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Specifications Backhoe attachment
Engine
Water cooled, 4 cycle Diesel,
6-Cylinders in line, direct injection,
turbocharged, charger air coolerd
low emission
296 HP (221 kW) at 1,850 rpm
271 HP (202 kW) at 1,850 rpm
300 PS (221 kW) at 1,850 rpm
275 PS (202 kW) at 1,850 rpm
138.3 kgfᴌm(1000 lbfᴌft) at 1,400 rpm
114 x 144.5 mm (4.5” x 5.3”)
8,900 cc (540 cu in)
2 x 12 V x 160 AH
24 V, 7.5kW
24V, 50 Amp
Type
Rated
flywheel
horse
power
Max. torque
Bore x stroke
Piston
Batteries
Starting motor
Alternator
J1995 (gross)
J1349 (net)
6271/1 (gross)
6271/1 (net)
SAE
DIN
Buckets
Backhoe attachmet
Model Cummins QSL
Swing system
Swing motor
Swing reduction
Swing circuit lubrication
Swing brake
Swing speed
Axial piston motor
Planetary gear reduction
Grease-bathed
Multi wet disc
9.0 rpm
Coolant & Lubricant capacity
(refilling)
Fuel tank
Engine coolant
Engine oil
Swing device
Final drive(each)
Hydraulic system
Hydraulic tank
liter
520
45.0
31.7
8.0
5.5
380
230
US gal
137.4
11.9
8.4
1.6
1.8
100.4
60.8
UK gal
114.4
9.9
7.0
1.3
1.5
83.6
50.6
Undercarriage
Center frame
Track frame
No. of shoes on each side
No. of carrier roller on each side
No. of track roller on each side
No. of track guard on each side
X - leg type
Pentagonal box type
51
2
9
2
Drives & Brakes
Drive method
Drive motor
Reduction system
Max. drawbar pull
Max. travel speed(high) / (low)
Gradeability
Parking brake
Pilot pressure operated joysticks and pedals with detachable lever
provide almost effortless and fatigueless operation.
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.
Operating weight (approximate)
Major component weight
8,500 kg (18,740 lb)
6,500 kg (14,330 lb)
3,780 kg (8,330 lb)
Upperstructure
Counterweight
Boom (with arm cylinder)
Shoes(Triple grouser) Operating weight Ground pressure
mm(in) kg(lb) kgf/cm
2
(psi)
ᵀ 600(24)
700(28)
750(30)
800(32)
900(36)
36,100(79,590)
36,500(80,600)
36,725(81,000)
36,950(81,500)
37,400(82,500)
0.64(9.10)
0.56(7.96)
0.52(7.39)
0.49(6.97)
0.44(6.26)
Operating weight
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.
Hydraulic system
Two variable displacement piston pumps
2ᴧ288ὀ/min (76.6 US gpm / 63.8 UK gpm)
Gear pump
Two speed axial piston motor
with brake valve and parking brake
Axial piston motor with automatic brake
330 kgf/cm
2
(4,690 psi)
360 kgf/cm
2
(4,765 psi)
360 kgf/cm
2
(5,120 psi)
260 kgf/cm
2
(3,700 psi)
35 kgf/cm
2
(500 psi)
Installed
Boom: 2-160ᴧ110ᴧ1,500 mm (6.3
”
ᴧ4.2
”
ᴧ59.1
”
)
Arm: 1-170ᴧ120ᴧ1,760 mm (6.7
”
ᴧ4.7
”
ᴧ69.3
”
)
Bucket: 1-150ᴧ105ᴧ1,295 mm (5.9
”
ᴧ4.1
”
ᴧ51.0
”
)
Type
Max. flow
Sub-pump for pilot circuit
Cross-sensing and fuel saving pump system
Travel
Swing
Implement circuits
Travel
Power boost (boom, arm, bucket)
Swing circuit
Pilot circuit
Service valve
No. of cylinder-
bore x rod x stroke
Main pump
Hydraulic motors
Relief valve setting
Hydraulic cylinders
Fully hydrostatic type
Axial piston motor, in-shoe design
Planetary reduction gear
31,000 kgf (68,350 lbf)
4.8 km/hr (2.8 mph) / 3.0 km/hr (2.0 mph)
35ᴋ(70 %)
Multi wet disc
Traveling and steering
Engine throttle
External lights
Pilot control
Two joysticks with one safety lever
(LH): Swing and arm, (RH): Boom and bucket(ISO)
Two levers with pedals
Electric, Dial type
Two lights mounted on the boom one under the battery box
Control
ᵀStandard equipment
SAE heaped
m
3
(yd
3
)
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.
4,300 (14’ 1”)
2,290 (5,050)
3,900 (12’ 10”)
2,170 (4,780)
ᵀ3,200 (10’ 6”)
1,960 (4,320)
2,500 (8’ 2”)
1,930 (4,260)
Bucket
digging
force
Arm
crowd
force
201.0 [219.3]
20500 [22360]
45190 [49300]
201.0 [219.3]
20500 [22360]
45190 [49300]
201.0 [219.3]
20500 [22360]
45190 [49300]
201.0 [219.3]
20500 [22360]
45190[49300]
228.5 [249.3]
23300 [25420]
51370 [56040]
228.5 [249.3]
23300 [25420]
51370 [56040]
228.5 [249.3]
23300 [25420]
51370 [56040]
228.5 [249.3]
23300 [25420]
51370 [56040]
124.5 [135.9]
12700 [13850]
28000 [30550]
135.3 [147.6]
13800 [15050]
30420 [33190]
152.0 [165.8]
15500 [16910]
34170 [37280]
184.4 [201.1]
18800 [20510]
41450 [45220]
128.5 [140.1]
13100 [14290]
28880 [31510]
139.3 [151.9]
14200 [15490]
31310 [34160]
156.9 [171.2]
16000 [17450]
35270 [38480]
192.2 [209.7]
19600 [21380]
43210 [47140]
Note : Arm weight including bucket cylinder and linkage. ᵀStandard arm
Arm
Length
Weight
mm(ft.in)
kg(lb)
kN
kgf
lbf
kN
kgf
lbf
kN
kgf
lbf
kN
kgf
lbf
SAE
ISO
SAE
ISO
Digging force
Remark
[ ]:
Power Boost
1.15(1.50)
1.46(1.91)
ᵀ1.62 (2.12)
1.86(2.43)
2.10 (2.75)
2.32(3.03)
ᶉ 1.62(2.12)
⍾ 1.44(1.88)
⍾ 1.62(2.12)
⍾ 1.86(2.43)
2,500mm (8’ 2”)
ᵀ3,200mm (10’ 6”)
3,900mm (12’ 10”)
4,300mm (14’ 1”)
5,100mm (16’ 9”)
SAE heaped
2,500
(8’ 2”)
2,500
(8’ 2”)
5,100
(16’ 9”)
ᵀ3,200
(10’ 6”)
3,900
(12’ 10”)
4,300
(14’ 1”)
Arm
Weight kg(lb)
Width mm (in)
Boom
CECE heaped
Without
side cutters
With side cutters
Capacity m
3
(yd
3
)
Recommendation mm(ft.in)
ᵀ: Standard backhoe bucket
ᶉ: Heavy-duty
⍾: Rock bucket-Heavy duty
ᵄ: Applicable for materials with density of 2,000 kg / m
3
(3,370 lb/ yd
3
) or less
ᵉ: Applicable for materials with density of 1,600 kg / m
3
(2,700 lb/ yd
3
) or less
ᵋ: Applicable for materials with density of 1,100 kg / m
3
(1,850 lb/ yd
3
) or less
ᵀ6,500 (21’ 4”)
6,150 (20’ 2”) 8,600 (28’ 3”)
1.15(1.50)
1.46(1.91)
ᵀ1.62(2.12)
1.86(2.43)
2.10(2.75)
2.32(3.03)
ᶉ 1.62(2.12)
⍾ 1.44(1.88)
⍾ 1.62(2.12)
⍾ 1.86(2.43)
1.00(1.31)
1.27(1.66)
1.40(1.83)
1.60(2.1)
1.80(2.4)
2.00(2.62)
1.40(1.83)
1.27(1.66)
1.40(1.83)
1.60(2.1)
1,090(42.9)
1,380(54.3)
1,440(56.7)
1,620(63.8)
1,810(71.3)
1,990(78.3)
1,540(60.6)
1280(50.4)
1,545(60.8)
1,725(67.9)
1,220(48.0)
1,510(59.4)
1,570(61.8)
1,750(68.9)
1,940(76.4)
2,120(83.5)
-
-
-
-
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)
ᵄ
ᵄ
ᵄ
ᵄ
ᵉ
ᵋ
ᵄ
ᵄ
ᵄ
ᵉ
ᵄ
ᵄ
ᵄ
ᵄ
ᵉ
ᵋ
ᵉ
ᵄ
ᵉ
ᵋ
ᵄ
ᵄ
ᵄ
ᵄ
ᵄ
ᵉ
ᵄ
ᵄ
ᵄ
ᵉ
ᵋ
ᵋ
M
M
M
M
M
M
M
M
ᵄ
ᵄ
ᵉ
ᵉ
ᵋ
ᵋ
ᵋ
ᵉ
ᵋ
M
ᵄ
ᵉ
ᵉ
ᵋ
M
M
ᵋ
ᵋ
ᵋ
M
HYUNDAI CONSTRUCTION EQUIPMENT 12 /
13