Used Liugong 939 excavator
The LiuGong-939E large crawler excavator is equipped with a Cummins QSL9 engine (214kW), a 1.9m³ bucket, and a digging force of 232/252kN, with a swing speed of 10rpm and a travel speed of 5.5/3.4km/h. The Kawasaki hydraulic valve improves control accuracy, and the carrier wheels with protective plates ensure durability. The spacious cab is equipped with air conditioning, suitable for scenarios such as mines and infrastructure, efficiently completing excavation and loading tasks, fuel-efficient and reliable.
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The LiuGong – 939E is equipped with a Cummins QSL9 engine, boasting a rated power of 214kW/2100rpm. It delivers strong power output, easily coping with various complex working conditions. The engine adopts turbocharging, air – to – air intercooling, common rail, and electronically controlled direct injection technologies. Not only does it have good fuel economy, but it also features an automatic idle speed and two – stage speed reduction functions, which can effectively reduce noise and fuel consumption. With an overall operating weight of 35,800kg and a standard bucket capacity of 1.9m³, its bucket rated/supercharged digging force reaches 232/252kN, and the stick rated/supercharged digging force is 210/228kN. It has a powerful digging capability. Combined with a swing speed of 10rpm and a travel speed of 5.5/3.4km/h, it offers extremely high work efficiency.



The LiuGong – 939E has a strong and durable structure. It is made of high – quality materials through precise manufacturing processes, adapting to harsh working environments. Its advanced hydraulic system is equipped with a Kawasaki new – type main control valve, which expands the valve core control range, improves the micro – motion performance, and enhances the sensitivity and accuracy of the overall machine operation. The track frame carrier wheels are protected by an integral protective plate, effectively extending the service life of components. The cab is designed in a human – centered way, spacious and comfortable. It is equipped with high – quality seats and an air – conditioning system. The good vision and ergonomic layout provide convenience and comfort for operators and reduce labor intensity.

The LiuGong – 939E is a large – scale crawler excavator suitable for various earthwork and construction tasks. It performs outstandingly especially in scenarios requiring heavy – duty excavators such as mine exploitation and large – scale infrastructure projects, efficiently completing tasks like digging, loading, and crushing. With its powerful performance and stable quality, it can help users improve work efficiency and reduce operating costs, making it a capable assistant in engineering construction.

Technical Parameter

Item | Parameter |
---|---|
Overall operating weight | 35,800 kg |
Bucket capacity | 1.9 m3 |
Boom length | 6,400 mm |
Stick length | 2,600 mm |
Tonnage | 39 tons |
Swing speed | 10 rpm |
Travel speed | 5.5/3.4 km/h |
Gradeability | 35° |
Ground bearing pressure | 66.8 KPa |
Bucket digging force | 232/252 kN |
Stick digging force | 210/228 kN |
Maximum traction force | 320 kN |
Engine model | Cummins QSL9 |
Rated power | 214 kW/2100 rpm |
Maximum torque | 1,343 Nm/1600 rpm |
Displacement | 8.9 L |
Number of cylinders | 6 |
Bore *Stroke | 114*145 mm |
Cooling method | Water-cooled |
Working mode | Turbocharged, air-to-air intercooled, common rail, electronically controlled direct injection |
Travel hydraulic circuit pressure | 34.3 Mpa |
Swing hydraulic circuit pressure | 26.2 Mpa |
Hydraulic tank capacity | 240 L |
Hydraulic system capacity | 450 L |
Fuel tank capacity | 620 L |
Overall transport length | 11,350 mm |
Overall transport width | 3,190 mm |
Overall transport height | 3,800 mm |
Track shoe width | 600 mm |
Track gauge | 2,590 mm |
Minimum ground clearance | 532 mm |
Minimum swing radius of front working device | 4,700 mm |
Maximum digging radius | 10,560 mm |
Maximum digging radius at ground level | 10,350 mm |
Maximum digging depth | 6,730 mm |
Maximum digging height | 9,830 mm |
Maximum unloading height | 6,900 mm |
Maximum vertical digging depth | 4,430 mm |
USED LIUGONG 939 EXCAVATOR video