6519 Cistern with push-button 
  (side inlet) A
  6469 Cistern with side lever 
  (bottom inlet)B
  6419 Cistern with push-button 
  (bottom inlet) C

  Weight: 
    6284: 20,700 Kg 
    6519:  12,400Kg 
    6469: 12,400 Kg
    6419:  12,400Kg