4x4 / Rock Bouncers

SCS Gearbox offers high-performance 4x4 transmissions, transfer cases and gearboxes for rock bouncers, mud trucks and extreme off-road builds. Designed for high horsepower and torque, our drivetrain components deliver the performance and durability your build demands.

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Tractor Pulling

SCS Gearbox provides high-performance transmissions, gearboxes and transfer cases for truck and tractor pulling. Built to handle extreme horsepower and torque, our drivetrain components help competitive trucks and tractors put power to the ground.

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Circle Track Racing

SCS Gearbox delivers high-performance circle track racing transmissions and gearboxes built for demanding race applications. Our drivetrain components provide reliable power transfer and durability when performance matters most.

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Monster Trucks

SCS Gearbox offers heavy-duty monster truck transmissions, transfer cases and gearboxes built for extreme horsepower and torque. Get the drivetrain performance and durability needed for competitive monster truck applications.

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Marine Racing

SCS Gearbox provides high-performance marine transmissions and gearboxes for demanding boat and marine applications. Our drivetrain solutions deliver dependable power transfer, durability and performance for high-powered marine builds.

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A COMPANY THAT GROWS WITH ITS CLIENTELE

VALUING EACH CUSTOMER

Humble Beginnings

SPECIALIZED PRODUCTS

Welcome to SCS Gearbox

When you are in need of high performance for your tractor, truck, monster truck or boat, look no further than SCS Gearbox. For more than 36 years, we have served as the leading manufacturer of quick change gears, 4×4 transfer cases, 6 spline gears, 10 spline gears and other custom machining applications.

Our reputation, track record and satisfied customers are what make us the go to source for premium, high-performance parts. We welcome you to browse through our website where you will find information about our parts, company info, contact information and more. Whether you race trucks, cars, boats or monster trucks, you are in it to win, not to finish in second place. The same concept holds true for SCS Gearbox we are in it to win and that happens when you are satisfied with us and our products.
Learn More About SCS

Tractor Pulling

Dirt Racing

Drag Racing

Custom Machining

Monster Trucks

Marine Racing

4x4 / Mud Racing

Rock Crawling

THE SUPERIOR GOODS AND SERVICES OF SCS GEARBOX INC

SCS Gearbox manufactures specialized high-performance gearing for racing applications. We deliver exceptional products backed by outstanding customer service—and we never settle for anything less than the best.

WE VALUE EACH CUSTOMER

We value your time and treat every customer with respect. Our calls average 20 minutes, and we serve customers in order. If you prefer not to wait, we're happy to take a message and call you back as soon as possible. Thank you for your patience.

A COMPANY THAT GROWS WITH ITS CLIENTELE

We are a company that grows with our clients. We've expanded our range to include Quick Change Gears, Custom Machining, 4×4 Transfer Cases, Transmissions, and Truck Gears. We're committed to meeting your needs today and tomorrow.

Visit our office

739 W Main St, Bellevue, OH, 44811