Hayes Flywheel Couplings

Thousands of Hayes Original Flywheel Couplings are in service in gas and tough diesel engines. Torsional vibration is minimized by our flexible neoprene elements which provide a dampening effect, absorb vibration and reduce shock loads. The couplings are compact and transmit plenty of torque. Hayes Original Flywheel Couplings are available with a variety of spline and bores/keys ready to attach to your flywheel. One-piece design. Steel construction.
​​Call us for a quote or more information. 
317-849-5115 / 800-875-5196

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Hayes HEX-FLX Flywheel Couplings

The HEX-FLX coupling provides high torsional stiffness in operations below critical speeds.

• Excellent shaft clamping
• Eliminates fretting
• Handles high-shock loads
• Operating temperatures: -40° to +300°F
• Two-piece blind mounting
• Light and compact
• Standard SAE flywheels

Not approved for generator, vacuum pump or blower applications
Sizes:

• HB1
• HB2
• HB3
• HB4
• HC1
• HC2
• HC3
• HC4
• HC5
• HC6
• HDT1
• HDT2
• HDT3​

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Specs/Diagram

Flange Part Numbers:

• B-065
• C-075
• C-080
• C-010
• DT-115

​​Call us for a quote or more information. 
317-849-5115 / 800-875-5196

Hayes Yoke Flange Couplings

The coupling's steel flywheel plate, manufactured from a steel burnout or custom forged, is precision machined for accurate balance. It can be adjusted for specific inertia requirements.
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• Lengthens the life of your pump or gear box by absorbing vibration and shock
• Creates a consistent dampening effect when under load
• Steel construction
• One-piece design
• Operating temperatures: -40° to +220°F
• Standard SAE flywheels and non-standard flywheels

​​Call us for a quote or more information. 
317-849-5115 / 800-875-5196

Quick Quote

Specs/Diagram