Mobile crane (QY20B)

QY20B turck crane max rated lifting capacity: 20t Max lifting height: 39.9m Main boom: 31.7m hyraulic truck crane

XCMG 20 tons Truck crane QY20B

The crane has the following features:

1.  The main performance parameters has reached advanced domestic level, and approached overseas like products.

2.  Adopting hydraulic drive, all mechanisms can be operated with stepless speed regulating steadily and reliably.

3.  The boom can stretch within a range of 10.2m to 32m in order and synchronization.

4.  The boom is made of high strength steel, HQ700, with main sectional plane of hexagon.

5. The boom drive mechanism is in the inner arm to increase inner section dimensions and improve strength.

6.  With two offset angles of 15and 30, the trussed type jib is extended and retracted artificially.

7.  The crane has a controllable free slipping slewing mechanism.

8.  This crane has planetary gear type main and vice lifting mechanism.

9.  Equipped with 013.45.1600.001 type slewing bearing made in Xuzhou , this crane has large load capacity and long working life.

10.  Perfect and advanced safety device equipped in this crane can guarantee operation security. The lighting device is convenient for night operation.

11. Equipped with adjustable seat, PPC operation device and full automatic overload display unit, the operator's cab has an expansive field of view.

12.  More selective equipment can be chosen by user, such as heating device, air conditioner, hydraulic pressure oil cooling system,etc.

13.  With compact construction and high traveling speed, the crane is flexible in operation and convenient in maintenance...

Main Technical Data for Lifting Operation...

Classificatory	Item				Unit	Parameter
Lifting performance	Max. total rated lifting capacity				t	20
	Min. rated working radius				m	3
	Turning radius at turntable tail				m	3.38
	Max. load moment		Base boom		kN.m	833
			Fully extended boom		kN.m	458.6
	Outrigger span		Longitudinal		m	4.97
			Lateral		m	5.4
	Lifting height		Base boom		m	10.2
			Fully extended boom		m	31.7
			Fully extended boom + Jib		m	39.9
	Boom length		Base boom		m	10.1
			Fully extended boom		m	31.2
			Fully extended boom + Jib		m	31.2+8.15
Working speed	Boom raising time				s	75
	Boom full extension time				s	95
	Max. swing speed				r/min	3
	Hoist speed (single line at 3rd layer)	Main winch		Full load	m/min	40
				No load	m/min	90
		Aux. winch		Full load	m/min	30
				No load	m/min	60
Noise limit	Crane exterior noise				dB (A)	118
	At seated position				dB (A)	90

Mobile crane (QY20B)