動力總成概述
車輛的動力總成是由引擎、電池、發電機，以及包含變速箱、逆轉機、車輪等傳動系統所組成。Derail Valley 中包含了以下類型：
- Wire-Electric - Features an overhead electric powersource and electric transmission.
- Battery-Electric - Features an onboard battery electric powersource and electric transmission.
- Diesel-Electric - Features an onboard internal combustion engine powersource and electric transmission.
- Diesel-Hydraulic - Features an onboard internal combustion engine powersource and hydraulic transmission.
- Diesel-Mechanical - Features an internal combustion engine and mechanical transmission
- Steam - Features a steam-powered engine and transmission.
The type of powertrain a vehicle comes with notably affects its characteristics. Among those, there is a risk of powertrain overheating, and the different types of damage a powertrain can receive, such as mechanical and electrical.
Vehicles' powertrain type is what dictates the starting portion of their name.