![]() ![]() Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors and windows are open for extended periods or in a noisy environment. Hearing protection may be needed when the machine is operated with an open operator station for extended periods or in a noisy environment. The measurement was conducted with the cab doors and the cab windows closed. The cab was properly installed and maintained. The measurement was conducted at 100% of the maximum engine cooling fan speed. The declared dynamic operator sound pressure level is 85 dB(A) when ISO 6396:2008 is used to measure the value for an enclosed cab. ![]() FOPS (Falling Object Protective Structure) meets ISO 3449:2005 Level II. The value that is listed on the label indicates the guaranteed exterior sound power level (LWA) of 115 dBA at the time of manufacture for the conditions that are specified.įOPS (Falling Object Protective Structure) meets ISO 3449:2005 Level II. If equipped, the certification label is used to verify the environmental sound certification of the machine to the requirements of the “Technical Regulation of Noise Radiation into the Environment” for Ukraine. The value that is listed on the label indicates the guaranteed exterior sound power level (LWA) of 115 dBA at the time of manufacture for the conditions that are specified. ROPS (Rollover Protective Structure) offered by Caterpillar for the machine meets ROPS criteria ISO 3471:2008. ![]()
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