For Sale: 2018 International LT – Powered by Cummins X15 & Eaton Endurant Reliable and road-ready, this 2018 International LT features the trusted Cummins X15 engine paired with an Eaton Endurant automatic transmission. With 683K well-maintained miles, this truck offers the performance, efficiency, and comfort today's drivers demand. Ideal for fleet upgrades or owner-operators looking for dependable long-haul capability.