MTU 12V4000G34F Operating Instructions Manual page 32

ID
Exhaust noise, unsilenced
- BL (sound power level
LW, ISO 6798, +3 dB(A)
tolerance)
Engine surface noise with
attenuated intake noise
(filter) - DL (free-field
sound pressure level Lp,
1 m distance, ISO 6798,
+2 dB(A) tolerance)
Engine surface noise with
attenuated intake noise
(filter) - DL (sound power
level LW, ISO 6798,
+2 dB(A) tolerance)
Engine surface noise with
attenuated intake noise
(filter) – BL (free-field
sound pressure level Lp,
1 m distance, ISO 6798,
+2 dB(A) tolerance)
Engine surface noise with
attenuated intake noise
(filter) - BL (sound power
level LW, ISO 6798,
+2 dB(A) tolerance)
32 | Technical Data | MS15060/01E 2018-12
1 2
R dB(A)
R dB(A) 104 104
R dB(A) 123 123
R dB(A)
R dB(A)
3 4 5
129 129
104
123
105 105
123 123
6
129
105
123