STB Self-Propelled Telescopic Boom Aerial Lift(21-25M)
 Features:
1) For the purpose of building and repairing ship, construction, telecommunication, decoration, etc.
2) Help to construct without scaffold, reduce labor intensity and improve working efficiency.
3) Equipped with control in platform, can control the running, turning, ascent and descent of work arm, lifting of boom, revolving and swing of platform and realizes steepless speed variation.
4) Equipped with various safety requirements: aerial working emergency stop device, complete machine tilting alarm device, security protection device of hydraulic system and emergency descent device, etc.
Item |
STB-21 |
STB-25 |
Wheel |
Front Wheel |
7.50-20 |
9.00-20 |
Rear Wheel |
7.50-20 |
9.00-20 |
Travel Speed |
Quick Travel Speed |
2.2KM/H |
2KM/H |
Low Travel Speed |
1.2KM/H |
1KM/H |
Platform |
Loading Capacity |
250KG |
250KG |
Max. Working Height |
22.7M |
26.7M |
Max. Platform Height |
21M |
25M |
Max. Turning Radius |
18.5M |
17.108M |
Swing Angle |
90 |
90 |
Boom |
Ascending and Deacending Angle |
-10~71 |
-11~71 |
Boom Length |
9.15~20.25M |
11.46~23.646M |
Rotation Angle |
360 Random |
360 Random |
Diesel Engine |
Model |
CY4102BG |
CY4102BG |
Total Displacement of Piston |
3.856L |
3.856L |
Engine Power |
49KW/2,300RPM |
55KW/2,700RPM |
Max. Torque |
235N.M/1,600RPM |
245N.M/1,600RPM |
Hydraulic Main Pump |
Main Pump |
40ML/Rev |
40ML/Rev |
Gear Pump |
10.7ML/Rev |
10.7ML/Rev |
Max. Pressure |
Main Control System |
17.5MPa |
17.5MPa |
Assisted Control System |
14MPa |
14MPa |
Dimension |
11,140 x 2,674 x 3,006MM |
12,330 x 2,728 x 3,320MM |
Operation Weight |
14,500KG |
14,900KG |
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