China 21T hydraulic crawler digging excavator with high reach demolition, Find details about China construction equipment, construction machinery from 21T hydraulic crawler digging excavator with high reach demolition
Bucket capacity | 0.9m3 |
Operating weight | 21250kg |
Max. digging force | 147.1kN |
Swing speed | 12.1r/min |
Traveling speed (low/high) | 3.5/5.7km/h |
Average ground pressure | 45.3kPa |
Max. digging radius | 9940mm |
Max. digging depth | 6730mm |
Max. digging height | 9450mm |
Max. dumping height | 6650mm |
Min. front swing radius | 3650mm |
Engine | |
Model | BF6M2012 |
Type | Four-stroke, supercharged, inter-cooled |
Rated Power | 123kW |
Displacement | 6057ml |
Cylinder bore × stroke | 101×126mm |
Rated fuel consumption | 193.4g/kW.h |
Max. torque | 695N.m |
Traveling/swing system | |
Qty. of carrier rollers (single side) | 2 |
Qty. of track rollers (single side) | 7 |
Traveling brake type | Wet and disc type (hydraulic oil released and spring-loaded |
Swing mode | Hydraulic drive internal tooth single-row ball-bearing |
Swing brake type | Wet and disc type (hydraulic oil released and spring-loaded) |
Hydraulic system | |
Hydraulic control type | Pilot proportional control valve |
Hydraulic system type | Dual-pump constant power negative flow control |
Max. flow | 2×207+18L/min |
Main pump model | K3V112DT |
Working pressure | 330/350kgf/cm² |
Main valve model | UX28 |
Arm cylinder - cylinder bore × diameter of piston rod × stroke | 1-135×95×1540mm |
Boom cylinder - cylinder bor × diameter of piston rod × stroke | 2-125×80×1235mm |
Bucket cylinder - cylinder bore × diameter of piston rod × stroke | 1-120×80×1065mm |
Fill capacity | |
Fuel | 350L |
Engine oil | 23.5L |
Hydraulic oil | 295L |
Traveling reducer | 2×5.8L |
LxWxH (LxBxM) | 9700x2800x2940 mm |
Overall width of upper assembly (A) | 2700mm |
Tail swing radius (D) | 2860 mm |
Overall engine hood height (E) | 2350mm |
Counterweight ground clearance (F) | 1032mm |
Wheel base (G) | 3370 mm |
Track length (H) | 4170mm |
Track gauge (I) | 2200mm |
Crawler pad width (J) | 600mm |
Min. ground clearance (K) | 460 mm |
Overall height of boom (M) | 2920mm |