PSI 1100 PTO 

PSI 1100 PTO - CAT 3304&3306

The PSI Model 1100 is specifically designed for the Cat 33. The maximum 8" Clutch is capable of 140 HP @ 1800 rpm and can be supplied with an Pitts electric or Airflex clutch or equivalent. The accessory attachment provides a SAE C pad. The design eliminates the need for alignment bearings and periodic adjustments.

The drawing shows the Pitts electric clutch and the Vickers V3525 pump.