
•The innovative jib system adopts embedded block, plug-in boom head
and international advanced U section jib, which has excellent
lifting performance and safe and reliable lifting work.
•The unique stretch and retract technique avoids the bend of the
core pipe and cylinder and the break of the boom caused by
misoperation, improving the safety of the operations.
•Eight patent techniques ensure the smooth, high efficiency and
energy conservation of the lifting, rotation, and luffing systems.
•Adopt the new hydraulic motor with big torque starting point,
making the secondary lifting safer.
•The torque limiter adopts colorful LCD display, realizing the
intelligence of the failure diagnosis. The precision is ahead of
the industry.
•The humanity design makes the cab and control cab more spacious,
and easy to operate.
•Six unique manufacturing technologies ensure the high quality.
Dimension | Unit | QY50K-Ⅱ |
Overall length | mm | 13750 |
Overall width | mm | 2800 |
Overall height | mm | 3520 |
Weight |
|
|
Total weight in travel | kg | 41000 |
Front axle load | kg | 15000 |
Rear axle load | kg | 26000 |
Power |
|
|
Engine model |
| WD615.334(domestic III) |
Engine rated power | kW/(r/min) | 247/2200 |
Engine rated torque | N.m/(r/min) | 1350/1400 |
Travel |
|
|
Max. travel speed | km/h | 80 |
Min. turning diameter | m | 24 |
Min. ground clearance | mm | 291 |
Approach angle | ° | 17 |
Departure angle | ° | 11 |
Max. grade ability | % | 40 |
Fuel consumption for 100km | L | 45 |
Main performance |
|
|
Max. rated total lifting capacity | t | 50 |
Min. rated working radius | m | 3 |
Turning radius at turntable tail | m | 3.482 |
Max. lifting torque | kN.m | 1764 |
Base boom | m | 11.3 |
Fully extended boom | m | 42.7 |
Fully extended boom+ jib | m | 57.7 |
Longitudinal outrigger span | m | 5.91 |
Lateral outrigger span | m | 6.9 |
Working speed |
|
|
Boom luffing time | s | 88 |
Boom full extension time | s | 180 |
Max. swing speed | r/min | ≥2.0 |
Max. speed of main winch (single rope) (no load) | m/min | ≥110 |
Max. speed of aux. winch (single rope) (no load) | m/min | ≥110 |
Shanghai Dreamer Group Co., LTD
We are Shanghai Dreamer Group Co., Ltd which has been being regarded as one of the top sales corporations specialize in selling used construction machinery & used earth-moving equipment in China .We provide second-hand equipments including excavator, loader, bulldozer, grader, road roller, truck crane dump truck and so on .
Background
Our history can be traced back to the 1987 when the two founders--- Mr Liang and Mr Li ,Came to Shanghai and started to focus at repairing various kinds of construction machines.
In 1990s, we started to sell used construction equipment in domestic market.
After 2002, china government abolished the restrictions on used construction machinery importing and exporting, we started to expand business abroad. Our products were sold to Southeast Asia, South America, Middle East, Africa, Oceania and other regions. Our customers speak highly of our products and we built good reputation in the field.
Advantage
With more than 30 years of experience and knowledge in used construction machine field, our teams have absolute confidence and ability to help you choose suitable machines according to your requirements.
We invested the biggest yard of secondhand excavators in Shanghai, which allow us to store all kinds of second heavy machinery with different types, brands, sizes, and year of manufacture.
We have more than 200 brokers who work with our engineers to source and check used machinery from construction site outside, and choose to buy good condition machinery back to our Shanghai yard. that's the reason why we can help our customers to choose the most suitable machine they need.
There are more than 30 repairmen and technique persons who are responsible for testing & reconditioning the used equipments. Good service of after-sales is the double security for buyer and it is also the cecret key of long-term business for seller.
We hope our sincere service will be paid with your trust and recognition!
Tel: +86 18717775120
EMAIL: info@secondhandexcavators.com
Wechat: