Main Technical Parameters 

Unit

YTQU55B

Maximum hoisting capacity

t

55

Maximum hoisting torque

t·m

55×3.8

Length of main arm

m

13~37 (52m is optional)

Length of auxiliary arm

m

6.10~15.25

Total maximum length of main arm and auxiliary arm

m

43+15.25

Luffing angle of main arm

°

30-80

Rope lifting and lowering speed of main winch

m/min

0~110

Rope lifting and lowering speed of auxiliary winch

m/min

0~70

Rope lifting and lowering speed of luffing winch

m/min

0~65

Slewing speed

r/min

0~2.2

Travelling speed

km/h

0~1.3

Gradeability (with basic arm and keep the cab rearward)

%

40

Engine rated output power/rotation speed

kw/r/min

132kW/2000rpm

Model of engine

 

Cummins 6BTAA5.9-C180

Total weight (with basic arm and largest hoisting hook)

t

55

Ground pressure of crawler (with basic arm)

Mpa

0.069

Counterweight mass

t

17.5

Crawler gauge

mm

3360(4520)

Wheel track of crawler

mm

4890

Width of crawler

mm

760

Maximum transportation weight for a single piece

t

32

Maximum transportation dimensions for a single piece (length X width X height)

mm

7200×3360×3360