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K-Drill Staff October 24, 2018 Milwaukee Mud Mixer was tried by several members of our field test staff with similar results by all. Final Results: The heavier Milwaukee Mud Mixer did not have a high enough current load or temp setting to work with the 8 inch K-Drill and would continuously shut down after 2-3 holes. The standard 2703-20 drill far out-performed the Mud Mixer in all of our testing. Until Milwaukee makes some changes to the control circuit in the the Mud Mixer I would be certain it could be returned for a standard 2703-20 or 2803-20 hand drill.
All I can say is I've seen people that can break the end off an anvil with a rubber hammer? Everyone's mileage will vary.
There is an auger speed dial on the mixer, but I just keep mine on the fastest level.
My unfamiliarity with the auger speed dial may lead you down the incorrect path, my apologies if this is the case, but I've been instructed to keep drill settings at the lowest speed for the most available torque. This may be why yours is cutting out on you. May be worth trying on the lowest speed setting before rendering the tool useless.
The confusion may be because "most" cordless drills require that the "speed selector/gear selector" be in the lowest speed setting.The mud mixer doesn't have a speed selector/gear selector" as such (not high or low speed). The max speed of the mud mixer is 550 RPM which is in the ball park of what most augers are recommend to operate at.That being said as they say in the movies "full speed ahead captain", at least with the MudMixer.