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S
pecifications
Engine
Model
Cummins QSL
Water cooled, 4 cycle Diesel,
6-Cylinders in line, direct injection,
Type
turbocharged, charger air coolerd
low emission
J1995 (gross)
296 HP (221 kW) at 1,850 rpm
Rated
SAE
J1349 (net)
271 HP (202 kW) at 1,850 rpm
flywheel
horse
6271/1 (gross)
300 PS (221 kW) at 1,850 rpm
DIN
power
6271/1 (net)
275 PS (202 kW) at 1,850 rpm
Max. torque
138.3 kgf m(1000 lbf ft) at 1,400 rpm
Bore x stroke
114 x 144.5 mm (4.5" x 5.3")
Piston
8,900 cc (540 cu in)
Batteries
2 x 12 V x 160 AH
Starting motor
24 V, 7.5kW
24V, 50 Amp
Alternator
Hydraulic system
Main pump
Type
Two variable displacement piston pumps
Max. flow
2 288 /min (76.6 US gpm / 63.8 UK gpm)
Sub-pump for pilot circuit
Gear pump
Cross-sensing and fuel saving pump system
Hydraulic motors
Two speed axial piston motor
Travel
with brake valve and parking brake
Swing
Axial piston motor with automatic brake
Relief valve setting
330 kgf/cm
2
(4,690 psi)
Implement circuits
Travel
360 kgf/cm
2
(4,765 psi)
Power boost (boom, arm, bucket)
360 kgf/cm
2
(5,120 psi)
Swing circuit
260 kgf/cm
2
(3,700 psi)
Pilot circuit
35 kgf/cm
2
(500 psi)
Service valve
Installed
Hydraulic cylinders
Boom:
2-160 110 1,500 mm (6.3" 4.2" 59.1")
No. of cylinder-
Arm:
1-170 120 1,760 mm (6.7" 4.7" 69.3")
bore x rod x stroke
Bucket:
1-150 105 1,295 mm (5.9" 4.1" 51.0")
Drives & Brakes
Drive method
Fully hydrostatic type
Drive motor
Axial piston motor, in-shoe design
Reduction system
Planetary reduction gear
Max. drawbar pull
31,000 kgf (68,350 lbf)
Max. travel speed(high) / (low)
4.8 km/hr (2.8 mph) / 3.0 km/hr (2.0 mph)
Gradeability
35 (70 %)
Parking brake
Multi wet disc
Control
Pilot pressure operated joysticks and pedals with detachable lever
provide almost effortless and fatigueless operation.
Two joysticks with one safety lever
Pilot control
(LH): Swing and arm, (RH): Boom and bucket(ISO)
Traveling and steering
Two levers with pedals
Engine throttle
Electric, Dial type
External lights
Two lights mounted on the boom one under the battery box
Swing system
Swing motor
Axial piston motor
Swing reduction
Planetary gear reduction
Swing circuit lubrication
Grease-bathed
Swing brake
Multi wet disc
Swing speed
9.0 rpm
Coolant & Lubricant capacity
(refilling)
liter
US gal
UK gal
Fuel tank
520
137.4
114.4
45.0
11.9
9.9
Engine coolant
Engine oil
31.7
8.4
7.0
Swing device
8.0
1.6
1.3
Final drive(each)
5.5
1.8
1.5
Hydraulic system
380
100.4
83.6
Hydraulic tank
230
60.8
50.6
Undercarriage
X-leg type center frame is integrally welded with reinforced box-
section track frames. The undercarriage includes lubricate rollers,
idlers, track adjusters with shock absorbing spring and sprockets,
and track chain with double or triple grouser shoes.
Center frame
X - leg type
Track frame
Pentagonal box type
No. of shoes on each side
51
No. of carrier roller on each side
2
9
No. of track roller on each side
No. of track guard on each side
2
Operating weight (approximate)
Operating weight, including 6,500m (21' 4") boom, 3,200 m (10' 6") arm,
SAE heaped 1.62 m
3
(2.12 yd
3
) backhoebucket, lubricant, coolant.
Major component weight
Upperstructure
8,500 kg (18,740 lb)
Counterweight
6,500 kg (14,330 lb)
Boom (with arm cylinder)
3,780 kg (8,330 lb)
Operating weight
Shoes(Triple grouser)
Operating weight
Ground pressure
mm(in)
kg(lb)
kgf/cm
2
(psi)
600(24)
36,100(79,590)
0.64(9.10)
36,500(80,600)
0.56(7.96)
700(28)
36,725(81,000)
0.52(7.39)
750(30)
36,950(81,500)
0.49(6.97)
800(32)
900(36)
37,400(82,500)
0.44(6.26)
Standard equipment
B
ackhoe attachment
Buckets
SAE heaped
m
3
(yd
3
)
1.15(1.50)
1.62 (2.12)
1.86(2.43)
1.46(1.91)
Width mm (in)
Capacity m
3
(yd
3
)
Without
SAE heaped
CECE heaped
With side cutters
side cutters
1.15(1.50)
1.00(1.31)
1,090(42.9)
1,220(48.0)
1.46(1.91)
1.27(1.66)
1,380(54.3)
1,510(59.4)
1.62(2.12)
1.40(1.83)
1,440(56.7)
1,570(61.8)
1.86(2.43)
1.60(2.1)
1,620(63.8)
1,750(68.9)
2.10(2.75)
1.80(2.4)
1,810(71.3)
1,940(76.4)
2.32(3.03)
2.00(2.62)
1,990(78.3)
2,120(83.5)
1.62(2.12)
1.40(1.83)
1,540(60.6)
-
1.44(1.88)
1.27(1.66)
1280(50.4)
-
1.62(2.12)
1.40(1.83)
1,545(60.8)
-
1.86(2.43)
1.60(2.1)
1,725(67.9)
-
: Standard backhoe bucket
: Heavy-duty
: Rock bucket-Heavy duty
Backhoe attachmet
Boom and arms are of all-welded, low-stress, full-box section design. 6,500mm(21' 4") 6,150mm(20'2"), 8,600(28'3")boom and 2,500mm(8' 2"), 3,200mm(6' 7"),
3,900mm(12' 10"), 4,300mm(14'1") 5,100mm(16'9")arms are available. Buckets are all-welded, high-strength steel implements.
2,500mm (8' 2")
Digging force
Length
mm(ft.in)
2,500 (8' 2")
Arm
Weight
kg(lb)
1,930 (4,260)
1,960 (4,320)
kN
201.0 [219.3]
SAE
kgf
20500 [22360]
Bucket
lbf
45190[49300]
digging
kN
228.5 [249.3]
force
ISO
kgf
23300 [25420]
lbf
51370 [56040]
kN
184.4 [201.1]
SAE
kgf
18800 [20510]
Arm
lbf
41450 [45220]
crowd
kN
192.2 [209.7]
force
ISO
kgf
19600 [21380]
lbf
43210 [47140]
Note : Arm weight including bucket cylinder and linkage.
Standard arm
2.10 (2.75)
1.62(2.12)
1.86(2.43)
2.32(3.03)
1.44(1.88)
1.62 (2.12)
Recommendation mm(ft.in)
Boom
6,500 (21' 4")
6,150 (20' 2") 8,600 (28' 3")
Weight kg(lb)
2,500
3,200
3,900
4,300
Arm
(8' 2")
(12' 10")
(14' 1")
(10' 6")
1,030(2,270)
1,170(2,580)
1,280(2,820)
1,390(3,060)
1,520(3,350)
1,760(3,880)
1,570(3,460)
1,565(3,450)
1,610(3,550)
1,710(3,770)
: Applicable for materials with density of 2,000 kg / m
: Applicable for materials with density of 1,600 kg / m
: Applicable for materials with density of 1,100 kg / m
3,200mm (10' 6")
3,900mm (12' 10")
4,300mm (14' 1")
5,100mm (16' 9")
3,200 (10' 6")
3,900 (12' 10")
4,300 (14' 1")
2,170 (4,780)
2,290 (5,050)
201.0 [219.3]
201.0 [219.3]
201.0 [219.3]
20500 [22360]
20500 [22360]
20500 [22360]
45190 [49300]
45190 [49300]
45190 [49300]
228.5 [249.3]
228.5 [249.3]
228.5 [249.3]
23300 [25420]
23300 [25420]
23300 [25420]
51370 [56040]
51370 [56040]
51370 [56040]
152.0 [165.8]
135.3 [147.6]
124.5 [135.9]
15500 [16910]
13800 [15050]
12700 [13850]
34170 [37280]
30420 [33190]
28000 [30550]
156.9 [171.2]
139.3 [151.9]
128.5 [140.1]
16000 [17450]
14200 [15490]
13100 [14290]
35270 [38480]
31310 [34160]
28880 [31510]
HYUNDAI CONSTRUCTION EQUIPMENT 12 /
2,500
5,100
(8' 2")
(16' 9")
3
(3,370 lb/ yd
3
) or less
3
(2,700 lb/ yd
3
) or less
3
(1,850 lb/ yd
3
) or less
Remark
[
]:
Power Boost
13
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