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.

Dimension

Unit

QAY400

Overall length

mm

18850

Overall width

mm

Overall height

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