QAY400
The product adopts 7-axle all terrain chassis, 5-segment oval-section jib, and single-cylinder no-rope automatic stretch and retract system. It has optional self-loading and unloading super-lift device, fixed extension jib, and luffing jib, featuring large working scope and strong lifting performance. The working radius can reach 96m, and the lifting height can reach 120m. The combined self-support counterweight device which can load and unload by itself makes the connection more convenient, safer, and more reliable.
Adopt the closed hydraulic system, power management function of the multi-pump system, featuring more stable operation and good slight mobility. The application of the computer integrated control technique and the CAN-BUS control network improve the intelligent level and advancement of the product. The pressure memory function, motor stalleddescent inspection, and speed control in different working conditions make the product safer and more reliable.
Full-head luxury cab adopts new combined center console layout and suspension seat whose height can be adjusted automatically, which shows the humanity design and makes the driving safer. The stable reliable and advanced drive system and the new outrigger structure supply strong supports for the safety and reliable running of the machine.

Technical Specifications

Dimension Unit QAY400
Overall length mm 18850
Overall mm
Overall mm 4000
Weight
Overall weight in transport kg 84000
Front axle load kg
Rear axle load kg
Power
Engine model TAD750VE
OM502LA.III/5
Engine rated power kW/(r/min) 200/2300
420/1800
Engine rated torque N.m/(r/min) 2700/1080
Travel
Max. travel speed km/h 70
Min. turning diameter m 25
Min. ground clearance mm
Approach angle ° 16
Departure angle ° 14
Max. grade ability % 40
Fuel consumption for 100km L
Main performance
Max. rated total lifting capacity t 400
Min. rated working radius mm
Turning radius at turntable tail m
Max. lifting torque kN.m 12152
Base boom m
Fully extended boom m
Fully extended boom+ jib m
Longitudinal outrigger span m 9.5
Lateral outrigger span m 9.8
Working speed
Boom luffing time s
Boom full extension time s
Max. swing speed r/min
Max. speed of main winch (single rope) (no load) m/min
Max. speed of aux. winch (single rope) (no load) m/min

& Due to improvements made to the product, data herein is subject to change without notice.
& Affected by the reproduction conditions, the pictures and data differ somewhat from the actual machine
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Company Name: Shanghai Longji Construction Machinery Co., Ltd.
Add: No.177,Xinxiao Road ,Songjiang District, Shanghai City, China
Post Code: 201612
Tel: +86-21-541-71571
Fax: +86-21-541-71572
E-mail: info@shlongji.com
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