Torque limiters, also known as clutches, are a key driveline component. They instantly disengage the drive when excessive torque is detected, safeguarding equipment from potentially damaging overloads that can cause costly repairs and downtime.
To choose the right torque limiter for your application, consider:
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- Torque range
- Application disconnect frequency and duration
- Transmitted torque during disconnect
- Re-engagement method
- Cost of ownership
Types of Clutches
Ball Shear
Application examples include snowblowers, grain augers, manure spreaders, mixer feeders and bale processors.
Learn more by reading our Ball Shear Brochure.
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Automatic Clutch
Application examples: Balers, combine headers, combine drives, grain carts, manure spreaders and mixer feeders.
Learn more by reading each brochure:
Compact Automatic – 100 to 1,000 Nm [1,000 to 8850 in-lb]
Modular Automatic – 700 to 2700 Nm [6,000 to 24,000 in-lb]
Integral Automatic – 1,000 to 3,000 Nm [8850 to 26,600 in-lb]
High Torque Automatic – 3,000 to 6,000 Nm [26,600 to 53,100 in-lb]
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Friction Clutch
Application examples include mower conditioners, rotary cutters, balers, tillers and shredders.
Learn more by reading each product brochure:
Medium Duty Modular Friction Clutch – 450 to 2,000 Nm [4,000 to 18,000 in-lb]
Heavy Duty Modular Friction Clutch – 900 to 2,700 Nm [8,000 to 24,000 in-lb]
Integral Friction Clutch – 1,000 to 2700 Nm [9,000 to 24,000 in-lb]
Flywheel Friction Clutch – 680 – 2700 Nm [6,000 to 24,000 in-lb]
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Ratchet Clutch
Application examples include combine headers, combing drives, rakes and tedders.
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Overrunning Clutch
Application examples include balers, rakes, tedders, mixer feeders, woodchippers, manure spreaders and mowers.
Learn more by reading our Overrunning Clutch Brochure.
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Ball Shear
Application examples include snowblowers, grain augers, manure spreaders, mixer feeders and bale processors.
Learn more by reading our Ball Shear Brochure.
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Automatic Clutch
Application examples: Balers, combine headers, combine drives, grain carts, manure spreaders and mixer feeders.
Learn more by reading each brochure:
Compact Automatic – 100 to 1,000 Nm [1,000 to 8850 in-lb]
Modular Automatic – 700 to 2700 Nm [6,000 to 24,000 in-lb]
Integral Automatic – 1,000 to 3,000 Nm [8850 to 26,600 in-lb]
High Torque Automatic – 3,000 to 6,0000 Nm [26,600 to 53,100 in-lb]
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Friction Clutch
Application examples include mower conditioners, rotary cutters, balers, tillers and shredders.
Learn more by reading each product brochure:
Medium Duty Modular Friction Clutch – 450 to 2,000 Nm [4,000 to 18,000 in-lb]
Heavy Duty Modular Friction Clutch – 900 to 2,700 Nm [8,000 to 24,000 in-lb]
Integral Friction Clutch – 1,000 to 2700 Nm [9,000 to 24,000 in-lb]
Flywheel Friction Clutch – 680 – 2700 Nm [6,000 to 24,000 in-lb]
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Ratchet Clutch
Application examples include combine headers, combing drives, rakes and tedders.
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Overrunning Clutch
Application examples include balers, rakes, tedders, mixer feeders, woodchippers, manure spreaders and mowers.
Learn more by reading our Overrunning Clutch Brochure.
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Product Specifications
 Ball Shear |  Friction Clutch |  Ratchet Clutch |  Auto Clutch | |
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| Relative Cost | $ | $$ | $$ | $$$ |
| Torque Range | 3,000 - 50,000 in-lbs. 340 - 5,650 Nm | 6,000 - 24,000 in-lbs. 680 - 2,700 Nm | 1,000 - 13,250 in-lbs. 120 - 1,500 Nm | 1,400 - 53,000 in-lbs. 160 - 6,000 Nm |
| Cost of Ownership | Low | Medium | Medium | Low |
| Re-engagement Method | Manual bolt replacement | Automatic when torque drops below 50% | Automatic when torque is reduced | Automatic when speed and torque are reduced |
| Transmitted Torque During Disconnect | None | Constant ~60% | Pulsing ~0-110% | Pulsing ~0-20% |
| Regular Maintenance | None | Seasonal check/adjustemnts, replace friction disc as needed | Grease every 50 hours, or upon disconnect | None |
| Typical Applications | Snowblowers, Grain Augers, Manure Spreaders, Mixer Feeders, Bale Processors | Mower Conditioners, Rotary Cutters, Balers, Tillers, Shredders | Combine Headers, Combine Drives, Rakes and Tedders | Balers, Combine Headers, Combine Drives, Grain Carts, Manure Spreaders, Mixer Feeders |
| Application Disconnect Duration | Up to 5 minutes | <10 seconds | <30 seconds | Up to 5 minutes |
| Application Disconnect Frequence | Very Infrequent | Frequent | Frequent | Very Frequent |
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Weasler is part of CentroMotion, a global manufacturing company specializing in friction products, information and control devices, mechanical power transmission products, and thermal and motion controls.
CentroMotion Brands: Carlisle Brake & Friction | CrossControl | Elliott Manufacturing | Gits Mfg. | maximatecc | Power-Packer | Power-Packer North America
