20t mobile crane

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20t mobile crane
Details
25T Truck Crane STC250C5-8Pro
Rated / rated power:60/600 / 80/2400 kW/rpm
35-ton class large cross-section main boom, with cross-sectional area increased by 10%, and strength improved by 15%
Category
Truck Crane
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Description

China Machinery International Trading Co., Ltd. is one of the leading manufacturers and suppliers of 20t mobile crane in China. With abundant experience, we warmly welcome you to buy cheap 20t mobile crane made in China here from our factory. For price consultation, contact us.

 

Outstanding Performance – Structure 3.0 Platform

 

 

Energy Saving & Consumption Reduction – i-ECO 1.0 System

35-ton class large cross-section main boom, with cross-sectional area increased by 10%, and strength improved by 15%

Integrated front-end structure with enlarged frame section, improving overall bending, torsion resistance, and reliability by 6%

Seamless regeneration technology (exclusive Yuchai version) enables automatic engine speed adjustment to reduce carbon buildup, allowing long-time operation without shutdown

Wider outrigger span, improving long-radius lifting performance by 7%

i-ECO fuel-saving technology matches engine torque to working conditions, improving energy efficiency and reducing fuel consumption by 20%

Advanced Control – i-EHC 2.0 System

Intelligent & Comfortable – i-Crane Smart Lifting System

Electro-hydraulic combined control system, delivering both fast response and high precision, greatly improving operability

Enhanced safety, with revolutionary improvements in lifting accuracy; radius and load precision increased by 50%, leading the industry

Pressure self-adaptive telescoping technology, ensuring smoother boom extension/retraction with reduced impact and eliminating vibration during small-angle retraction

More convenient operation, with standard features such as working condition recommendation and remaining radius indication

Smart display system in upper cab, enabling real-time monitoring of hydraulic working pressure

 

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product-1600-900
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product-1600-900
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Vehicle dimensions

 

 

Overall Dimensions

Model STC250C5-8Pro

Type

project

unit

parameter

Size parameters

Total length of the machine

mm

13770

Full width of the machine

mm

2550

total height of the machine

mm

3500

weight parameter

total mass of the machine

kg

33100

load

uniaxial and biaxial loads

Three-and four-axis loads

kg

7100

26000

 

type

project

unit

parameter

 

dynamic parameter

engine type

-

Yuchai YCK0830-66

 

maximum power of engine

kW/rpm

230/2200

 

maximum engine torque

N·m/rpm

1280/1200-1700

 

parameter of electric machine

Motor model

-

CRRC TZ220XS020A

 

rated / rated power

kW/rpm

60/600 / 80/2400

 

rated / value torque

N·m

360/560

 

Driving parameters

maximum speed

km/h

90

 

minimum turning radius

m

10.5

 

approach angle / departure angle

°

21/12

 

maximum gradability

%

47%

 

Key performance parameters

fuel consumption per 100 km

L

≤30

 

maximum rated gross lift

t

25

 

Bottom rotation radius of turntable

m

3.5

 

Leg span (lateral × longitudinal)

m

6.4×5.5

 

length of crane boom

basic arm

m

10.9%

longest main boom

m

43

longest main boom plus auxiliary boom

m

51

maximum lifting moment

basic arm

kN·m

1250.5

longest main boom

kN·m

840

 

longest main boom plus auxiliary boom

kN·m

408

 

 

axle weight

1

2

3

total weight

axle weight A

7.1

13

13

33.1

remarks

 

A-weighted

Number of pulleys

multiplying power

Hook weight/kg

25

4

8

290

5

0

1

85

▲ Note: The rated load refers to the crane's rated lifting capacity, not the lifting mechanism's lifting capability. The lifting mechanism's capacity is determined by the maximum winch pull force multiplied by a factor.

 

working speed

project

parameter

Wire rope diameter / length

maximum single rope tension

 

main winch

Single rope speed 0-30 m/min

16mm/195m

4.5t

auxiliary winch

Single rope speed 0-30 m/min

16mm/110m

4.5t

gyration

 

0-2.8r/min

 

Start/End Frame

 

40s/50s

 

Arm extension / arm retraction

 

70s/90s

 

Vertical leg extension/retraction

 

20s/18s

 
 

Horizontal leg extension/retraction

 

20s/18s

 

 

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