DRIVE TRAIN PARTS

CAT® Drive Train Parts For Sale

Your equipment’s drive train is responsible for transmitting engine power to the ground—and it must perform reliably under extreme torque, heavy loads, and constant direction changes. Cat® designs and tests every drive train component to withstand real-world conditions, ensuring longer life and consistent performance.
 
Stowers Machinery is your source for genuine Cat drive train parts across Knoxville, Chattanooga, the Tri-Cities (Bristol, Kingsport, Johnson City), Sevierville, Crossville, and McMinnville, and throughout East Tennessee.

Shop for Drive Train Parts

 

Why Genuine Cat Drive Train Parts Matter

Drive train components endure some of the harshest forces in any machine—high impact loads, rapid directional changes, and continuous torque transfer. Cat components are engineered and tested to simulate real-world operating conditions, ensuring longer life and dependable performance.

When paired with proper maintenance and expert support from Stowers, genuine Cat drive train parts help reduce owning and operating costs by maximizing uptime and performance.

Key Drive Train Components

Transmissions

Transmissions convert engine power into the right combination of speed, force, and direction. Cat machines utilize multiple transmission types, including:

  • Hydraulically engaged planetary clutches
  • Hydrostatic and hydraulic drives

Each design is optimized for different levels of torque, maneuverability, and ground speed based on the machine’s application.

Torque Converters

Torque converters multiply engine output and transfer it to the transmission. Core components include:

  • Impeller
  • Turbine
  • Stator

Certain machines utilize a torque divider to distribute power between axles for improved performance.

Drive Shafts

Drive shafts connect major drive train components and allow for movement under load. Cat drive shafts are:

  • Precision-machined for accurate alignment
  • Heat-treated for strength and durability

This ensures consistent performance in demanding environments.

Differentials

Differentials adjust wheel speed and torque based on terrain and machine movement. Their primary functions include:

  • Transferring power from transmission to axles
  • Balancing power between wheels
  • Reducing speed and increasing torque

Key components include the differential case, pinion gears, side gears, and spider assemblies.

Final Drives

Final drives apply power directly to wheels or tracks by reducing speed and increasing torque. Regardless of machine type, their purpose is simple: deliver dependable power to the ground.

Genuine Cat Drive Train Components Available at Stowers

We carry a complete range of OEM Cat drive train parts, including:

  • Transmissions
  • Gears and bearings
  • Torque converters
  • Drive shafts
  • Differentials
  • Final drives
  • Friction materials
  • Brakes and related components

Our parts specialists can match the correct components to your machine’s model and serial number to ensure proper fit and performance.

Serving Cat Owners Across East Tennessee

Whether you’re running construction, forestry, quarry, industrial, or utility equipment, Stowers provides fast access to drive train parts across:

  • Knoxville
  • Chattanooga & Cleveland
  • Tri-Cities (Kingsport, Bristol, Johnson City)
  • Sevierville, Pigeon Forge & Gatlinburg
  • Crossville & Cookeville
  • McMinnville and surrounding areas

With our overnight parts shuttle service and convenient drop-box pickup locations, getting what you need is fast and efficient.

Why Choose Stowers for Drive Train Parts?

  • Genuine OEM Cat components designed for maximum uptime
  • Expert support from factory-trained parts specialists
  • Extensive inventory across East Tennessee
  • Fast delivery and convenient pickup options
  • Long-term cost savings through durable, high-quality parts

Stowers has supported Tennessee’s equipment owners for over 65 years—we know drive train systems and how to keep your machines moving.

Get the Parts You Need—Fast

👉 Shop Drive Train Parts Online
Browse genuine Cat components and check availability anytime.

👉 Contact Your Nearest Stowers Location
Our team can help identify the right parts and arrange delivery or pickup.

Frequently Asked Questions

What does the drive train do in Cat equipment?

The drive train transmits engine power to the ground, controlling speed, torque, and direction through key components like the transmission, torque converter, and final drives.

How do I know if a drive train component needs replacement?

Common signs include unusual noises, shifting issues, reduced power, vibration, or contamination in system fluids.

Why choose genuine Cat drive train parts?

Cat components are engineered and tested under real-world conditions, providing superior durability, performance, and reliability.

Do final drives differ across machine types?

Yes. While designs vary across machines, all final drives reduce speed and increase torque to deliver reliable ground power.

Can Stowers help identify the correct part?

Absolutely. Our parts specialists can match your machine’s model and serial number to the correct component.

Do you offer delivery or drop-box pickup?

Yes. Our parts shuttle network and drop-box system provide convenient access across East Tennessee.