This is the Same as PIC No. 140-834, Except This Unit Uses the Short (5MT) Solenoid. Also, This Unit Uses Accurate #4-482 Drive, While the Earlier Versions Use 4-282. These Roller Clutch, Spragg, and Posi-Tork Drives Will All Fit, and Interchange. The 6575 (28MT) Can Replace This, if Desired.