Ram Diesel Engines: Light Duty, Heavy Duty + Chassis Cab

December 5th, 2016 by

Diesel Options

Though most of the cars on the road are powered by gas engines, diesel engines have a lot of advantages, especially when it comes to vehicles that are used for towing. As a manufacturer that is dedicated to trucks and commercial towing needs, Ram has a few diesel engines, including the only light-duty diesel engine on the market.

So, if you are in need of a diesel engine to maximize your towing capacity or if you prefer a diesel engine’s better fuel economy and cleaner burn, take a look at what Ram has available. *The towing numbers are all a reflection of standard towing options and the smaller axle ratio option, when paired with the bigger axle ratio, towing capacities increase.

Ram 1500 HFE: 3.0L EcoDiesel V6 Engine

Ram’s smaller diesel engine option is a 240-horsepower 3.0-liter EcoDiesel V6 engine and it is paired to an 8-speed automatic transmission. This engine is only available on the Ram 1500 HFE, which makes Ram the only manufacturer to offer a light-duty diesel truck. Together, the engine and transmission produce best-in-class 410 lb-ft of torque.

When the Ram 1500 is equipped with the EcoDiesel engine, it is best-in-class in fuel economy because it averages 20 mpg in the city, 29 mpg on the highway and 23 mpg combined. Those numbers are much better than other light-duty competitors, like the Ford F-150 (18 mpg combined) and the Chevy Silverado (20 mpg combined.) Additionally, the EcoDiesel engine produces less emissions than competitors, which is another benefit to the EcoDiesel engine.

But, don’t worry, the more fuel efficient EcoDiesel engine doesn’t make the Ram 1500 HFE less capable of towing. Depending on the drivetrain and axle ratio, the Ram 1500 HFE has a towing capacity between 8,050 and 9,050 pounds.

Ram ProMaster: 3.0L EcoDiesel I4 Engine

A slightly modified version of the 3.0L EcoDiesel engine is the 3.0-liter EcoDiesel I4, and it is only available on the Ram ProMaster, which is a large cargo van. Like the Ram 1500 HFE, the 3.0L EcoDiesel engine makes the Ram ProMaster best-in-class with 29 mpg on the highway and the van has a total driving range of 754 miles.

Ram 2500 and 3500: 6.7L I6 Cummins Turbo Diesel Engine

The biggest engine on the Ram heavy-duty pickup truck lineup is the all-powerful 6.7-liter I6 Cummins Turbo Diesel engine and it has three different calibrations, all of which produce a different amount of horsepower and torque.

When paired with a 6-speed manual transmission the Cummins turbo diesel puts out 350 horsepower and 660 lb-ft of torque, but when paired to the 6-speed automatic transmission torque is boosted to 800 lb-ft and horsepower to 370 horses. The Ram 3500 Cummins turbo diesel with a manual transmission has a max towing capacity of 16,850 pounds and with the automatic transmission it has a max towing capacity of 17,900 pounds.

The third calibration, the High Output Calibration, is only available on the Ram 3500 and it is paired to an AISIN 6-speed automatic transmission. The AISIN transmission is able to produce more horsepower and torque because it is designed with specific technology is a Shift Control System with a shifting algorithm, a gear train with three clutches and two brakes and wide gear ratios.

The Cummins High Output turbo diesel calibration is best-in-class with 900 lb-ft of torque and it produces 385 horsepower and gives the Ram 3500 a maximum towing capacity between 17,750 and 21,400 pounds.

Ram 3500 / 4500 / 5500 Chassis Cab Models: 6.7L I6 Cummins Turbo Diesel Engine

Ram’s chassis cab models are available with two Cummins turbo diesel calibrations. The 6-speed manual transmission produces 320 horsepower and 650 lb-ft of torque and the AISIN 6-speed automatic transmission makes the engine a Cummins High Output Turbo Diesel engine and it produces 325 horsepower and 750 lb-ft of torque.

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