PRELIMINARY SPECIFICATIONS: 20 TON CAPACITY OVERHEAD CRANEPENDANT CONTROL32 SPANAPROX . 122 OF RUNWAY. THIS CRANE HAS A 15 TON CRANE ON SAME RAIL. CAN BE PURCHASES AS A SET ON THE SAME RAILS, MATCH SET WITH ALL RAILS. RAILS CAN BE QUOTED ADDITIONAL. PLEASE DONT HESITATE TO ASK YOUR SALES PERSON.