Diaphragm Spring Clutch

Commercial vehicle clutches

Eaton offers a wide variety of diaphragm spring clutches to fit just about any commercial vehicle application. Built to strict OEM quality standards, they ensure outstanding performance and clutch life. Their robust and smooth running design reduces idling noise and can significantly reduce severe vibrations, extending drivetrain component life and the durability of transmission synchronizers.

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Overview Specifications Resources Support

Facing material

Organic or ceramic

Actuation types

Pull, push, or push self-adjust

Applications

On-highway, bus & coach, and vocational

Core features

Available in a variety of sizes from 280 millimeters to 430 millimeters
Engineered and manufactured to original equipment specifications
Single or twin plate designs
Soft-rate dampers help protect against harmful torsional vibrations and increase the durability of transmission synchronizers and driveline components
Smooth engagement and less pedal effort
Available pre-dampers eliminate rattle at idle
Available for most common commercial vehicles

430 mm diaphragm spring clutch models

Standard Duty

Organic facing
Primarily designed for on-highway applications such as linehaul and regional delivery

Severe Duty

Patented cushioned ceramic facing provides smooth launch characteristics and maximize protection against thermal stress
Designed for vocational truck and bus applications outside of North America

Extreme Duty

Organic facing
Features higher thermal capacity alloy components and optimized pressure plate mass for improved durability and enhanced low-speed maneuverability
Larger pilot bearing is designed for more frequent starts and stops
Upgraded main damper springs for improved noise, vibration, and harshness
Designed for severe duty and vocational applications

Learn more about our 430mm Severe Duty clutch

Specifications

Torque capacities from 450 Nm (331 lb.-ft.) to 3,200 Nm (2,350 ft.-lb.)
Damper sizes include 158 mm, 178 mm, 191 mm, 214 mm, 220 mm, 232 mm, 254 mm, and 285 mm

Download Links

Brochures

430mm heavy duty clutches brochure
Download

(PDF 555 KB , 05/01/2017)
Eaton 430mm severe duty clutches
Download

CLSL1318

(PDF 2 MB , 07/31/2019)

Installation instructions

Eaton 430mm Push Type Self-Adjusting Clutch
Download

CLMT4309

(PDF 5 MB , 07/19/2023)

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