Product Family
Enclosed Worm Gear Drives
Compact, high-ratio right-angle speed reducers engineered for continuous-duty industrial and marine service. Available in cast, machined, and assembled configurations.
Up to 500,000 in-lb
Output Torque
5:1 – 5,000:1
Gear Ratios
1.33" – 12"
Center Distances
13 – 36
Frame Sizes
Cast Iron / Steel / Stainless
Housing
Foot, Flange & Shaft
Mounting Options
Configurations
Models In This Family
Select the configuration that matches your mounting and reduction requirements.
Single Reduction
Standard right-angle reducer with solid or hollow output shaft for general-duty applications.
- Ratios
- 5:1 – 70:1
- Max Torque
- up to 500,000 in-lb
- Mounts
- Foot, Flange, Shaft
Double Reduction
Two worm stages in series for higher reduction ratios beyond 70:1.
- Ratios
- 100:1 – 5,000:1
- Max Torque
- up to 500,000 in-lb
- Mounts
- Foot, Flange, Shaft
Motorized Close-Coupled
Integral motor adapter for a compact, factory-aligned gear motor package.
- Ratios
- 5:1 – 1,000:1
- Max Torque
- varies by frame
- Mounts
- Close-coupled
Shaft Mount
Hollow-bore reducer that mounts directly on the driven shaft with a torque arm.
- Ratios
- 5:1 – 300:1
- Max Torque
- varies by frame
- Mounts
- Hollow bore
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Quick Product Selector
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Overview
Engineered for Continuous Duty.
Enclosed worm gear drives deliver high reduction ratios in a compact, right-angle design with rugged, sealed construction. Built for the most demanding industrial and marine environments.
Hardened worm gearing
Ground worm meshes for long service life.
Sealed cast housing
Protects against harsh environments.
High reduction in one package
Compact right-angle design saves space.
Built in the USA
Machined, assembled and supported in Cleveland, OH.
Hardened & Ground Worm
Alloy steel for long life
Sealed Cast Housing
Rugged construction for harsh environments
High-Capacity Lubrication
Optimized for heat dissipation and long life
Heavy-Duty Bearings
Designed for continuous duty
Precision Bronze Gear
High strength and wear resistance
Interchangeable Mounting
Foot, flange, or shaft mount options
Sizes & Performance
Frame Sizes & Ratings
Series 13 through 36. High torque capacity with a wide range of ratios and mounting options.
View Full Performance Tables| Frame Size | Center Distance | Ratio Range | Max Torque (in-lb) | Input Options |
|---|---|---|---|---|
| 13 | 1.33" | 5:1 – 300:1 | 9,000 | Solid or Hollow |
| 14 | 1.75" | 5:1 – 400:1 | 18,000 | Solid or Hollow |
| 15 | 2.00" | 5:1 – 600:1 | 32,000 | Solid or Hollow |
| 18 | 2.50" | 5:1 – 1,000:1 | 75,000 | Solid or Hollow |
| 23 | 3.25" | 5:1 – 2,000:1 | 150,000 | Solid or Hollow |
| 28 | 4.50" | 5:1 – 3,000:1 | 300,000 | Solid or Hollow |
| 36 | 6.00" | 5:1 – 5,000:1 | 500,000 | Solid or Hollow |
Industries
Proven in Demanding Applications
Cleveland Gear drives power critical operations in some of the world's toughest environments.
Steel & Metals
Rolling mills · Coil processing · Conveyors · Furnaces · Transfer tables
Mining & Aggregate
Crushers · Conveyors · Feeders · Screens · Material handling
Water & Wastewater
Clarifiers · Mixers · Pumps · Screens · Sludge handling
Material Handling
Conveyors · Cranes · Positioning systems · Packaging · Automated systems
Technical Resources
Documentation & Downloads
Get the technical information you need to specify, install, and maintain Cleveland Gear drives.
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