Rebuild Benefits

  • Rebuilt by experts

  • Quick turnaround

  • Fraction of the cost

    • compared to a new holder
  • Regain holder performance

  • Prepare for scheduled maintenance



Rebuild Process

  1. Disassemble, clean and tumble all metal parts

  2. Check and adjust the brush box for proper fit and brush clearance

  3. Silver-plate brush holder and assembly

  4. Replace the backplates, springs and terminal screws

  5. Swap the retaining plate with a stainless steel retaining plate

  6. Reassemble the holder

  7. Deliver a rebuilt holder that performs like NEW!


GE Holder Mag Assembly


GE turbine after picture, wind turbines brush holders, electric motor brush holder


our pre-restoration, slip ring brushes and brush holder


ge magazine after, slip ring brush holder
hydro example - water over dam

Quality Upgrades for Hydro Generators

Helwig offers high-quality upgrades and custom designs to hydro generators that will ensure superior performance in the field. These upgrades are in addition to the expertly engineered turbine brush holders, adjustable slip ring holders, and constant force springs that deliver maximum reliability.

teflon coated brush holders

Teflon Coated Brush Holders for Pickling Line

In the steel industry, pickling operations are used to remove surface oxides and clean rust or scale buildup. These operations are very important for the manufacture of steel, but they are notorious for their corrosive atmosphere.

Constant Force Spring Differences Blog Post - image of Helwig Carbon constant force springs

What Our Research Says About Constant Force Spring Differences

Many times, brush holders that use constant force springs are not constant force at all.  A proper holder allows full spring force throughout the brush’s life.  Most holders are poorly designed and fail to be “constant force” for two main reasons:

Celebrate With Us | 50 Years of Brush Holder Innovations | Helwig Blog featured image

—50 Years of Brush Holder Innovations—

Celebrate With Us President – Mark Umhoefer Our mission is to provide genuine overall value to our customers. Nothing demonstrates that commitment better than our decision 50 years ago to add high-quality brush holders to the line of products we manufacture. Today more customers than ever come to Helwig Carbon Products to be supplied with the best possible holder and brush solution – a custom engineered solution provided by a team with unparalleled levels of expertise and experience.

Helwig Carbon Products, Inc. is pleased to announce the acquisition and integration of the brush holder product line of J. Ream Manufacturing, Inc.

PRESS RELEASE: Helwig Carbon Products, Inc. acquires J Ream Manufacturing, Inc.

Acquisition & Integration of Brush Holder Product Line   Milwaukee, WI, February 28, 2020– Helwig Carbon Products, Inc. is pleased to announce the acquisition and integration of the brush holder product line of J. Ream Manufacturing, Inc.

slip ring carbon brush life - image of streaking

3 Reasons for Rapid Brush Wear

A common question from those handling DC motor maintenance is, “why are my carbon brushes wearing so quickly?”. Rapid brush wear is a problem that can be caused from a multitude of factors. There isn’t one easy answer to this question, as each situation can be different. A natural answer to this question that many will quickly jump to is the carbon brush grade. However, we’ve seen that, more often than not, the brush grade is not the culprit. Here are three of the most common reasons for rapid carbon brush wear:


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