Mechanical sounds: Listen & Download Mechanical sounds .mp3 Error! Change your browser, please! ⇓ Download Small hydraulic gear ⚠ Kick the bike speed switch ⚠ Bicycle hand pump ⚠ Drawbridge, lower chains ⚠ Mechanical sounds ⚠ Foot pump inflating a mattress ⚠ Drawbridge raise chains ⚠ Chain hoist, Chain ⚠ On, off, Hydraulic mechanism ⚠ Hand winch ⚠ ★★★★★