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R125LCR-9A CRAWLER EXCAVATOR0 pages
Specif ications R125LCR-9A
ENGINE
SWING SYSTEM
MODEL
PERKINS 1204E
Swing motor
Fixed displacement axial piston motor
Swing reduction
Planetary gear reduction
Type
Water cooled, 4 cycle Diesel, 4-cylinders
in line, direct injection, turbocharged,
charged air cooled and low emission
Swing bearing lubrication
Grease-bathed
Swing brake
Multi wet disc
Swing speed
12.6 rpm
Rated flywheel horse power
SAE
DIN
J1995 (gross)
100 HP (74.6 kW) / 1,950 rpm
J1349 (net)
92 HP (68.4 kW) / 1,950 rpm
6271/1 (gross)
101 PS (74.6 kW) / 1,950 rpm
6271/1 (net)
93 PS (68.4 kW) / 1,950 rpm
Max. torque
45.9 kgf.m (322 lbf.ft)/ 1,400 rpm
Bore x stroke
105 x 127 mm (4.1” x 5.0”)
Piston displacement
4,400 cc (268.5 in3)
Batteries
2 x 12 V x 100 Ah
Starting motor
24 V - 4.5 kW
Alternator
24 V - 85 A
* This engine meets the EPA (Tier 4 interim) / EU (Stage III-B) Emission regulation.
COOLANT & LUBRICANT CAPACITY
liter
US gal
UK gal
Fuel tank
210
61.3
51.0
Engine coolant
14.5
2.8
2.3
Engine oil
10.5
2.8
2.3
Swing device-gear oil
3.4
0.9
0.7
Final drive (each)-gear oil
2.5
0.7
0.5
Hydraulic system (including tank)
188
49.7
41.4
Hydraulic tank
79
20.9
17.4
UNDERCARRIAGE
HYDRAULIC SYSTEM
MAIN PUMP
The X-leg type center frame is integrally welded with reinforced box-section track
frames. The undercarriage includes lubricated rollers, idlers, track adjusters with shock
absorbing springs and sprockets, and a track chain with double or triple grouser shoes.
Type
Variable displacement tandem-axis
piston pumps
Center frame
X - leg type
Max. flow
2 x 135 ℓ/min (32.6 US gpm / 27.2 UK gpm)
Track frame
Pentagonal box type
Sub-pump for pilot circuit
Gear pump
No. of shoes on each side
43 EA
Cross-sensing and fuel saving pump system
No. of carrier rollers on each side
1 EA
HYDRAULIC MOTORS
No. of track rollers on each side
6 EA
No. of rail guards on each side
1 EA
Travel
Two-speed axial piston motor
with brake valve and parking brake
Swing
Axial piston motor with automatic brake
RELIEF VALVE SETTING
OPERATING WEIGHT (APPROXIMATE)
Operating weight, including 4,300 mm (14’ 1”) boom, 2,260 mm (7’ 5”) arm, SAE heaped 0.40 m3
(0.52 yd3) bucket, lubricant, coolant, full fuel tank, full hydraulic tank and all standard equipments.
Implement circuits
350 kgf/cm2 (4,980 psi)
Travel
350 kgf/cm2 (4,980 psi)
Power boost (boom, arm, bucket)
380 kgf/cm (5,410 psi)
Swing circuit
285 kgf/cm2 (4,050 psi)
Pilot circuit
40 kgf/cm2 (570 psi)
OPERATING WEIGHT
Service valve
Installed
Shoes
2
MAJOR COMPONENT WEIGHT
Upperstructure
6,950 kg (15,320 lb)
4.3 m (14’ 1”) mono boom (with arm cylinder)
950 kg (2,090 lb)
HYDRAULIC CYLINDERS
Boom: 2-105 x 1,105 mm (4.1” x 43.5”)
Arm: 1-115 x 1,138 mm (4.5” x 44.8”)
No. of cylinderbore x stroke
Operating weight
Type
Bucket: 1-100 x 840 mm (3.9” x 33.1”)
Blade: 2-100 x 250 mm (3.9” x 9.8”)
2PCboom
1st: 2-105 x 995 mm (4.1” x 39.2”)
2nd: 1-145 x 613 mm (5.7” x 24.1”)
Width mm (in)
500 (20”)
Triple
grouser
600 (24”)
700 (28”)
Ground pressure
kg (lb)
kgf/cm2 (psi)
R125LCR-9A
12,500 (27,560)
0.42 (5.91)
R125LCR-9A (Dozer type)
13,200 (29,100)
0.44 (6.24)
R125LCR-9A
12,650 (27,890)
0.35 (4.98)
R125LCR-9A (Dozer type)
13,350 (29,430)
0.37 (5.26)
R125LCR-9A
12,800 (28,220)
0.30 (4.27)
R125LCR-9A (Dozer type)
13,500 (29,760 )
0.32 (4.55)
DRIVES & BRAKES
Drive method
Fully hydrostatic type
Drive motor
Axial piston motor, in-shoe design
Reduction system
Planetary reduction gear
Max. drawbar pull
10,300 kgf (22,710 lbf)
Max. travel speed (high) / (low)
6.1 km/hr (3.8 mph) / 3.6 km/hr (2.2 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.
Pilot control
Two joysticks with one safety lever
(LH): Swing and arm
(RH): Boom and bucket (ISO)
Traveling and steering
Two levers with pedals
Engine throttle
Electric, Dial type
1
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