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Caterpillar Drive Chain - Overhead Conveyor Drive
Caterpillar Drives for Heavy-Duty Overhead Conveyors
Engineered for strength, smooth operation, and long-term durability. Our caterpillar drives (also known as cat drives) are compact, inline drive systems that engage the links of an overhead conveyor chain using a powered cat chain. Known for its strength and smooth operation, this drive style works well for systems with long runs or high chain pull requirements.
What is a Caterpillar Drive?
A caterpillar drive is a compact, inline drive system that engages the links of an overhead conveyor chain using a powered cat chain. Unlike sprocket drives, installers can mount caterpillar drives on any straight section of track. This flexibility supports various layout needs and simplifies drive take-up alignment.
Load Capacity & Track Sizes
Each drive matches the system specific chain pull requirement. Available models include 3", 4", and 6" track sizes, with load capacities ranging from 1,000 to 5,000 pounds of chain pull.
3" Track (X-348)
Up to 3,000 lbs pull
Ideal for lighter-duty applications. One dog every 12 inches (6" spacing optional).
4" Track (X-458)
1,000 - 4,000 lbs pull
Increased durability for medium-duty applications. One dog every 8 inches.
6" Track (X-678)
Up to 5,000 lbs pull
Handles heaviest demands, ideal for high-torque, high-weight applications. One dog every 12 inches.
Engineering & Design Features
Right-Hand & Left-Hand Assembly
Configurable in right-hand or left-hand orientations to fit your layout. Right-hand units place the drive gearbox on the right when facing the direction of chain travel. Both options available in floating, fixed, and inverted frame styles.
Take-Up Sprockets
Maintain proper chain tension with a two-bolt keeper plate design that makes removal fast and straightforward during maintenance. This setup allows the drive chain to compensate for wear and thermal expansion over time.
Shear Hub Overload Protection
Every drive features a hardened sprocket paired with a shear hub and pin. This built-in overload protection ensures the shear pin fails first, preventing damage to the gearbox, motor, or chain during a jam or sudden load spike.
Frame Styles
Choose from Floating Frame (accommodates natural movement), Fixed Frame (bolts directly in place), or Inverted Frame (motor hangs below track). All available in both right-hand and left-hand configurations.
Cat Chain Specifications
Our caterpillar drives use U.S.-sourced RC-160 Caterpillar Chain with 2" pitch for consistent quality and long wear life.
- 10-foot standard lengths with custom spacing available
- Raised drive dogs engage conveyor chain for positive traction
- 3" Track (X-348): One dog every 12" (6" spacing optional)
- 4" Track (X-458): One dog every 8"
- 6" Track (X-678): One dog every 12"
Constant vs Variable Speed Drives
Constant Speed
Uses a VFD-capable motor but excludes the controller. Best when line speed stays the same throughout operation.
Variable Speed
Includes a VFD controller, allowing flexible speed adjustments based on system demands. Supports a 10:1 turndown ratio. This is the standard setup for most applications.
Multi-Drive Configurations for High Chain Pull
Long systems or applications with high chain pull demands benefit from multiple drive units. Multi-drive configurations reduce strain on individual gearboxes, increase overall system reliability, enable smoother starts and stops, and support synchronized or independent operation across track sections.
Drives can be mounted inline or inverted to fit space constraints. Ideal for long track runs, high-weight loads, or elevation changes.
Accessories
Designed for Longevity
Our drives deliver long-term performance through durable, serviceable designs. Oversized grease reservoirs, heavy-duty bearings, and precision-machined parts extend drive life and reduce downtime. With consistent gearbox design maintained for over 50 years, replacement parts and full assemblies remain easy to install and maintain.
Contact our engineering team today to discuss your caterpillar drive requirements and get the right solution for your overhead conveyor system.
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Overhead Conveyor
www.china-conveyors.com
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