6.6L gas. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD.
| 2025 | Chevrolet | LCF 3500HG | Base | 6.6L V8 - Gas |
| 2025 | Chevrolet | Silverado 2500 HD | Custom, High Country, LT, LTZ, WT, ZR2 | 6.6L V8 - Flex, 6.6L V8 - Gas |
| 2025 | Chevrolet | Silverado 3500 HD | High Country, LT, LTZ, WT | 6.6L V8 - Flex, 6.6L V8 - Gas |
| 2025 | GMC | Sierra 2500 HD | AT4, AT4X, Denali, Pro, SLE, SLT | 6.6L V8 - Flex, 6.6L V8 - Gas |
| 2025 | GMC | Sierra 3500 HD | AT4, Denali, Pro, SLE, SLT | 6.6L V8 - Flex, 6.6L V8 - Gas |
| 2024 | Chevrolet | LCF 3500HG | Base | 6.6L V8 - Gas |
| 2024 | Chevrolet | Silverado 2500 HD | Custom, High Country, LT, LTZ, WT, ZR2 | 6.6L V8 - Flex, 6.6L V8 - Gas |
| 2024 | Chevrolet | Silverado 3500 HD | High Country, LT, LTZ, WT | 6.6L V8 - Flex, 6.6L V8 - Gas |
| 2024 | GMC | Sierra 2500 HD | AT4, AT4X, Denali, Pro, SLE, SLT | 6.6L V8 - Flex, 6.6L V8 - Gas |
| 2024 | GMC | Sierra 3500 HD | AT4, Denali, Pro, SLE, SLT | 6.6L V8 - Flex, 6.6L V8 - Gas |
| 2023 | Chevrolet | LCF 3500 | Base | 6.6L V8 - Gas |
| 2023 | Chevrolet | Silverado 2500 HD | Custom, High Country, LT, LTZ, WT | 6.6L V8 - Flex, 6.6L V8 - Gas |
| 2023 | Chevrolet | Silverado 3500 HD | High Country, LT, LTZ, WT | 6.6L V8 - Flex, 6.6L V8 - Gas |
| 2023 | GMC | Sierra 2500 HD | AT4, Denali, Pro, SLE, SLT | 6.6L V8 - Flex, 6.6L V8 - Gas |
| 2023 | GMC | Sierra 3500 HD | AT4, Denali, Pro, SLE, SLT | 6.6L V8 - Flex, 6.6L V8 - Gas |
| 2022 | Chevrolet | LCF 3500 | Base | 6.6L V8 - Gas |
| 2022 | Chevrolet | Silverado 2500 HD | Custom, High Country, LT, LTZ, WT | 6.6L V8 - Flex, 6.6L V8 - Gas |
| 2022 | Chevrolet | Silverado 3500 HD | High Country, LT, LTZ, WT | 6.6L V8 - Flex, 6.6L V8 - Gas |
| 2022 | GMC | Sierra 2500 HD | AT4, Denali, Pro, SLE, SLT | 6.6L V8 - Flex, 6.6L V8 - Gas |
| 2022 | GMC | Sierra 3500 HD | AT4, Denali, Pro, SLE, SLT | 6.6L V8 - Flex, 6.6L V8 - Gas |
| 2021 | Chevrolet | LCF 3500 | Base | 6.6L V8 - Gas |
| 2021 | Chevrolet | Silverado 2500 HD | Custom, High Country, LT, LTZ, WT | 6.6L V8 - Flex, 6.6L V8 - Gas |
| 2021 | Chevrolet | Silverado 3500 HD | High Country, LT, LTZ, WT | 6.6L V8 - Flex, 6.6L V8 - Gas |
| 2021 | GMC | Sierra 2500 HD | AT4, Base, Denali, SLE, SLT | 6.6L V8 - Flex, 6.6L V8 - Gas |
| 2021 | GMC | Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 6.6L V8 - Flex, 6.6L V8 - Gas |
| 2020 | Chevrolet | Silverado 2500 HD | Custom, High Country, LT, LTZ, WT | 6.6L V8 - Gas |
| 2020 | Chevrolet | Silverado 3500 HD | High Country, LT, LTZ, WT | 6.6L V8 - Gas |
| 2020 | GMC | Sierra 2500 HD | AT4, Base, Denali, SLE, SLT | 6.6L V8 - Gas |
| 2020 | GMC | Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 6.6L V8 - Gas |