EXHAUST GAS AFTER-TREATMENT DEVICE FOR WORKING MACHINE

摘要

PROBLEM TO BE SOLVED: To improve heat insulation properties and maintenance properties with a simple structure in an exhaust gas after-treatment device for a working machine.

SOLUTION: The exhaust gas after-treatment device for the working machine reducing nitrogen oxide in exhaust gas by adding liquid reducer is provided with a tank 1 disposed below a hydraulic pump 3 and storing the liquid reducer therein, and a refilling port 5 provided on a counter weight 4 for refilling the liquid reducer into the tank 1.

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