Of the DM
In the cabins of the D-395, sound pressure levels did not exceed the remote control. In the cabins of the DM-144 auto graders, the noise exceeded the remote control at average frequencies by 1-2.5 dB, and on high-by 2-4 dB.
In the cabins of the D-395, sound pressure levels did not exceed the remote control. In the cabins of the DM-144 auto graders, the noise exceeded the remote control at average frequencies by 1-2.5 dB, and on high-by 2-4 dB.