Featuring a cast-iron parent bore block structurally designed to reduce noise and increase durability, this engine takes performance to the next level. This power engine offers you tremendous flexibility with its electronic-controlled Variable Speed Pressure Limiting Control (VSPLC) option.

This rugged engine is built with a proven conventional mechanical fuel system with an industry-leading, state-of-the-art mechanical gauge control panel. It has demonstrated its reliability across applications with configurations custom-designed for on-highway, Genset as well as industrial off-highway applications. The engine’s cast-iron parent bore block is structurally designed to reduce noise and increase durability.

Every Alternative: Cummins Westport ISL G The 8.9-liter ISL G has met EPA 2010 emissions standards since 2007 using Stoichiometric cooled-Exhaust Gas Recirculation (SEGR) spark-ignited combustion to create a high-performance natural gas engine.  Torque at idle and fuel economy are improved versus lean-burn engines by 30% and 5%, respectively.