Yeah, see post#6. BushHog apparently doesn't believe in any such thing as variation depending on HP/torque. Probably because they just buy the shafts, clutches, and gearboxes from other manufacturers and then there is little (if any) subsequent communication between them. And BH doesn't care about protecting your tractor's PTO, only their implement.
The charts shown in this thread are definitely NOT universal. Each clutch design will have variations in the amount of friction bearing surface, how and where the spring force is applied, etc..
My BH286 has a B&P clutch. Maybe B&P has an actual chart for various spring lengths somewhere but I have never found one.
The charts shown in this thread are definitely NOT universal. Each clutch design will have variations in the amount of friction bearing surface, how and where the spring force is applied, etc..
My BH286 has a B&P clutch. Maybe B&P has an actual chart for various spring lengths somewhere but I have never found one.