Heavy Duty Safety Clutches
40 HP CAPACITY SAFETY CLUTCH


150 mm (6") Diameter

Part No.
DESCRIPTION
B4164
 1 3/8" x 6 spline female / 1 3/8" x 6 spline male.
B4166
 1 1/4" Round bore female (1/4" key) / 1 3/8" x 6 spline male.
B4156
 1 3/8" Round bore female (3/8" key) / 1 3/8" x 6 spline male. 
 
A = 130mm
  (5.2")
 
60 HP CAPACITY SAFETY CLUTCH

200 mm (8") Diameter

Part No.
DESCRIPTION
B3605
 1 3/8" x 6 spline female / 1 3/8" x 6 spline male.
B6693
 1 1/4" Round bore female (1/4" key) / 1 3/8" x 6 spline male.
B4157
 1 3/8" Round bore female (3/8" key) / 1 3/8" x 6 spline male. 
B6157
 1 1/2" Round bore female (3/8" key) / 1 3/8" x 6 spline male.
B3606
 1 3/4" x 20 spline Female/ 1 3/8" x 6 spline male.
 
A = 130mm
  (5.2")
 
 
100 HP CAPACITY 4 PLATE SAFETY CLUTCH

200 mm (8") Diameter
Part No.
DESCRIPTION
B4669
 1 3/8" x 6 spline female / 1 3/8" x 6 spline male.
B6669
 1 3/4" x 20 spline female / 1 3/8" x 6 spline male.
B6790
 1 3/4" x 20 spline female / 1 3/4" x 20 spline male.  
B5721
 1 3/4" x 6 spline female / 1 3/4" x 20 spline male.
 
A = 150mm
  (5.9")
 
150 HP CAPACITY 6 PLATE SAFETY CLUTCH

200 mm (8") Diameter
Part No.
DESCRIPTION
B7790
 1 3/4" x 20 spline female / 1 3/4" x 20 spline male.
B7789
 1 3/4" x 6 spline female / 1 3/4" x 20 spline male.
 
A = 170mm
  (6.7")
 

REMEMBER THIS!
To adjust all 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
    Note:   LOOSE BOLTS = STRIPPED SPLINES.