Unit

Index

QTZ31.5

Nominal hoisting moment

kN.m

315

Max. hoisting weight

t

3

Rated hoisting weight at jib nose

t

0.734

Working radius

m

2.5~39

Height

Independent

m

25

Attached

m

100

Hoisting

Speed

Ratio.

2

Hoisting

speed

m/min

42/21/7

Swing speed

r/min

0.45/0.7

Radius speed

m/min

33

Top-hoisting speed

m/min

0.7

Weight(independent)

t

19.5(21)

Ballast weight

t

5

Max. swing radii

m

39.75

rear swing radii

m

10.37

Max. working wind speed

m/s

20

Max wind speed for top rising

m/s

13

Working temperature

°C

-20~40