Project Description

Overview

When we set out to design our new hydraulic excavators, we kept our eyes on the big picture. Of course we wanted machines with greater digging capacity. But they also had to be fuel-efficient and economical, while imposing less of a burden on the local and global environments. Applying our advanced technologies, we developed KOBELCO’s new ACERA GEOSPEC series, an entirely new kind of excavator that beautifully balances all the demands of today’s construction industry. Lean and efficient with capacity to spare, these sleek powerhouses bring a whole new style to the worksite while setting new standards for environmental responsibility.

Specifications

Arm length ME
2.4m
Short
3.0m
Standard
3.45m
Long
4.9m
A Overall length 11,620 12,080 12,030 12,090
B Overall height (to top of boom) 4,260 3,800 3,570 4,410
C Overall width SK460 3,550 (width 800 mm shoes)
SK480LC 3,550 (width 800 mm shoes)
D Overall height (to top of cab) 3,310 3,310 3,310 3,310
E Ground clearance of rear end* 1,340 1,340 1,340 1,340
F Ground clearance* 510 510 510 510
G Tail swing radius 3,670 3,670 3,670 3,670
G’ Distance from center of swing to rear end 3,670 3,670 3,670 3,670
H Tumbler distance SK460 4,060 4,060 4,060 4,060
SK480LC 4,400 4,400 4,400 4,400
I Overall length of crawler SK460 5,110 5,110 5,110 5,110
SK480LC 5,450 5,450 5,450 5,450
J Track gauge 2,750 2,750 2,750 2,750
K Shoe width 600 / 800 / 900
L Overall width of upperstructure 3,000 3,000 3,000 3,000
Model HINO P11C
Type Direct injection, water-cooled, 4-cycle diesel engine with turbocharger, intercooler (Complies with EU (NRMM) Stage IIIA, US EPA Tier III, and act on regulation, etc. of emissions from non-road special motor vehicles (Japan))
Rated power output kW/min-1{rpm} 257 {350} / 1,850 (ISO14396: 2002)
243 {333} / 1,850 (ISO9249: 2007)*
Hydraulic capacity L System 555 / Tank Level 300
Pump Type Two variable displacement pumps + 1 gear pump
Max.Discharge flow L/min 2 x 370 , 1 x 30
Swing speed min-1{rpm} 7.8 {7.8}
Travel Speed km/h 5.4 / 3.4
Drawbar pulling force kN{tf} 417 {42.5} (ISO 7464)
Gradeability % ( º ) 70 (35)
Track shoes Triple grouser shoe
Track shoe mm 600 / 800 / 900
Travel motors 2 x axial-piston, two-step motors
Fuel Tank L 650
Operating Weight kg 46,400 – 48,300 47,300 – 49,400
Boom length 6.3m 7.0m
Range / Arm ME
2.4 m
Short
3.0 m
Standard
3.45 m
Long
4.9 m
a Max. digging reach 10.88 11.77 12.07 13.48
b Max. digging reach at ground level 10.63 11.54 11.84 13.28
c Max. digging depth 6.48 7.36 7.81 9.26
d Max. digging height 10.49 11.16 10.93 11.70
e Max. dumping clearance 6.91 7.72 7.58 8.29
f Min. dumping clearance 3.11 3.22 2.77 1.32
g Max. vertical wall digging depth 4.00 6.68 7.12 8.41
h Min. swing radius 4.75 5.27 5.14 5.30
i Horizontal digging stroke at ground level 3.59 5.21 6.10 8.28
j Digging depth for 2.4m(8′)flat bottom 6.31 7.21 7.67 9.15
Bucket capacity ISO heaped m3 3.4 2.1 1.9 1.35
Arm length ME 2.4 m Short 3.0 m Standard 3.45 m Long 4.9 m
Bucket digging force 279 {28.0}
305 {31.1}*
266 {27.1}
291 {29.7}*
267 {27.2}
292 {29.8}*
263 {26.8}
288 {29.4}*
Arm crowding force 247 {25.2}
270 {27.5}*
223 {22.8}
244 {24.9}*
203 {20.7}
222 {22.7}*
157 {16.0}
172 {17.6}*

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