system provides enhanced traction in slippery conditions, making it a capable performer in inclement weather or off-road situations.
Equipment & Trim Levels
The 3.0 EcoDiesel V6 was available across several RAM 1500 Crew Cab 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, a rearview camera, and keyless entry. 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 Crew Cab (DT) utilizes a body-on-frame construction, providing a robust and durable platform. The front suspension features a coil spring and double wishbone design, while the rear suspension employs an independent multi-link setup. This combination delivers a comfortable ride quality, even when the truck is loaded. Braking duties are handled by ventilated discs at all four corners, providing ample stopping power. The front brakes measure 378mm, while the rear brakes are 375mm in diameter. An anti-lock braking system (ABS) is standard, enhancing safety and control during emergency braking situations.
Market Reception & Comparison
The RAM 1500 EcoDiesel was generally well-received by critics and consumers alike. It was praised for its fuel efficiency, particularly compared to gasoline-powered full-size trucks. The diesel engine’s torque output made it a popular choice for those who frequently tow or haul heavy loads. Compared to the 3.6-liter V6 gasoline engine, the EcoDiesel offered significantly more torque but slightly less horsepower. The 5.7-liter V8 offered more overall power but at the expense of fuel economy. Reliability proved to be a mixed bag, with some owners reporting issues with the diesel emissions system, a common concern with modern diesel engines.
Legacy
The 3.0 EcoDiesel V6 in the RAM 1500 Crew Cab (DT) established itself as a viable alternative to traditional gasoline engines in the full-size pickup truck segment. While the diesel emissions systems have presented some challenges, the engine’s fuel efficiency and towing capability continue to appeal to a dedicated following. On the used car market, these models generally hold their value well, particularly those in good condition with well-maintained service records. The EcoDiesel powertrain remains a popular choice for buyers seeking a capable and efficient full-size truck.
