Items

 Main Parameters

 Model

 PMG20

 Max. lifting capacity 

 21 t 

 Rated lifting capacity 

 18 t

 Rated lifting capacity of assistant boom

 3 t

 Operating weight (about) 

 22900 kg

 Delivery dimension (L×W×H)

 4000×3010×3200 

 Delivery weight of main set 

 21400 kg

 Average ground pressure 

 78 kPa

 Min. ground clearance 

 355 mm

 Max.climing capability 

 20  °

 Suitable ambient conditions

 Ambient temperature -20℃-40℃;
 Altitude below 3000m

Engine

 Model

 Shanghai Diesel Engine D6114

 Rtd power/ Rtd rotating speed 

 114/1800 kW/rpm

Traveling
System

 Chassis

 Bulldozer chassis T140-2

 Operation mode

 Joystick

 Theoretical
 travel speed 

4 Forward gears  km/h

 2.5/3.55/5.68/7.53

3 Reverse gears  km/h

 3.53/4.96/7.94 

 Length of track on ground   

 2570 mm

 Track shoe width                 

 560 mm

 Number of track rollers 

 6×2 (4×2 S/F; 2×2 D/F)

Hoisting
System

 Luffing type

 Cylinder luffing 

 Operation mode

 Hydraulic joystick

 Main Boom

 Length               

 5500 mm

 Max. lifting height  

 4400 mm

 Assistant  Boom

 Length                  

 2400 mm

 Max. lifting height  

 6200 mm

 Main Boom luffing angle 

 0~87  °

 Main hook speed  (6 times) 

 0~11 m/min

 Luffing time 

 20 s boom down; 12 s boom up

 Executed standard

 ISO 8813-92