QAY300 adopts 7-axle chassis, 5-axle steering, 4-axle drive

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Product Description:

 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.

DimensionUnitQAY300
Overall lengthmm18210
Overall widthmm
Overall heightmm4000
Weight
Total weight in travelkg79680
Front axle load (axle 1, 2, 3)kg11625
Rear axle load (axle 4, 5, 6, 7)kg11201
Power
Engine modelTAD722VE
OM502LA.III/5
Engine rated powerkW/(r/min)194/2100
420/1800
Engine rated torqueN.m/(r/min)2700/1080
Travel
Max. travel speedkm/h75
Min. turning diameterm24
Min. ground clearancemm
Approach angle°19
Departure angle°19
Max. gradeability%40
Oil consumption per 100kmL
Main performance
Max. rated total lifting capacityt300
Min. rated  radiusmm
Turning radius at turntable tailm
Max. lifting torquekN.m9526
Base boomm
Fully extended boomm
Fully extended boom + jibm
Outrigger longitudinal distancem8.7
Outrigger transverse distancem9.2
Working speed
Boom luffing times
Boom full stretching times
Max. swing speedr/min
Max. speed of main winch (single rope) (no load)m/min
Max. speed of aux. winch (single rope) (no load)m/min

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