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Gearbox

03 February 2020

Helen Madere Memorial Bridge

Nuttall Gear Custom Gear Drives for Vertical Lift Bridge

Built in 1960, the Rio Vista (Helen Madere Memorial) bridge carries approximately 23,000 vehicles daily across the Sacramento River in Rio Vista, California. The 2,890 ft. long bridge features a 306 ft. long vertical lift span that raises to allow for passage of large freighter traffic. The bridge recently underwent a major renovation, including the replacement of the gearboxes.

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27 February 2019

Double-Leaf Bascule Bridge Milwaukee WI

Nuttall Heavy-Duty Gearboxes for Double-Leaf Bascule Bridge

Originally built in 1957, the First Street bridge in Milwaukee, Wisconsin underwent a major overhaul that was completed in 2018. The bascule lift bridge carries more than 7,700 vehicles across the Kinnickinnic River on a daily basis.

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02 June 2016

Transit Rail Cars

Nuttall Custom Heavy-Duty Gearing for Transit Rail Cars

The New York City Subway is one of the most extensive public transportation systems in the world with 842 miles of track, 468 stations and over 6,200 rapid transit cars. Keeping the vast fleet of rolling stock in-service is a never-ending task.

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27 April 2015

Steel Pickling Line Caliper Brake

Recoiler Gearbox and Caliper Brake for Steel Pickling Line

A large steel recoiler OEM needed a custom gearbox for use on a new steel pickling line recoiler. The drive is direct coupled to a 125 HP electric motor which winds up a 52" wide, 60,000 lb. steel coil after it passes through the pickling treatment line.

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21 August 2013

Motor Generator Sets

Nuttall Gear Heavy-Duty Speed Reducers for Motor-Generator Sets

A major manufacturer of motor-generator sets required a heavy-duty gearbox for one of it’s reduction gear gen-sets. Motor-generator sets are primarily used for frequency conversion, in this case, 50 Hz to 60 Hz. The units provide reliable electrical power for applications in the defense, manufacturing and technology industries.

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