The 6ton excavators are compact, designed for maneuverability in confined spaces like urban sites, backyards, or indoors, they offer impressive digging power relative to their size. Key features include a rotating upper structure (cab and boom), rubber or steel tracks for stability with minimal ground damage, and often a zero tail swing (ZTS) design to avoid hitting obstacles when rotating. Their hydraulic arms can be fitted with various attachments (buckets, augers, breakers, grapples) for diverse tasks including trenching, landscaping, material handling, demolition, and utility work. Operators value their efficiency, ease of transport, reduced environmental impact (lower noise/fuel consumption), and ability to work where larger excavators cannot. They are essential tools for residential construction, landscaping, and light industrial projects.
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 | 1725 | |
A1 Grounding length (in transportation) (mm) | 3370 | 3700 | |
Arm length (mm) | 1630 | 1650 | |
Boom length (mm) | 3000 | 3710 |