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All pictures shown are for illustration purposes only. Actual product received may have variations in color or plating that will not impact quality or functionality and will still meet stated technical specifications and requirements.


Item number:


Blade Brake Clutches (BBCs) are engaged by actuating the operator presence lever and pushing the blade engagement handle. This action rotates the ball ramp mechanism, causing three small internal springs inside of the clutch/brake to lift the brake plate clear of the friction disk, assuring drag free, quiet operation. As the brake plate is released from the friction disk, a heavy coil spring at the base of the unit pushes the friction disk against the rotating input hub which is bolted to the engine’s crankshaft. The clutch is then engaged and the blade rotates. Releasing the operator presence lever causes the loaded brake spring to rotate the ball ramp mechanism in the opposite direction, which forces the brake plate against the outer portion of the friction disk, releasing the clutch and braking the blade to a stop.

Technical Specifications

Clutch / Brake
Bore Diameter (in)
Weight (lbs)
Cable Accessory
not included
Manufacturers Part Numbers
111965, SAA11880
How to Install a Warner Electric PTO Clutch