Cummins ISX12 is making a huge impact in work trucks of all types, from mixers and dumps to day cabs and LTL operations. It combines the strength and reliability of proven technology from the ISX15 with a high power-to-weight ratio and over 800 lb-ft (1085 n•M) of clutch engagement torque. The ISX12 is ideal in operations calling for a compact, heavy-duty engine.

Providing the Motor Coach market with a dependable heavy-duty platform, developed from a fully integrated and stable engine architecture and system design, the ISX12 provides motor coach entities with the benefit of low change. Available throughout 2018, the Buy America-compliant ISX12 will continue to use the established Cummins Aftertreatment System offering proven reliability and durability.

ISX12. Better. From Start to Finish. Cummins ISX12 builds on the legacy of the ISM and proven technology of the ISX15 to deliver better fuel economy, performance, reliability and durability.  It has more horsepower and more torque, plus stronger acceleration - all in a compact design.  It achieves near-zero emissions and reduces noise output.  With 310-425 hp (231-317 kW), power output is a perfect match for transit bus applications.

ISX12. Better. From Start To Finish. Cummins ISX12 builds on the legacy of the ISM and proven technology of the ISX15 to deliver better fuel economy, performance, reliability and durability. It has more horsepower and more torque, plus stronger acceleration – all in a compact design. It achieves near-zero emissions and reduces noise output. With 450-500 hp (336–373 kW), power output is a perfect match for every kind of motorhome.

ISX12. Better. From Morning To Night.