КОМATSU
MOTOR GRADER GD705A-4
WITH
4320 MM. BLADE
11-SHANKS SCARIFIER
3-SHANKS RIPPER
STEEL CAB
HEATER & DEFROSTER
FOR -30C - + 40 C
KOMATSU GD705A-4
( WITH HYDROSHIFT TRANSMISSION, ARTICULATED TYPE)
Specification
OPERATING WEIGHR: (APPROXIMATE)
Includes full fuel tank, lubricants, coolant, hydraulic equipments, operator, 4320mm blade
and 16.00-24-16PR traction-type tires.
On front wheels 4885 kg
On rear wheels 12735 kg
Total weight 17620 kg
DIMESIONS
Overall length 9270 mm
Overall width 2800 mm
Overall length 3365 mm
Wheel base 6450 mm
Distance between centers of tandem wheels 1730 mm
TREAD
Front 2300 mm
Rear 2300 mm
Ground clearance 410 mm
PERFORMANCE
Travel speed
Forward
1-st 3.9 km/h
2-nd 5.2 km/h
3-rd 7.6 km/h
4-th 11.0 km/h
5-th 15.2 km/h
6-th 20.5 km./h
7-th 30.0 km/h
8-th 43.0 km/h
REVERSE
1- 4.1 km/h
2- 5.6 km/h
3-rd 8.1 km/h
4-th 11.7km/h
5-th 16.2km/h
6-th 21.8 km/h
7-th 31.9 km/h
8-th 45.9 km/h
Max. Drawbar pull 10180 kg
Overturn angle 35 '
ENGINE:
Model KOMATSU S6D125
Type Water cooled, 4-cycle, overhead valve, direct injection type diesel engine with turbocharged
No. of cylinders – bore x stroke 6 – 125mm Х 150 mm
Piston displacement 11.05 ltr
Performance:
Rated RPM 2000 RPM
Flywheel horsepower 200 HP (149 kW)
Max. torque 90.5 kg.m (655 IB.FT/887 Nm . at engine 1300RPM
Fuel system:
Fuiel Diesel gas oil, ASTM Specification D975-60T No. 2D
Governor Mechanical, all speed control
Lubrication system
Lubricating method Gear pump, forced lubrication
Filter Full-flow type
Oil cooler Water cooled
Air cleaner Dry type with automatic dust evacuator and dust indicator.
Cooling system Forced circulation by centfifugal water pump, pusher type fan.
Starting system
Type Electric starting motor
Starting motor 24 V, 11 KW
Alternator 24 V, 50 A.
Battery 24 V, (12 V Х 2) -200 Ah
TRANSMISSION:
Type Planetary gear and multiple disc cluth hydraulically actuated, forced lubrication
Gear shift 8 forward and , 8 rear speeds
FINAL DRIVE Spur gear and spiral bevel gear double reduction with No-spin differential.
REAR AXLE Full floating, forged heat-treated steel
TANDEM DRIVE Roller chain drive
FRONT AXLE:
Type
Reverse elliot type, hydraulic leaning
Max. Leaning angle 23.5 ‘ left or right
Clerance 630 mm
Oscillates 13 ‘left or right
WHEELS:
Front wheel:
Tire 2 X 16.00-24-16 TB (G-2) traction-type
Rim 10.00 VA X 24 SDC
Inflation pressure 2.2 kg / cm ² (216 kРа)
Rear wheel:
Tire4 X 16.00-24-16 TB (G-2) traction-type
Rim10.00VA x 24 SDC
Inflation pressure 2.2 kg/cm2 (216 PSI)
STEERING:
Type Full hydraulic power steering
Steering angle 50 ‘ left or right
Frame- hydraulically actuated steering 26’ left or right
Minimum turning radius 7.5 m
BRAKES:
Service brake Air actuated oil disc brakes on 4 rear wheels, (Sealed and adjustment-free)
Parking brake Mechanical, internal expanding actuated on transmission output shaft
FRAME:
Main frame Box – section, steel plate, welded construction
Section (width x height) 280 mm Х 360 mm
Rear frame Two box-section, steel plate, welded construction.
DRAWBAR
Type А-shaped, welded construction
Section (height x thickness) 220 mm X 19 mm
CIRCLE:
Type Internal gear
Outside diameter 1550 mm
Turning angle 360 ‘
Circle rotation control Hydraulic type
POWER CONTROL UNIT:
Type Hydraulically controlled, 8-spool type control valve with safety valve
HYDRAULIC CONTROL UNIT:
Hydraulic pump 3 gear pump
Max. oil pressure 175 kg/cm²
Capacity (discharge flow): 50+50 ltr / min1 x 50 ltr min at engine 2000 RPM
Oil motor:
Type Orbit type
Capacity 150.2 ltr/min
Output horsepower 58.5PS (43KW)
MOLDBOARD:
Type Wear-resistant steel, with box-section reinforcement with hydraulic sideshift and tip
Lenght x height x thickness 4320 mm Х 700 mm Х 25 mm
Number of cutting edges – length x height x thckness2- 2134 mm Х 203 mm Х 16 mm
Cutting edge bolt diameter 19.05 mm (3/4)
Blade load 8875 kg
Blade base 2900 mm
BLADE RANGE:
Max. lift above ground 435 mm
Max. drop below ground 450 mm
Max. shoulder reach:
Left 2320 mm
Rifht 2350 mm
Max. Bank cutting angle 90’
Cutting angle:
Max. 84 ‘
Min. 26 ‘
Hydraulic blade tip 45’ forward, 7’ backward
SERVICE CAPACITY:
Specified Refield
Cooling water 55 ltr 45 ltr
Fuel tank 400 ltr 400 ltr
Engine 30 ltr 24 ltr
Transmission 48 ltr 24 ltr
Tandem drive case, (each) 105 ltr 105 ltr
Final drive 40 ltr 32 ltr
Hydraulic oil 120 ltr 60 ltr
KOMATSU GD705A-4 SCARIFIER
(STANDART AND POINT TOOTH)
SPECIFICATION
STD : STANDART
(POINT )
POINT: POINT TOOTH
ADDITION TO WEIGHTS:
To operation weight (1040 kg 1050 kg
To front axle: (STD) (POINT) 880 kg 890 kg
To rear axle (STD, POINT) 160 kg
SPECIFICATIONS OF SCARIFIER:
Type V-type, 2-stage adjustable
No. Of teeth 11
As-installed height x width x 265 mm Х 77 mm Х 25 mm
thickness (STD) 185 mm Х 50 mm Х 36 mm
(POINT) 1325 mm
Digging width (STD) 1350 mm
(POINT) 445 mm
Max. digging depth (STD) 430 mm
(POINT)) 570 mm
Max. lift above ground (STD) 555 mm
(POINT) 1000 mm
Scarifier base (STD) 945 mm
(POINT) 6690 kg
Scarifier load (STD) 6630 kg
(POINT)
Cutting angle 66.5’
Standard cutting angle (STD) 56.0’
(POINT) 67.5’
Max. cutting angle (STD) 63.0’
(POINT) 54.0’
Min. cutting angle (STD) 49.0’
(POINT)
Control unit Controlled with hydraulic cylinder
Weight (STD) 1040 kg
(POINT) 1050 kg
HYDRAULIC CONTROL UNIT
Hydraulic cylinder:
Type Double acting, piston type
No. Of cylinder – bore 1-90 mm
KOMATSU GD705А-4 REAR MOUNTED RIPPER
SPECIFICATIONS مشخصات
Dimansion when installed (Other items are same)
Overall length 10685 mm
ADDITION TO WEIGHTS:
To operation weight 2080 kg
To front axle 180 kg
To rear axle 1900 kg
RIPPER EQUIPMENT:
Type Parallelogram type
Weight 1410 kg
Beem length 2740 kg
Shank:
No. of shanks 3 (Can accommodate up to 7 shanks)
Tooth point Replaceble
Pitch ( 3 shanks) 1275 mm
( 7 shanks) 425 mm
Max. digging depth 380 mm
Max. lift above ground 600 mm
Max. digging width 2610 mm
Ripper base 3000 mm
Cutting angle 38’
HYDRAULIC CONTROL UNIT:
Weight 165 kg
Max. oil pressure 175 kg/cm2
Hydraulic pump:
Type Gear pump
Capacity 105 ltr /min at engine 2000 RPM.
Hydraulic cylinder:
No. Of cylinder – bore 1 – 140 mm
WHEELS:
Front wheels & Rear wheels:: 16.00-24-16 TB G2
Tire 10.00 VA х 24 SDC
Rim 2.2 kg/cm²
Inflation pressure
PUSHER PLATE: 805 kg
Weight
KOMATSU GD705А-4 STEEL CAB (TYPE B)
Specifications مشخصات
DIMANSION WHEN INSTALLED (Other items are same)
Overal height 3410 mm
ADDITION TO WEIGHTS:
To operating weight 350 kg
To front axle 40 kg
To rear axle 310 kg
SPECIFICATIONS OF STEEL CAB:
Type Steel framework equipped with doors, glass windows.
Lenght 1540 mm
Width 1715 mm
Height 1905 mm
Weight 350 kg
نظرات شما عزیزان: