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Standard Freewheel Safety Clutches

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O'Run and Safety Clutch Assembly 6" (40HP) 1 3/8"x6SPL - B9164

Freewheel and Safety Clutch Assembly.


40 HP Capacity,

6" (150mm) Diameter,

A: 6.7" (170mm),

1 3/8" x 6 spline male/female.

Heavy Duty Units allow PTO driven implements to freewheel with adjustable safety protection under load.

Prevents expensive damage to internal tractor PTO packs.

Prevents single clutch tractors from being driven forward by PTO over-run.

Integral heavy duty adjustable disc type safety clutch protects PTO drive line.


To adjust Standard Duty (Silver or Gold Spring) BARE-Co PTO clutches:

Compress springs fully then back off 2 turns.

Fine tune so that the clutch slips occasionaly.

Once per year release springs completely and allow clutch to slip to polish pressure plate.

When Fitting Clutch:

Pair of 1/2" dia Clamp Bolts - 75 ft lbs,

Pair of 5/8 " dia Clamp Bolts - 150 ft lbs,

Single Cotter Clamp Bolt - 100 ft lbs.

Re-tension Clamp Bolts after 10 Hours Use - then Every 100 Hours.


$473.72 incl GST