D6R Track-Type Tractor Sound Information and Vibration Information Caterpillar


Sound Information and Vibration Information
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1.1. Sound Level for Operator in Enclosed Cab
2.1. Extent of Vibration for Operator
3.1. Cab Internal Clearance

Sound Level for Operator in Enclosed Cab

The sound level in the operator's compartment is 81 decibels. This machine is equipped with a properly installed closed cab. The closed cab has been properly maintained.

The sound level outside the operator's compartment is 111 decibels. This machine is equipped with a properly installed closed cab. The closed cab has been properly maintained.

These measurements were obtained on a dynamic machine. For the proper procedure, refer to "ISO 6396" or "89/515/EEC".

The Leq level of sound in the operator's compartment is 81 decibels. This machine is equipped with a properly installed closed cab with an EU package for sound suppression.

The Leq level of sound outside the operator's compartment is 109 decibels. This machine is equipped with a properly installed closed cab with an EU package for sound suppression.

The measurement was obtained on a static machine. To find the procedure for using the static machine and the conditions for using the static machine, see "ANSI/SAE J1166". Refer to this information for the occupational noise exposure criteria that has been established by OSHA, MSHA, and EU.

Extent of Vibration for Operator

The hands and the arms are exposed to the weighted root mean square acceleration of less than 2.5 m/s2.

The whole body is exposed to the weighted root mean square acceleration of 0.72 m/s2.

Measurements are obtained on a representative machine. Use the measuring procedure in the following standards.

  • "ISO 2631/1"

  • "ISO 5349"

  • "SAE J1166"

Cab Internal Clearance

If a machine is equipped with a cab, the position of the operator conforms to industry standards. These standards are "SAE J154" and "ISO 3411". An item should not protrude into the space of the cab. The following items should not protrude into the cab.

  • Radio

  • Fire extinguisher

  • Lunch box

Objects in the cab should be secured. The objects must remain in place during operations in rough terrain. The objects must remain in place during a rollover of the machine.