Hydraulic or electric portable traction unit. The traction unit can be directly mounted to and removed from a traction table or can have its own mobile stand which clamps securely to the traction table. The unit controls treatment times from 1-99 minutes with hold times up to 60 seconds. Traction can be increased in gradual steps. The unit incorporates as many as four treatment modes and features a pulling force from 0 to 200 lbs. The unit can also be used with a treatment table, chair or hospital bed.