Cummins adds two new torque ratings for ISX12

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The engines – featuring 450 hp with 1650 lb-ft of peak torque and 450 hp with 1450/1650 lb-ft of peak torque, respectively – are designed for linehaul and regional-haul truck markets.

The 450 hp with 1650 lb-ft of peak torque provides performance on the same level as 15-liter and 13-liter engines but at a much lighter weight, which Cummins says means more payload capacity. The 450-hp 1450/1650 lb-ft SmartTorque rating is ideal for applications like tank and bulk haulers that transport heavy material on the way out, but return with a light or empty load. SmartTorque technology modulates torque output to deliver the adequate amount of torque needed for the work being done.

The ISX12 will continue to be Cummins vocational and regional/bulk-haul engine through next year, and will be available through the end of 2018. Cummins says it plans to launch the next-generation X12 at the beginning of 2018.