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DQQ Tweaker-Dropbox protector

Do  you or your operator feels something unusual when you press the retarder pedal on  articulated hauler? this is because your machine has initiative to activate 6x6 drive everytime retarder is activated. the logic is, it will be better effect if more drive wheels get braked. But unfortunately, the other problem occurs, the dog clutch mechanism can't handle the engagement in relatively high speed, will retarding is in operation. this will cause damage to your dropbox since the broken dog clutch will distribute the grams to all gears inside, which furthermore cause the dropbox failure.

we create Dropbox protector, to protect your machine components from false signal, to guarantee that the components last longer and to get better driving and operating performance.

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