Cotta Transmission Company, LLC

What Cotta Transmission Company, LLC does

Cotta Transmission Company, LLC is a privately held industrial manufacturer founded in 1906 by Charles Cotta, headquartered and operating from a single 60,000+ square-foot facility in Janesville, Wisconsin. The company designs and builds heavy-duty, custom-engineered gearboxes — including high-speed gearboxes (rated for 25,000+ RPM input speeds), speed reducers, speed increasers, hydraulic pump drives, transfer cases, and specialized products such as top-head-drive and two-speed rail axle units — drawn from a proprietary library of more than 2,000 drivetrain designs. Manufacturing is fully in-house and supported by a three-cell test laboratory that includes a 25,000+ RPM high-speed test stand, 500 HP capacity, and full instrumentation for vibration, temperature, pressure, and acoustic measurement; every unit is tested prior to shipment under a zero-defect, first-piece-inspection quality policy, and the operation is ISO 9001:2015 certified by BSI and a member of AGMA.

The company's revenue model is engineered-to-order: customers submit detailed quote requests specifying power, speed, torque, ratios, and operating conditions, application specialists respond with quotations, and units are manufactured to specification at the Wisconsin plant. Revenue streams include new custom gearbox sales, a replacement-parts business that supports a large installed base, and a gearbox repair-and-rebuild service using genuine Cotta parts backed by factory warranty. Customers are predominantly large enterprise OEMs and operators across aerospace and defense (Blue Origin, Lockheed Martin, Rolls-Royce, GE Aviation, Honeywell Aerospace, Pratt & Whitney, Collins Aerospace, Goodrich Aerospace, Tinker AFB, Saudi Arabian Airlines), oil and gas (National Oilwell Varco, NLB Corporation), mining (Caterpillar Global Mining), automotive and powertrain (Ford, Eaton, Magna Powertrain), marine (Palmer Johnson, Seatrax), rail, and university research programs. Distribution is exclusively direct — no third-party resellers or distributors — via website quote forms, phone, and email, and Cotta also performs drop-in retrofit engineering for discontinued competitor products (Fabco, Durst, Funk).

Name

Cotta Transmission Company, LLC

Legal name

Cotta Transmission Company, LLC

Website

https://cotta.com

Company type

Private

Founded year

1906

Operating status

Operating

Headcount range

101–250 employees

Short description

Cotta Transmission Company, LLC is a privately held, 1906-founded US manufacturer of custom-engineered heavy-duty industrial gearboxes (high-speed, reducers, increasers, pump drives, transfer cases), serving aerospace, defense, oil & gas, mining, rail, and specialty-vehicle OEMs from a single Wisconsin facility.

Ownership category

akta.pro rank

Product category

Industrial Gearboxes / Power Transmission Equipment

NAICS

Speed Changer, Industrial High-Speed Drive, and Gear Manufacturing (333612), Motor Vehicle Transmission and Power Train Parts Manufacturing (33635)

SIC

Railroad Equipment (3743), Special Industry Machinery, Nec (3559), Construction Machinery & Equip (3531)

akta.pro primary industry

Gearmotors, Gearboxes & Speed Reducers (IMAGACAF)

Keywords

• Industrial gearbox manufacturing
• Heavy-duty power transmission
• High-speed gearboxes
• Custom gearbox engineering
• Pump drive systems

Headquarters

HQ city

Beloit

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Operations, Supply Chain, Technology or R&D, Infrastructure, Marketing or Sales

Revenue model

1. Custom Engineered Gearbox Sales: Cotta designs and manufactures custom heavy-duty gearboxes (high-speed, speed reducers, speed increasers, pump drives, transfer cases, and custom builds) to customer specifications. Revenue is generated from the sale of new custom-built units. Customers submit detailed technical quote requests, and units are engineered-to-order. This is the primary revenue stream.
2. Aftermarket Parts and Replacement Parts: Cotta sells genuine replacement parts designed to match exact OEM standards, tolerances, and specifications. Maintains an extensive inventory of standard service parts; non-stock parts are made to order in its factory. Parts revenue supports the installed base of thousands of gearboxes in the field.
3. Gearbox Repair and Rebuild Services: Cotta offers expert remanufacturing and repair of Cotta gearboxes. Services include thorough inspection, cleaning, complete evaluation, diagnosis, reassembly using genuine Cotta parts, testing to new manufacturing specifications, and factory warranty on the finished transmission. Covers power ratio upgrades, total parts refresh, recommissioning, and onsite consultation.

Go-to-market motion1 record

Distribution channels2 records

Marketing channels8 records

Core offering

Cotta designs and manufactures custom-engineered heavy-duty industrial gearboxes (high-speed gearboxes, speed reducers, speed increasers, pump drives, and transfer cases) at its 60,000+ sq. ft. facility in Janesville, Wisconsin. The company maintains a library of 2,000+ existing drivetrain designs and supports a full lifecycle offering that includes custom engineering, repair/rebuild services, and genuine OEM replacement parts for aerospace, defense, oil & gas, mining, rail, and specialty vehicle applications.

Product overview

Cotta Transmission Company, LLC is a manufacturer of heavy-duty industrial gearboxes offering a comprehensive product portfolio centered around five core product lines: High-Speed Gearboxes, Speed Reducers, Speed Increasers, Pump Drives, and Transfer Cases. These core products are complemented by specialized offerings including the Wet Clutch Gearbox SR2347E series and Top Head Drive Gearboxes for mining applications. The company provides full lifecycle support through Custom Build Solutions for custom engineering, Gearbox Repair & Rebuild services, and Replacement Parts. The product line serves demanding industrial applications in oil & gas, mining, construction, aerospace, defense, and rail maintenance sectors, with over 2,000 existing drivetrain designs in their library. All products are manufactured at the 60,000+ sq. ft. Janesville, Wisconsin facility and backed by ISO 9001:2015 certification.

Differentiator

Problem solved

Functional benefit

Products and services

• High-Speed Gearboxes High-performance gearboxes designed for applications over 5,000 RPM, featuring precision engineering for demanding industrial environments such as aerospace test stands and defense systems.
• Speed Reducers Precision-engineered speed reducers for industrial applications, including models such as SR2, SR3, GR1600, and GR3200 series.
• Speed Increasers Gearboxes designed to increase rotational speed for industrial applications such as fan drives and centrifugal systems.
• Pump Drives Heavy-duty pump drives including PD420, PD430, PD440, PD450 series for hydraulic systems and industrial pumping applications.
• Transfer Cases Power transfer cases for distributing drive power to multiple outputs in mobile and stationary equipment.
• Wet Clutch Gearbox Model SR2347E Single-stage reduction gearbox with multi-disc wet type master clutch for direct mounting to industrial engines, featuring remote actuation capability and up to 1,000 HP capacity, with optional remote monitoring dashboard.
• Top Head Drive Gearboxes Heavy-duty gearboxes for rotary drill applications used in quarries, petroleum extraction, and open pit mining, with specifications including 16.04:1 ratio and 12,000 ft-lb max output torque.
• Two-Speed Rail Axles Two-speed rail axles for rail maintenance vehicles with specifications including 6:1 ratio, 260 HP max input power, and 3,000 RPM max speed.
• Custom Build Solutions Fully customized gearbox engineering and manufacturing services combining prior drivetrain experience with new design work to deliver application-specific products for OEM customers.
• Gearbox Repair & Rebuild Expert remanufacturing and repair services including thorough inspection, cleaning, evaluation, and reassembly using genuine Cotta parts with factory warranty, plus onsite consultation and recommissioning.
• Replacement Parts Genuine Cotta replacement parts designed to match exact OEM standards, tolerances, and specifications for optimal fit and performance, supporting the installed base of thousands of gearboxes in the field.

Quantifiable outcome

• High-speed gearbox testing capability of 25,000+ RPM input speeds, with 500 HP horizontal test capacity at 3,600 RPM
• +3 more outcomes

Named customers23 records

Segments7 records

Ideal customer profiles7 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Scale indicators5 records

Recent moves6 records

Expansion highlights4 records

Direct peers

• Bonfiglioli: Italian-headquartered global manufacturer of industrial gearboxes, gearmotors, and speed reducers. Direct competitor to Cotta in custom-engineered heavy-duty gearboxes serving mining, marine, oil & gas, and industrial automation customers.
• Nord Drivesystems: German family-owned manufacturer of geared motors, industrial gear units, and drive electronics. Competes with Cotta in custom-engineered industrial gearboxes for heavy-duty applications including mining, conveyor, and pumping systems.
• Sumitomo Drive Technologies: Japanese manufacturer of industrial gear reducers, gearmotors, and custom engineered drives. Direct competitor in heavy-duty speed reducers, increasers, and custom drivetrain solutions for mining, material handling, and process industries.
• David Brown Gear Systems: Heritage British gearbox manufacturer specializing in heavy-duty industrial gear units for mining, steel, and marine applications. Direct peer in custom-engineered high-torque gearboxes and replacement/retrofit business models.
• Philadelphia Gear: US-based manufacturer of high-speed gearboxes, enclosed gear drives, and aftermarket service for industrial, aerospace, and military applications. Closely comparable to Cotta in aerospace MRO and high-speed transmission niches.
• Horsburgh & Scott: Specialty US industrial gearbox manufacturer with over 135 years of history producing custom and standard heavy-duty gear units for steel, mining, and power generation. Closely comparable to Cotta as a smaller, custom-engineered US gear specialist.

Broad incumbents

• SEW-Eurodrive: One of the world's largest manufacturers of drive technology, gearmotors, and industrial gearboxes with a global multi-site footprint. Overlaps with Cotta in industrial gearbox categories but operates at much larger scale with a broader automation portfolio.
• Siemens Flender: Siemens-owned industrial gearbox manufacturer offering standard and custom gear units for high-power applications. Competes with Cotta in heavy-duty gearbox categories for mining, cement, and power generation markets as part of a broader industrial portfolio.
• Rexnord: US-based industrial power transmission and motion control company (now part of Regal Rexnord) offering gear drives, bearings, and chain products. Overlaps with Cotta in industrial gearboxes for mining, aggregates, and bulk material handling.
• Eaton: Global power management company with a large Vehicle and Industrial eMobility segment producing transmissions, clutches, and drivetrain components. Both a Cotta customer and a broader incumbent in the powertrain/gearbox space that competes in overlapping applications.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xtwitter.com/Cotta_LLC
• YouTubeyoutube.com/channel/UCJOt_SPSTdWvPRldX5kgHxg
• Facebookfacebook.com/profile.php?id=100054274190920
• LinkedInlinkedin.com/company/cotta-transmission-llc
• Instagraminstagram.com/cotta_llc

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Cotta Transmission Company, LLC