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Monday 8am - 4pm Tuesday 8am - 4pm Wednesday 8am - 4pm Thursday 8am - 4pm Friday 8am - 4pm

Cotta, LLC

Name: Cotta, LLC
Address: 1809 Adel Street, Suite 120, Beloit, WI, 53546, US
Telephone: +16083685600
Price range: $

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Designer and manufacturer of standard and custom transmissions and gearboxes. Located in Beloit, Wisconsin, Cotta operates a 65,000 square foot facility.

Cotta is a complete manufacturer with all manufacturing done in house.

10/30/2026

Model GR1600A Speed Reducer from Cotta is a single-stage reduction gearbox designed for direct mounting to industrial engines via an SAE fl**ge and driven in standard engine rotation (clockwise facing input shaft).

OUTPUT ROTATION: Opposite to input
MAX INPUT TORQUE: 3000 lb-ft
MAX INPUT SPEED: 2200 RPM or as otherwise limited by input clutch or coupling
RATIOS: 1.35 to 3.07

For more product info and specs: https://cotta.com/products/speed-reducers/ -id-7

10/29/2026

Cotta, LLC has officially kicked off its yearly campaign in support of United Way Blackhawk Region . Congrats to Jason W. for winning the "Day 1 Drawing." Stay tuned for more updates!

10/28/2026

Gearbox vibration analysis is a predictive maintenance technique that uses vibration signals to detect developing problems in gear trains before they cause catastrophic failure. This condition monitoring approach measures mechanical vibrations from gearboxes during operation to identify gear defects, bearing problems, and other faults. Industrial facilities depend on gearboxes for power transmission systems across countless applications.

When these critical components fail unexpectedly, the results can be devastating. Vibration monitoring offers a proactive solution. Learn more in our blog, Gearbox Vibration Analysis - Expert Guide for Industrial Applications: https://cotta.com/blog/gear-vibration-analysis/

10/27/2026

Model SN1657 High-Speed Gearbox from Cotta is a foot mounted, two increasing stage, high-speed coaxial gearbox designed to simultaneously test aircraft constant speed drives and generators Pads for the CSD and associated generator are located on opposite sides of the gearbox output shaft. Generators and CSD’s for the 747, L1011 and the DC10 can be tested. All generators can be tested without the CSD by use of lock up adapters.

POWER: 450 HP at 5000 RPM output
OUTPUT SPEED: Up to 15,000 RPM
RATIOS: 5.208, 5.655, 5.909, 6.084, 6.416, 7.768, 7.82
MAX ACCEL / DECEL RATE: 2000 RPM / sec at output

For more product info and specs: https://cotta.com/products/high-speed-gearboxes/ -id-7

10/26/2026

Join our team!

Apply for Technical Sales Manager at Cotta, LLC in Janesville, WI. Full-time Mid-Senior level role. See responsibilities, qualifications, and similar jobs on LinkedIn.

10/26/2026

Industrial gearboxes drive critical operations across mining, oil and gas, aerospace, and heavy manufacturing. When these important components fail, production stops. Entire facilities can shut down for days or weeks. Proper gearbox maintenance prevents these costly breakdowns. At Cotta, we've spent 120 years perfecting power transmission technology since Charles Cotta revolutionized the transmission. Our state-of-the-art testing facility proves that consistent maintenance extends gearbox life by 200-300%.Learn more in our blog, Gearbox Maintenance Guide - Keep Your Equipment Running Strong: https://cotta.com/blog/gearbox-maintenance-guide-equipment-running-strong/

10/23/2026

Check out our video clip of a Cotta Transfer Case for Mobile Utility Trucks!
https://youtube.com/shorts/vK1lBH6fA4U

10/22/2026

John Locarno from Cotta will be attending the Automotive Testing Expo in Novi, MI on October 28-29 to network with current and potential OEM, User and System Integrator customers, as well as explore current developments in EV testing and any emerging trends applicable for high-speed gearboxes. If you’d like to setup a meeting at the show on Wednesday or Thursday with John, please email [email protected].

https://cotta.com/automotive-testing-expo-2026/

10/21/2026

What a terrific time to be in Manufacturing! Great event!

10/21/2026

Check out our video clip of a Cotta High Speed Gearbox for Turbine Starter Test Stand!
https://youtube.com/shorts/zC-zf1hrQ_0

Address

1809 Adel Street, Suite 120
Beloit, WI
53546

Opening Hours

Monday	8am - 4pm
Tuesday	8am - 4pm
Wednesday	8am - 4pm
Thursday	8am - 4pm
Friday	8am - 4pm

Telephone

+16083685600

Website

http://www.cotta.com/

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