Unit : mm
| Application |
Mass Excavator |
| Arm length |
2.9m |
| Boom length |
7.25m |
| A |
Overall length |
13,590 |
| B |
Overall height (to top of boom) |
4,880 |
| C |
Overall width |
with 650 mm shoe |
4,200 (Extended)
3,400 (Retracted) |
| with 750 mm shoe |
4,300 (Extended)
3,500 (Retracted) |
| C' |
Overall width |
4,440 (Extended)
3,640 (Retracted) |
| D |
Overall height (to top of cab) |
3,700 |
| E |
Ground clearance of rear end* |
1,560 |
| F |
Ground clearance* |
850 |
| F' |
Ground clearance* |
520 |
| G |
Tail swing radius |
4,600 |
| G' |
Distance from center of swing to rear end |
4,480 |
| H |
Tumbler distance |
5,140 |
| I |
Overall length of crawler |
6,380 |
| J |
Track gauge |
with 650 / 700 mm shoe |
3,550 (Extended)
2,750 (Retracted) |
| K |
Shoe width |
650 / 750 |
| L |
Overall width of upperstructure |
3,350 |
| L' |
Overall width of upperstructure |
3,980 |
| M |
Overall length of upperstructure |
6,360 |
* Without including height of shoe lug.
| Model Name |
SK850LC |
| Machine Type |
SK850LC |
| Model |
KOMATSU SAA6D140E-5 |
| Type |
Direct injection, water-cooled, 4-cycle electrically-controlled common rail system type
diesel engine with turbocharger, intercooler |
| Rated power output |
kW/min-1{rpm} |
370 {503 PS} / 1,800 (ISO14396:2002) |
| Hydraulic oil tank |
L |
473 L tank oil level
851 L hydraulic system |
| Pump |
Type |
Two variable displacement pumps +1 gear pump |
| Max.Discharge flow |
L/min |
2 x 504 , 1 x 30 |
| Swing speed |
min-1{rpm} |
8.4 |
| Travel Speed |
km/h |
4.2 / 2.7 |
| Drawbar pulling force |
kN{kgf} |
637 {65,000} (J1309) |
| Gradeability |
% ( º ) |
70 (35) |
| Travel shoes |
51 each side |
| Travel motors |
2 x axial-piston motor,two-step motors |
| Bucket capacity |
ISO heaped |
m3 |
5.1 |
4.3 |
| Opening width |
With side cutter |
mm |
2,380 |
2,000 |
| Operating Weight |
kg |
80,500 / 81,100 |
Unit : m
| Application |
Mass Excavator |
| a |
Max. digging reach |
12.45 |
| b |
Max. digging reach at ground level |
12.13 |
| c |
Max. digging depth |
7.38 |
| d |
Max. digging height |
11.69 |
| e |
Max. dumping clearance |
7.77 |
| f |
Min. dumping clearance |
3.66 |
| g |
Max. vertical wall digging depth |
4.42 |
| h |
Min. swing radius |
5.47 |
| h' |
Height at min.swing radius |
10.24 |
| i |
Horizontal digging stroke at ground level |
4.37 |
| j |
Digging depth for 2.4m (8') flat bottom |
7.23 |
| Bucket capacity ISO heaped |
m3 |
5.1 |
| Digging Force (ISO 6015) |
Unit: kN{kgf} |
| Bucket digging force |
432 |
| Arm crowding force |
351 |
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This page may contain attachments and optional equipment that are not available in your area.And it may contain photographs of machines with specifications that differ from those of machines sold in your areas.Please consult your nearest Kobelco distributor for those items you require.Due to our policy of continuous product improvements all designs and specifications are subject to change without advance notice.
