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Case & Event

QAY300 adopts 7-axle chassis, 5-axle steering, 4-axle drive, elliptic section jib, and single-cylinder no-rope automatic stretch and retract, having strong lifting performance.
Through the application of the fieldbus technique, the computer integration control technique makes the product failure diagnosis highly intelligent, and makes the control highly automatic.
The mature application of limit load in accordance with the power makes the machine energy efficient, low noisy, environmental friendly, and safe.
The variable-rigidity air and hydraulic suspension technique makes the machine comfortable to drive and have good stability and longitudinal trafficability.
The additional equipment of the machine includes super-lift device, luffing jib, and fixed lengthening jib, which increase the lifting performance and working scope in an unimaginable proportion. The working radius and lifting height are respectively up to 86m and 116m.
 

Dimension

Unit

QAY300

Overall length

mm

18210

Overall width

mm

 

Overall height

mm

4000

Weight

Total weight in travel

kg

79680

Front axle load (axle 1, 2, 3)

kg

11625

Rear axle load (axle 4, 5, 6, 7)

kg

11201

Power

Engine model

 

TAD722VE

OM502LA.III/5

Engine rated power

kW/(r/min)

194/2100

420/1800

Engine rated torque

N.m/(r/min)

2700/1080

Travel

Max. travel speed

km/h

75

Min. turning diameter

m

24

Min. ground clearance

mm

 

Approach angle

°

19

Departure angle

°

19

Max. gradeability

%

40

Oil consumption per 100km

L

 

Main performance

Max. rated total lifting capacity

t

300

Min. rated  radius

mm

 

Turning radius at turntable tail

m

 

Max. lifting torque

kN.m

9526

Base boom

m

 

Fully extended boom

m

 

Fully extended boom + jib

m

 

Outrigger longitudinal distance

m

8.7

Outrigger transverse distance

m

9.2