Zoomlion ZRT850, Operator'S Manual

Page: 173 / 179

起
重
机
说
明
Operator’s Manual for Rough Terrain Crane
Sp
ec
ific
atio
ns
TYPE ITEM UNIT VALUE
Hydraulic oil tank capacity
gal.
L
264.2
1000
Mass
Complete vehicle mass
lbs
kg
114640
52000
Front axle load
lbs
kg
59525
27000
Rear axle load
lbs
kg
55116
25000
Travel
Max. travel speed
mph
km/h
22.3
36/36
Wheelbase
in
mm
163.4
4150
Treads (Front / rear)
in
mm
103.6
2632
Max. gradeability % 75
9.4.2 SPECIFICATIONS – UPPERSTRUCTURE
A. Main Boom and Extend / Retract Mechanism
(1) The main boom has 5 U-shaped boom sections (1 basic boom and 3 telescopic
sections) made of high strength steel.
(2) The main boom head has 6 sheaves. You do not have to remove wedges when you
change line parts. A rooster sheave can be mounted at the boom head.
(3) The boom sections extend / retract by two hydraulic cylinders and two sets of boom
extension / retraction ropes. The cylinder has a balance valve.
Min. main boom length (with sections fully retracted): 12100 mm (39.7 ft.)
Max. main boom length (with sections fully extended): 47000 mm (154.2 ft.)
Extend time: 0 – 120 seconds
B. Jib
(1) The crane has a 2-section jib. Section 1 is a quadrilateral lattice structure and section
2 is a triangle lattice structure.
(2) The jib section 2 is secured into jib section 1, and the whole jib is secured onto the
right side of main boom via moveable pins during traveling. Meanwhile, the jib section
2 can also be secured onto the right side of main boom independently.
(3) A sheave is assembled at the jib head.
Offset: 0°, 15° and 30°
Jib lengths: 9.5 m – 16 m (31.2 ft. – 52.5 ft.)
ZRT850 Rough Terrain Crane 9-11