Main technical characteristic of hydraulic excavator NK370
○ Air-cooled diesel engine with Germany Deutz technology: environment protecting, power saving
○ Control system by total power for double pumps & circuits with reasonably distributing and using the power
○ The confluence of double pump, raising the working efficiency
○ The frequent-open swing, the walking brake
○ Independent oil-cooling system
○ Better reliability with hose and seal from Italy and Trelleborg cylinder seals
○ Case shape structure, attachment designed by CAD and the casting-welding structure realizing the high strength structure.
○ The high strength and high steel platform and the undercharge guaranteeing the powerful digging and walking
○ The multi-function meters of detection of the various pressure ,temperature and oil level to have sound-light alarm
○ Cab is provided with large tri-dimensional ventilation, fresh air circulation, large capacity air condition without fluorine
○ The operator’s cab with the wide vision field and the streamlined appearance, matching the decoration and function with human nature, and offering the working environment in a car.
○ Automatically injecting the fuel(Option)
|
Main Technology Data of Hydraulic Excavator NK370
No.
|
Item
|
Unit
|
Date
|
Face shovel
|
Backhoe
|
1
|
Machine weight
|
t
|
39
|
37
|
2
|
Bucket capacity
|
Standard
|
m 3
|
2.0
|
1.7
|
Range
|
m 3
|
1.6~2.5
|
1.0~2.0
|
3
|
Diesel engine
|
Model
|
|
F8L413F
|
Power /Speed
|
kW/rpm
|
140/2000
|
Fuel tank Capacity
|
L
|
420
|
4
|
Hydraulic system
|
Max. pressure of main oil circuit
|
MPa
|
27.4
|
Max. flow of main oil circuit
|
L/min
|
2×250
|
Operating style
|
|
Pilot control
|
Hydraulic oil tank capacity
|
L
|
600
|
5
|
Performance
|
Swing speed
|
r/min
|
9.25
|
Travel speed
|
km/h
|
2.3
|
Max. pulling force
|
kN
|
293
|
Gradeability
|
%
|
70
|
Ground pressure
|
MPa
|
0.076
|
Circulating time of operation
|
s
|
16~19
|
6
|
Working date
|
Boom length
|
mm
|
3800
|
6200
|
Stick length
|
mm
|
2980
|
3000
|
Max. digging radius
|
mm
|
8200
|
11000
|
Max. digging depth
|
mm
|
2930
|
7300
|
Max. digging height
|
mm
|
8300
|
8400
|
Max. unloading height
|
mm
|
5800
|
5800
|
Max. digging force of stick
|
kN
|
194
|
136
|
Max. breakout force of bucket
|
kN
|
180
|
150
|
Main Components of Hydraulic Excavator NK370
No.
|
Component
|
Type
|
Manufacturer
|
1
|
Diesel Engine
|
F8L413F
|
Huabei diesel works
|
2
|
Main Pump
|
A7V160
|
Liyuan Hydraulic
|
3
|
Left main Valve
|
WYZ-8
|
Fengyang Hydraulic
|
4
|
Right main Valve
|
WYZ-9
|
Fengyang Hydraulic
|
5
|
Monomer Valve
|
WYZ-28
|
Fengyang Hydraulic
|
6
|
Swing motor
|
A2F160
|
Liyuan Hydraulic
|
7
|
Swing reduction gear
|
CJ200HA
|
BONNY reduction Co.
|
8
|
Travel motor
|
A2F107
|
Liyuan Hydraulic
|
9
|
Travel reduction gear
|
CJ700X
|
BONNY reduction Co.
|
10
|
Armrest pilot valve
|
|
JEIL/Korea
|
11
|
Foot pedal pilot valve
|
|
Kawasaki/Japan
|
12
|
Change valve
|
4WE6C
|
Rexroth/Germany
|
13
|
Hydraulic hose + System seal
|
|
Manuli/Italy
|
14
|
Driver’s seat
|
|
Grammer
|
15
|
Air-condition system
|
|
Wuhan Jindong /China
|