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 | |