| Subject | English | Spanish |
| mech.eng. | air cell Diesel engine | motor Diesel de cámara de aire |
| mech.eng. | air-blast injection Diesel engine | motor diesel de inyección neumática |
| mech.eng. | blow lamp for starting semi-Diesel engines | lámpara para el arranque de los motores semidiésel |
| mech.eng. | cranking of a diesel engine | lanzamiento de un motor Diesel |
| mech.eng. | cranking of a diesel engine | arranque de un motor Diesel |
| transp., energ.ind. | diesel cycle engine | motor diésel |
| transp., energ.ind. | diesel cycle engine | motor diesel |
| nat.sc., transp. | diesel cycle engine air independent system | sistema independiente del aire con motor de ciclo diésel |
| econ. | diesel engine | motor diésel |
| mech.eng. | diesel engine | motor de combustión interna de encendido por compresión |
| mech.eng. | diesel engine | motor de encendido por compresión |
| mech.eng. | diesel engine | motor Diesel |
| environ. | diesel engine An internal combustion engine operating on a thermodynamic cycle in which the ratio of compression of the air charge is sufficiently high to ignite the fuel subsequently injected into the combustion chamber | motores diesel |
| polit. | diesel engine | motor diesel |
| environ. | diesel engine | motores diesel |
| load.equip. | diesel engine | motor diesel (n.m.) |
| tech. | diesel engine driven unit | unidad impulsada por motor diesel |
| tech. | diesel engine driven unit | motor de corriente continua |
| el. | diesel engine fire pump | bomba contra incendios de propulsión diesel |
| transp., mil., grnd.forc., mech.eng. | diesel engine supercharged by means of a turbo-blower | motor Diesel sobrealimentado por turbo-soplante |
| mech.eng. | diesel engine with direct injection | motor diesel de inyección directa |
| load.equip. | diesel oil engine | motor diesel (n.m.) |
| mech.eng. | diesel-engine type | tipo de motor diésel |
| mech.eng. | direct injection diesel engine | motor diesel de inyección directa |
| transp. | direct injection diesel engine | motor diésel de inyección directa |
| gen. | glow plugs for diesel engines | bujías de encendido para motores Diesel |
| gen. | glow plugs for diesel engines | bujías de calentamiento para motores Diesel |
| agric. | half Diesel engine | motor de culata incandescente |
| agric. | half Diesel engine | motor semi-gasoil |
| mech.eng. | half diesel engine | motor semidiésel |
| agric. | half Diesel engine | motor de cabeza caliente |
| mech.eng., el. | heat pump driven by diesel engine | bomba de calor accionada por motor diesel |
| mech.eng. | injection pump for Diesel engines | bomba de inyección para motores diesel |
| mech.eng. | mechanical injection Diesel engine | motor diesel de inyección mecánica |
| transp. | medium-speed diesel engine | motor Diesel medium-speed |
| transp., mech.eng. | naturally aspirated Diesel engine | motor diesel de aspiración natural |
| nat.sc., transp. | naturally aspirated diesel engine | motor diésel de aspiración natural |
| mech.eng. | precombustion chamber Diesel engine | motor Diesel con cámara de precombustión |
| transp., mech.eng. | pressure charged four-stroke diesel engine | motor Diesel de cuatro tiempos sobrealimentados |
| mech.eng. | semi-diesel engine | motor semidiésel |
| mech.eng. | semi-diesel engine | motor de cabeza caliente |
| nat.sc. | semi-diesel engine | motor semidiesel |
| transp. | slow-running diesel engine | motor Diesel lento |
| mech.eng. | starting up of a diesel engine | lanzamiento de un motor Diesel |
| mech.eng. | starting up of a diesel engine | arranque de un motor Diesel |
| transp., mech.eng. | turbo-charged diesel engine | motor diesel sobrealimentado |
| nat.sc., transp. | turbo-charged diesel engine | motor diésel con turbocompresor |