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Crawler Crane ZCC550H
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Item Unit Value Remarks
Max. lifting capacity × radius t × m 55×3.7  
Max. lifting capacity on fixed jib t 5.5  
Max. lifting capacity of luffing jib t 12  
Main boom length m 13 - 52  
Fixed jib length m 6 - 15  
Max. length of main boom with fixed jib t 43+15  
Luffing jib length m 16m-28m  
Max. main boom +max. luffing jib m 40mm+28mm  
Derricking angle 30 - 80  
Fixed jib angle 10,30  
Max. rope  speed
of winches
Hoisting winch 1 m/min 125/100 With optional free-fall function
Hoisting winch 2 125  
Derricking winch 80  
Slewing speed rpm


Traveling speed km/h 0-1.6  
Max. gradeability % 30 With basic boom and counterweight over front
Ground pressure Mpa 0.068  
Deadweight t 50.5 With basic boom
Crane counterweight t 17.5  
Overall dimensions(L × W × H) m 12800×4600(3300)×3120 With A-frame and main boom pivot section
Engine Model   WP6G190E26 Manufacturer:Weichai Power CO, Ltd.
Rated power / rotational speed kW/r/min 140/1900
Max. output torque /rotational speed Nm/r/min 830/1300
Exhaust emission   National StageⅡ
Distance between track center × crawler contact length × crawler width mm 2540 ×5000×760 Crawler carrier retracted
3840 ×5000×760 Crawler carrier extended 
Noise Noise level outside operator’s cab during operation (dB) ≤107  
Noise level in operator’s cab during operation ≤85