This 8t topless tower crane includes GHP5515B and GHP5020B, please see below detailed information for your reference. 

1. Free standing height: 59.8m 
2. Max load: 8t 
3. Tip load: 1.5t at 55m jib length, 2.0t at 50m jib length 
4. Max working range: 55m 
5. Hoisting mechanism: 33PC20 
6. Slewing mechanism: RCV95 
7. Trolleying mechanism: X96 

Besides, we also supply topless tower crane of 10t, 12t, 18t and 24t, if you have any inquiry, please let me know, thanks. Any requiry will be replied within two working days.