diesel hydraulic
/ˈdiːzəl haɪˈdrɔːlɪk/
adjective
- Describing a system in which a diesel engine powers hydraulic pumps to transmit motion, especially in vehicles.
- Some older trains use a diesel-hydraulic transmission instead of electric motors.
- The diesel-hydraulic system is simpler and lighter than diesel-electric in certain applications.
- Heavy construction equipment often uses diesel-hydraulic power for lifting and digging.