NK270

 

Engine
Model Cummins B5.9-C(EU Stage )
Type 6 cylinders; turbocharged; driect injection,water cooled
No. of cylinder 6
Bore and stroke 102mm×120mm
Displacement 5.9L
Power output 133kw (178hp)/2000 Rpm
Max. torque 708N.m/1500 Rpm
Travel System
Travel motors JEIL, Korea; 2×Axial Piston
Travel brakes Hydraulic disc brake
Parking brakes Oil disc brake per motor
Travel shoes 2×49
Travel speed 2.5/4.5 km/h
Drawbar pulling force 245 KN
Gradeablity 70% (35°)
Ground clearance 495 mm
Hydraulic System
Pump Kawasaki, Japan
Type 2 variable displacement pumps +1 gear pump
Max. discharge flow 2×208L/Min
Max. discharge pressure
Boom,arm and bucket 31.9 Mpa
Travel circuit 31.9 Mpa
Swing circuit 25.5 Mpa
Control circuit 3.9 Mpa
Pilot control pump Gear type
Main control valves 8-spool
Oil cooler Air cooled type
Cab Controls
Cab All-weather,sound-suppressed  Cab  and equipped with a heavy, insulated Floor Mat, Front  Window  can  be  opened  and  slided; 6-direction  adjustable  Seat;  LED  display, Automatic monitoring, display and warning; cool & hot Air Conditioner
Control Two hand levers and two foot pedals for travel; Two hand levers for excavating and swing; Electric rotary-type engine throttle
Boom, Arm Bucket
Boom cylinder 140mm×95mm×1155mm
Arm cylinder 145mm×105mm×1588mm
Bucket cylinder 140mm×95mm×1155mm
Swing System
Swing motor Kawasaki, Japan
Swing motor type Axial-piston motor
Brake Hydraulic oil released
Parking brake Hydraulic disc brake
Swing speed 10.5 Rpm
Tail swing radius 3086mm
Min. front swing radius 3983.5 mm

Refilling Capacities&lubrications
Fuel tank 360 L
Cooling system 25 L
Engine oil 20 L
Travel reduction gear 2×4.3 L
Swing reduction gear 4.4 L

Hydraulic oil tank

 230 L    Tank oil level
420 L   Hydraulic system
Bucket
Use Backhoe bucket
Bucket  capacity M3 1.35 M3
Opening width or With side cutters 1336 mm
X-section Without side cutters 1322 mm
No. of bucket teeth 5
Bucket weight 1099 KG
Working ranges
Arm length 3.0 M
A Max. digging reach 10378 mm
B Max. digging reach at ground level 10210 mm
C Max. digging depth 7025 mm
D Max. digging height 9848 mm
E Max. dumping height 7005 mm
F Max. vertical wall digging depth 6661 mm
G Min. swing radius 3983.5 mm
H Digging depth for 2.4m flat bottom 6848 mm
I Bucket capacity SAE heaped 1.35M3
Digging Force (ISO6015)
Range Parameters
A Arm length 3.0 M
B Bucket digging force 138 KN
C Arm crowding force 112 KN
Overall  Dimensions
Arm length 3.0 M Arm length 3.0 M
A Overall length 10038 mm G Tail swing radius 3086 mm
B Overall height (to top of boom) 3463 mm H Tumbler distance 3830 mm
C Overall width 3200 mm I Overall length of crawler 4746.5 mm
D Overall height (to top of cab) 3048 mm J Track gauge 2600 mm
E Ground clearance of rear end 1186 mm K Shoe width 600 mm
F Ground clearance 495 mm L Overall width of upperstructure 2800 mm
Operating Weight and Ground Pressure
Operating weight includes basic machine (with Boom 5.9M, Arm 3M, and Bucket 1.35 M3)
Shoe width 600 mm
Overall width 3200 mm
Ground pressure 52.7 Kpa
Operating weight 27200 KG

Notice: Only after getting the permission of our company that the optional or special parts
can be installed on the machine. 

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