
Serving Duluth and Minnesota industry — iron ore taconite processing, Great Lakes shipping and heavy fabrication. 8–12 day rebuilds, 24–72 hour emergency service.
Gear repair in Duluth, MN is shaped by what the area actually runs: iron ore taconite processing, Great Lakes shipping and heavy fabrication. That mix decides what reaches our bench — taconite grinding mill and pellet plant drives, crusher and conveyor gearboxes, ore dock and shiploader reducers. Standard rebuilds ship in 8–12 business days, emergency work in 24–72 hours, at rates 18–25% below standard shop estimates, with cash buyback available on surplus and failed units.
Taconite is abrasive enough to be a design problem on its own, and Duluth adds sub-zero starting loads. Cold starts on a mill drive with the wrong lubricant viscosity strip tooth flanks fast, so we inspect for that signature specifically.
Every unit gets the same process regardless of where it ships from: full teardown with documented failure analysis, gear tooth inspection to AGMA tolerance, new bearings and seals throughout, housing line-boring where bores have gone out of round, gear sets recut to the original tooth data when wear has passed the point of repair, and a dynamic load test before it ships back. Text a nameplate photo to (641) 519-6270 or use the instant quote app.