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