Cummins Engines for Motorcoach

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For close to 60 years, Cummins has been the diesel engine supplier of choice in the motor coach market, and in 2017 the engines of choice are getting better. Building upon the SmartEfficiency initiatives of improved fuel economy, lower total cost of ownership and increased uptime, spec’ing a Cummins Buy-America compliant engine offers peace of mind and improved operation. With a complete in-house engine system design, from the air intake to the exhaust aftertreatment system, the L9, ISX12, and 2018 X12 are designed to meet the challenges of even the most demanding applications.

L9

Building on the SmartEfficiency initiatives of improved fuel economy, lower total cost of ownership and increased uptime, the L9 is benefiting coach operators and owners. With the best power-to-weight ratio in its class, revised gearing recommendations and product improvements over the last decade, the L9 provides up to 15 percent better fuel economy compared to the ISL from the 2000s. And with over 30 years of proven performance, you can trust the L9 to keep your coach running on any route or trip.


ISX12

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.


X12

With the highest power-to-weight ratio of any heavy-duty engine, the X12, manufactured at Jamestown Engine Plant, builds on over 40 years of 10-12 liter engine experience to provide unmatched reliability and cost-effective performance for motor coach operators. With torque available at 1000 rpm, and a low-friction design, the X12 demonstrates better fuel economy from idle to the interstate. With rigorous testing in the most challenging operating environment around the world, the X12 has proven its reliability and durability of its fully integrated engine system.



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