Specifications

ENGINE SWING SYSTEM

MODEL Cummins QSB6.7 Swing motor Fixed displacement axial pistons motor
Water-cooled, 4-cycle Diesel, Swing reduction Planetary gear reduction
6-cylinder in-line, Direct injection, Swing bearing lubrication Grease-bathed
Type
Turbocharged, Charge air cooled, Swing brake Multi wet disc
Low emission Swing speed 11.6 rpm
J1995(gross) 188 HP (140 kW)/ 1,900 rpm
Rated SAE
J1349 (net) 178 HP (132 kW)/ 1,900 rpm
flywheel
6271/1 (gross) 191 PS (140 kW)/ 1,900 rpm
COOLANT & LUBRICANT CAPACITY
horse power DIN Re-filling liter US gal UK gal
6271/1 (net) 180 PS (132 kW)/ 1,900 rpm
Max. torque 82.5 kgf.m(597 lbf.ft)/ 1,500 rpm Fuel tank 400 105.7 88.0
Bore X stroke 107 x 124 mm (4.21” x 4.88”) Engine coolant 40 10.6 8.8
Piston displacement 6,700cc (408 in3) Engine oil 23.1 6.1 5.1
Batteries 2 X 12V X 100AH Swing device 6 1.6 1.3
Starting motor 24V, 4.8kW Final drive (each) 6 1.6 1.3
Alternator 24V, 95Amp Hydraulic system (including tank) 285 75.3 62.7
Hydraulic tank 165 43.6 36.3

HYDRAULIC SYSTEM
MAIN PUMP UNDERCARRIAGE
Type Variable displacement tandem-axial piston pumps The X-leg type center frame is integrally welded with reinforced box-section track
Max. flow 2 X 222 L /min (58.6 US gpm / 48.8 UK gpm) frames. The undercarriage includes lubricated rollers, idlers, track adjusters with shock
Sub-pump for pilot circuit Gear pump absorbing springs and sprockets, and a track chain with double or triple grouser shoes.
Cross-sensing and fuel saving pump system Center frame X - leg type
HYDRAULIC MOTORS Track frame Pentagonal box type
Two-speed axial pistons motor No. of shoes on each side 51
Travel
with brake valve and parking brake No. of carrier rollers on each side 2
Swing Axial piston motor with automatic brake No. of track rollers on each side 9

RELIEF VALVE SETTING No. of rail guards on each side 2

Implement circuits 350 kgf/cm2 (4,978 psi)
Travel 350 kgf/cm2 (4,978 psi) OPERATING WEIGHT (APPROXIMATE)
Power boost (boom, arm, bucket) 380 kgf/cm2 (5,404 psi)
Operating weight, including 5,850mm (19’ 2”) boom, 3,050mm (10’ 0”) arm, SAE
Swing circuit 300 kgf/cm2 (4,409 psi)
heaped 1.08m3 (1.41 yd3) bucket, lubricant, coolant, full fuel tank, full hydraulic tank,
Pilot circuit 40 kgf/cm2 (568 psi)
and all standard equipments.
Service valve Installed
MAJOR COMPONENT WEIGHT
HYDRAULIC CYLINDERS
Upperstructure 5,520 kg (12,170 lb)
Boom: 2-135 X1,345 mm (5.3”X 52.9”)
No. of cylinder Boom (with arm cylinder) 2,460 kg (5,420 lb)
Arm: 1-145 X 1,620 mm (5.7” X 63.8”)
bore X stroke Arm (with bucket cylinder) 1,540 kg (3,400 lb)
Bucket: 1-130 X 1,185 mm (5.1” X 46.7”)
OPERATING WEIGHT
Shoes Operating weight Ground pressure
DRIVES & BRAKES Type Width mm (in) kg (lb) kgf/cm2 (psi)
Drive method Fully hydrostatic type R260LC-9A 25,200(55,560) 0.51(7.25)
600 mm (24”)
Drive motor Axial piston motor, in-shoe design R260LC-9A H/W 27,450(60,520) 0.53(7.54)
Reduction system Planetary reduction gear R260LC-9A 25,500(56,220) 0.44(6.26)
Triple 700 mm (28”)
Max. drawbar pull 21,600 kgf (47,600 lbf) R260LC-9A H/W 28,020(61,770) 0.46(6.54)
grouser
Max. travel speed (high / low) 5.6 km/hr (3.5 mph) / 3.3 km/hr (2.0 mph) R260LC-9A 25,800(56,880) 0.39(5.55)
800 mm (32”)
Gradeability 35o (70 %) R260LC-9A H/W 28,400(62,610) 0.41(5.83)
Parking brake Multi wet disc 900 mm (36”) R260LC-9A 26,100(57,540) 0.35(4.98)
Double grouser 700 mm (28”) R260LC-9A H/W 28,620(63,100) 0.47(6.68)

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