| |
| Engine |
| Model |
Komatsu
3D68E-N3FB |
 |
| Type |
low
emissions 4-cycle diesel engine |
|
| Displacement |
784
cm ³ |
|
| Cyl.
bore x stroke |
68
x 72 mm |
|
| N°
of cylinders |
3 |
|
| Combustion |
swirl
pre-combustion chamber type |
|
| Aspiration |
natural
aspiration |
|
| Max.
power |
12,7
kW - 17 HP |
|
| Rated
power |
|
|
| (SAE
J 1349) |
11,4
kW - 15,3 HP - 2600 rpm |
|
| (80/1269/EC) |
11,2
kW - 15,0 HP - 2600 rpm |
|
| Max.
torque |
49
Nm - 1800 rpm |
|
| Cooling
system |
radiator |
|
|
| |
| Hydraulic System |
| The digging equipment
is completely servo controlled by means of two control sticks mounted on
tiltable cases in order to make it easy to get on and off the machine
and to disconnect said equipment during such moves. |
| Type |
Komatsu
CLSS |
|
| Pumps
Type |
Variable
displacement pump + gear pump |
|
| Max.
delivery |
38,5
+ 6,6 l/min |
|
| Hydraulic
motors |
|
|
| travel |
2
x axial pistons |
|
| swing |
1
x orbital motor |
|
| Operating
pressures |
|
|
| working
equipment |
20,6
MPa (206 bar) |
|
| travel |
20,6
MPa (206 bar) |
|
| swing |
12,3
MPa (123 bar) |
|
| Hydraulic
cylinders |
|
|
| bore
x stroke |
|
|
| boom |
60x355
(canopy) - 60x345 (cab) mm |
|
| arm |
55x447
mm |
|
| bucket |
50x
378 mm |
|
| boom
rotation |
60
x 313 mm |
|
| blade |
60
x 60 mm |
|
|
| |
| Electric System |
| Operating
voltage |
12
V |
|
| Battery |
45
Ah |
|
| Alternator |
20
A |
|
| Starter
motor |
0,9
kW |
|
|
| |
| Swing System |
| The rotation is
operated by means of an orbital hydraulic motor. Single ball - bearing
ring with internal, induction hardened toothring. Centralised
lubrication of the unit. |
| Swing
speed |
10,
4 rpm |
|
| Boom
angle (max.) |
50°
right / 90° left |
|
|
| |
| Blade |
| Type |
electro
welded, single unit structure |
|
| Width
x height |
1000
x 250 mm |
|
| Max.
lifting above ground level |
280
mm |
|
| Max.
depth below ground level |
155
mm |
|
|
| |
| Undercarriage |
| Central lower frame and
carriage frame with boxed section. Hydraulic adjustment of the track
width (HS version). |
| Shoes |
nb.
31 |
|
| Track
rollers |
3 |
|
| Shoes
width (steel/rubber) |
230
mm |
|
| Ground
pressure (std version) |
0,3
kg/cm² |
|
|
| |
| Transmission |
| Type |
hydrostatic
transmission, controlled and steered by means of two levers with
two pedals |
|
| Hydraulic
motors |
with
axial pistons |
|
| Reduction
system |
epicyclic
reduction gear |
|
| Max.
traction force |
1360
daN - (1390 kg) |
|
| Travel
speed |
2,2
- 4,2 km/h |
|
|
| |
| Noise Level |
| The values are given
according to the directive EC 89/514 and EC 95/27. |
| Dynamic
test |
|
|
| Sound
power level |
94
LwA (canopy) |
|
| Sound
pressure level |
76
LpA (canopy) |
|
|
| |
| Capacities |
| Fuel
Tank |
20
l |
|
| Radiator
and system |
3,2
l |
|
| Engine
oil |
2,8
l |
|
| Final
reduction gears (for each side) |
0,6
l |
|
| Hydraulic
oil tank |
23
l |
|
|
| |
| Weight |
| Operating
weight with rubber shoe |
1575
kg |
|
| Operating
weight with steel shoe |
1650
kg |
|
| Heated
cab weight |
+
130 kg (optional) |
|
| Variable
undercarriage weight (HS version) |
+
80 kg (optional) |
|
|
