Product introduction

ZTD45 20T Luffing Cranes Overviews

Quick Detail:

Max capacity: 20t

Max tip capacity: 3.7t

Max boom jib length (radius): 45m

Roof crane is a small lifting equipment that "does not have a tower body, directly fixed on the roof or top structure of the building", which can complete the lifting of components, equipment handling or tower crane self-demolition operations on the roof.

ZTD45 heavy crane technical parameter

Mechanism (ZTD45 20T)2Fall4FallDrum capacityMotor
m/mintm/mintKW
Hoisting20T85LVF500-35 0-70 0-10510.0 4.4 1.20-17.5 0-35 0-52.5

20 

8.8

2.4

  700m >700m☆65
Luffing60DVF30-G215°-80° 2.6min45
SlewingRVF7.50-0.7rpm2*7.5
PressureKVA
380V(±10%) 50HZ166

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FAQ

What is the main use of a tower crane?


Tower cranes are mainly used in high-rise construction, especially when there is a need to vertically lift heavy loads or large components. They provide an efficient lifting solution on construction sites.

What is the working principle of a tower crane?


A tower crane operates with a rotating mast and jib. It lifts heavy objects using a hook powered by an electric motor, with steel cables that carry the load during lifting operations.

What are the main safety measures for tower cranes?


Safety measures for tower cranes include regular inspections and maintenance, operator training, overload prevention systems, and the installation of limit devices.

What is the lifting capacity of a tower crane?


The lifting capacity of a tower crane depends on the model and configuration, typically ranging from several tons to several hundred tons.

Are tower cranes suitable for all construction projects?


Tower cranes are primarily used for high-rise buildings and large-scale construction projects. They may not be suitable for low-rise buildings or smaller projects.

What is the typical rental cost for a tower crane?


The rental cost of a tower crane varies depending on the crane's specifications, rental duration, and location, typically ranging from several thousand to tens of thousands of RMB.

ZTD45 Derrick Tower Crane 20t Capacity 45m Jib Length 3.7t Tip Load Hoisting Equipment

Product Model:

The ZTD45 is an 20t class derrick cantilever crane, which can still lift 3.7 t at the 45 m long jib end.
  • Commodity name: ZTD45 Derrick Tower Crane 20t Capacity 45m Jib Length 3.7t Tip Load Hoisting Equipment
  • Max. hoisting capacity: 20
  • Max. hoisting capacity at jib end: 3.7
  • Max. boom length: 45
  • Max. jib Length: 45
  • Tip Load: 3.7

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