2012 RAM 25003500 Crew Cab Long I 3500 6.7 HO Cummins TD (350 Hp) 4×4 Automatic DRW

The RAM 2500/3500 Crew Cab Long I, specifically the 3500 model equipped with the 6.7 HO Cummins turbocharged diesel engine producing 350 horsepower and paired with a six-speed automatic transmission and four-wheel drive (4×4), represents a significant offering in the heavy-duty pickup truck segment. Introduced for the 2012 model year, this configuration aimed to provide a balance of substantial towing capacity, robust performance, and a degree of everyday usability for owners needing a powerful work truck. This variant was positioned as a step up from the standard 6.7L Cummins, offering increased horsepower for demanding tasks, while remaining below the even more potent Cummins options available.

Technical Specifications

Powertrain & Engine Architecture

The heart of this RAM 3500 is the 6.7-liter Cummins HO (High Output) turbodiesel inline-six engine, designated with the ETJ code. This engine represents a significant evolution of Cummins’ long-standing reputation for durability and torque. The “HO” designation indicates an upgraded turbocharger and fuel injection system compared to the standard 6.7L Cummins, resulting in the 350 horsepower and substantial 1084 Nm (799.52 lb-ft) of torque. The engine utilizes a diesel commonrail fuel injection system, delivering highly pressurized fuel directly into the cylinders for optimized combustion. The overhead valve (OHV) valvetrain, while a more traditional design, is known for its robustness and reliability. The six-speed automatic transmission, sourced from Allison, was specifically calibrated to handle the immense torque output of the Cummins engine. This transmission featured a lock-up torque converter to improve fuel efficiency at highway speeds and provided smooth, yet firm, shifts appropriate for a heavy-duty application.

Driving Characteristics

The 3500 with the 6.7L HO Cummins and automatic transmission delivers a driving experience focused on capability rather than outright speed. While 350 horsepower is respectable, the true strength lies in the engine’s massive torque output, available from a relatively low 1500 rpm. This translates to effortless towing and hauling, even with substantial loads. The automatic transmission, while not as engaging as a manual, provides convenient operation and effectively manages the engine’s power. Compared to the standard 6.7L Cummins, the HO version offered noticeably improved acceleration, particularly when loaded. However, it didn’t match the performance of the even more powerful Cummins options available in the 3500 lineup. The gear ratios in the six-speed automatic were optimized for towing, with lower gears providing ample pulling power and higher gears for efficient highway cruising.

Equipment & Trim Levels

The 2012 RAM 3500 Crew Cab Long I 3500 6.7 HO Cummins TD (350 Hp) 4×4 Automatic DRW typically came standard with features expected of a heavy-duty truck, including air conditioning, power windows and locks, and a basic audio system. The Crew Cab configuration provided spacious seating for up to six passengers. Trim levels varied, but common options included upgraded interior materials (leather upholstery), a premium sound system, navigation system, and various convenience features like heated seats and a power-adjustable driver’s seat. The “DRW” (Dual Rear Wheel) configuration was a key feature, significantly increasing the truck’s stability and payload capacity when towing heavy trailers.

Chassis & Braking

The RAM 3500 chassis was built for durability and heavy-duty use. It featured a robust frame and a heavy-duty suspension system. The front suspension utilized an independent multi-link design for improved ride quality, while the rear suspension employed leaf springs to handle substantial loads. Braking duties were handled by disc brakes on all four wheels, providing ample stopping power even with a fully loaded trailer. An Anti-lock Braking System (ABS) was standard, enhancing safety and control during emergency braking situations. The DRW configuration, with its dual rear wheels, contributed significantly to the truck’s stability and braking performance when towing.

Market Reception & Comparison

The 2012 RAM 3500 with the 6.7L HO Cummins and automatic transmission was generally well-received by critics and consumers alike. It was praised for its powerful engine, impressive towing capacity, and comfortable ride quality (for a heavy-duty truck). Compared to other trucks in its class, such as the Ford F-350 and Chevrolet Silverado 3500, the RAM 3500 offered a competitive combination of power, features, and value. Fuel economy, while not a primary concern for heavy-duty truck buyers, was reasonable for its class. Reliability was generally good, although some owners reported issues with the exhaust gas recirculation (EGR) system and diesel particulate filter (DPF).

Legacy

The 6.7L Cummins engine, in all its iterations, has become legendary for its durability and longevity. The 2012 RAM 3500 with the HO Cummins and automatic transmission continues to be a popular choice in the used truck market. These trucks are often sought after by owners who need a reliable and capable work truck for towing and hauling. Proper maintenance, including regular oil changes and fuel filter replacements, is crucial for ensuring the long-term reliability of the Cummins engine. While the DPF and EGR systems can be prone to issues, they can often be addressed with preventative maintenance and occasional cleaning. Overall, this RAM 3500 configuration represents a well-engineered and capable heavy-duty truck that continues to provide years of reliable service.