| rotary rheostat | Kurbelwiderstand |
| rotary sander | Exzenterschleifer |
| rotary sanders | Exzenterschleifer |
| rotary screen | Siebtrommel |
| rotary screen coating machine | Rotationsschablonen-Beschichtungsmaschine |
| rotary screen printing | Rotationsdruck |
| rotary screen printing machine | Rotationsschablonen-Druckmaschine |
| rotary screens | Siebtrommeln |
| rotary selector | Drehwähler |
| rotary selector switch | Stufendrehschalter |
| rotary shaft seal | Wellendichtring |
| rotary shaker | Kreisschüttler |
| rotary shakers | Kreisschüttler |
| rotary shutter | Drehklappe |
| rotary slides | Drehschieber |
| rotary snow plough | Schneefräse |
| rotary snow plow | Schneefräse |
| rotary snowplough | Schneefräse |
| rotary snowploughs | Schneeschleudern |
| rotary snowplow | Schneefräse |
| rotary spading machine | Spatenmaschine |
| rotary spading machines | Spatenmaschinen |
| rotary sparger | Anschwänzer |
| rotary speed | Drehgeschwindigkeit |
| rotary speed sensor | Drehzahlfühler |
| rotary stage | Drehtisch |
| rotary steam engine | Rotationsdampfmaschine |
| rotary straightening | Friemeln |
| rotary strainer | Knotenfänger |
| rotary swaging | Rundhämmern |
| rotary switch | Drehwähler |
| rotary symmetry | Drehsymmetrie |
| rotary table | Drehtisch |
| rotary table feeder | Tellerzuteiler |
| rotary table feeders | Tellerzuteiler |
| rotary tables | Drehteller |
| rotary tedder | Sternrad-Heuwender |
| rotary tedder and turner | Kreiselzettwender |
| Rotary tiller | Fräse |
| rotary tiller with blade rotor | Messerfräse |
| rotary tiller with spike rotor | Zinkenfräse |
| rotary tipper | Kreiselwipper |
| rotary traffic | Kreisverkehr |
| rotary transfer center-column drilling machine | Ringtischbohrmaschine |
| rotary transfer centre-column drilling machine | Ringtischbohrmaschine |
| rotary transformer | Drehtransformator |
| rotary tumbler | Drehtrommel |
| rotary union | Drehdurchführung |
| rotary unions | Drehdurchführungen |
| rotary vacuum filter | Rotationsvakuumfilter |
| rotary valve | Drehventil |
| rotary valves | Drehventile |
| rotary vane factor | Zellenradschleuse |
| rotary vane feeder | Zellenrad |
| Rotary vane pump | Drehschieberpumpe |
| rotary weeder | Rotorstriegel |
| rotary wheel trenchers | Drängrabenfräsen |
| rotary wing aircraft | Drehflügler |
| rotary wire brush | rotierende Drahtbürste |
| rotary yarn guide | rotierender Fadenführer |
| rotary-action | Trillerwerk |
| rotary-beam antenna | Drehrichtungsstrahler |
| rotary-cut veneer | Schälfurnier |
| rotary-cylinder engine | Kreiskolbenmotor |
| rotary-drilling | Rotary-Bohrung |
| rotary-drum vacuum filter | Vakuumtrommelfilter |
| rotary-field transformer | Drehfeldtransformator |
| rotary-knife cutter | Messerwellenquerschneider |
| rotary-knife cutting machine | Messerwellenquerschneider |
| rotary-knob valve | Drehknopfventil |
| rotary-piston blower | Drehkolben-Gebläse |
