The 8-ton excavator is a powerful construction machine, equipped with YANMAR engine and an air-conditioned cab. It has a powerful boom and bucket, capable of digging and lifting heavy objects such as soil and rocks. It is equipped with a rotating cab and can operate in different directions. It is widely used in construction sites, mines and infrastructure projects, and can efficiently complete various tasks.Operators value their efficiency, ease of transport, reduced environmental impact (lower noise/fuel consumption), and ability to work where larger excavators cannot.Overall, the 8-ton excavator is an essential tool for any large-scale construction or excavation project, providing the power and flexibility needed to get the job done efficiently and effectively.
MODEL | QL-60.9 | QL-80.9 | |
Operating weight (T) | 6 | 8.2 | |
Bucket capacity (m3) | 0.22 | 0.32 | |
Engine model | YANMAR 4TNV94 | YANMAR 4TNV98 | YANMAR 4TNV98T |
Rated power (kw/r/min) | 36.2/2100 | 46.3/2200 | 56.5/2200 |
Volume of fuel tank (L) | 100 | 130 | |
Travel speed (km/h) | 4.2/2.2 | 5.1/2.7 | |
Swing speed(r/min) | 9.5 | 10 | |
Max climbing degree° | 70 | 70 | |
Bucket digging force at power max (KN) ISO | 42 | 52 | |
Average grounding pressure(KPA) | 33.5 | 30 | |
Hydraulic pump model | InLine HP5V76 | InLine HP3V80 | |
Maximum flow (L/min) | 160 | 165 | |
Setting pressure (MPa) | 28 | 32 | |
Volume of hydraulic tank (L) | 80 | 90 | |
A Overall length (mm) | 5960 | 6100 | |
B Overall width (mm) | 1960 | 2300 | |
C Overall height (to top of boom)(mm) | 1995 | 2515 | |
D Overall height (to top of cab)(mm) | 2690 | 2680 | |
E Counterweight ground clearance (mm) | 700 | 760 | |
F Min. ground clearance (mm) | 360 | 380 | |
G Tail swing radius (mm) | 1700 | 1755 | |
H Track grounding length (mm) | 2000 | 2150 | |
J Track length (mm) | 2560 | 2760 | |
K Track gauge(mm) | 1560 | 1700 | |
L Track width (mm) | 1960 | 2150 | |
M Track shoe width (mm) | 400 | 450 | |
N Turntable width (mm) | 1906 | 2198 | |
O Max. digging height (mm) | 5750 | 7165 | |
P Max. dumping height (mm) | 3980 | 5065 | |
Q Max. digging depth (mm) | 3860 | 4038 | |
R Max. vertical wall digging depth (mm) | 3040 | 3505 | |
S Max. digging depth for 2.5m horizontal plane (mm) | 3440 | 3680 | |
T Max. digging reach (mm) | 6170 | 6330 | |
U Max.digging reach at ground level (mm) | 6045 | 6180 | |
V Min. swing radius (mm) | 2380 | 1795 | |
W Max. height at min swing radius (mm) | 4395 | 5500 | |
X Distance from swing center to rear (mm) | 1700 | 1755 | |
Z Height of counterweight (mm) | 1685(机罩) | 1725 | |
A1 Grounding length (in transportation) (mm) | 3370 | 3700 | |
Arm length (mm) | 1630 | 1650 | |
Boom length (mm) | 3000 | 3710 |