Cummins working on 4-cylinder diesel pickup with 28 mpg, V8 power

2011 Nissan Titan

Cummins Inc. is working on a 4-cylinder diesel engine aimed at providing full-size, light-duty pickups with the power of a small V8 engine. The company is targeting an overall fuel-economy of 28 mpg. The project, which began in September using a Nissan Titan pickup, is funded by the U.S. Department of Energy in partnership with Nissan Motor Co.

The United States Energy Department is putting up $15 million of the project’s estimated $30 million cost.

According to, the diesel engine has a 2.8L displacement and produces 350 lb-ft of torque at about 1,800 rpm. Horsepower output is being targeted for a small V8.

The 2011 Nissan Titan two-wheel-drive is powered by a 5.6L V8 engine rated at 13/18 mpg (city/highway) or 15 mpg combined.

– By: Omar Rana