MTU 16V4000M73 Operating Instructions Manual page 54

Noise
ID
Exhaust noise, attenuated (EGA 1) - BL (free-field sound pressure
level Lp, 1 m distance, ISO 6798, +3 dB(A) tolerance)
Engine surface noise with attenuated intake noise (intake silenc-
er) - BL (free-field sound power level Lp, 1 m distance, ISO 6798,
+2 dB(A) tolerance)
54 | Technical Data | MS150123/01E 2017-05
1
R dB(A) 82
R dB(A) 104
2
82
105