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






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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