2019 RAM Heavy Duty: First Drive Review

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Under the Hood
The standard engine for all Ram HD trim levels is the 6.4-liter HEMI V8 that produces 410 horsepower and 429 lb-ft of torque, mated with a new 8-speed TorqueFlite automatic transmission. The 6.4-liter HEMI features cylinder deactivation for improved fuel economy, which bypasses four cylinders during light acceleration and cruising.

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