Cummins Diesel VIN Identification Guide: 5.9L & 6.7L Engines in Dodge and Ram Trucks (1989–2025) If you own or are shopping for a Cummins-powered Dodge or Ram pickup, knowing your engine’s generation is crucial for maintenance, upgrades, and parts compatibility. The 8th digit of your VIN reveals which Cummins engine and fuel system your truck uses. Here’s a comprehensive guide covering every generation, including the transition from Dodge Ram to Ram in 2011, model years, VIN codes, fu...
