Uprate of Cummins V-903 Diesel Engine to 1000 bhp for Military Application

A commercial truck engine normally rated at 350 bhp was upgraded to 1000 bhp for military application. The design approach used was increased engine speed, low compression ratio, high pressure turbocharging, after-cooling and turbocompounding.

This paper presents details of the performance analysis, engine modifications, and design and development of the new turbo-machinery required. Results of engine test-work are also presented.