○ Cummins diesel engine ， water cooled, direct injection, turbo-charged and after cooled, Electric control, it satisfies the emission requirement of Europe standard, grade Ⅲ
○ Control of constant power of single pump, limited power of three pumps for reasonable distribution of  power
○ Starting with zero displacement so as to reduce the moment of resistance at starting
○ T echnique with pressure cut to protect hydraulic system and reduce the system heat
○ Secondary overloading for swing and normal closed brake for swing and travel ensure smoothly brake
○ Integrated oil& water cooler with compact conformation
○ The working attachment realized automatic level crowding with bucket to increase the bucket filling factor
○ Attachment designed by CAD, case shape and casting-welding structure realizing the high strength
○ Automatic central lubrication two pumps of system by control of micro-electronics to save daily lubrication
○ Better reliability with Parker hose &seals and Trelleborg cylinder seals
○ The Technique with disassembled undercarriage which is advanced to transport the machine quickly
○ Nitrogen dash control is the exclusive technology in domestic with a long cushion stroke and excellent shockabsorbing capacity
○ LCD displayer, electronic monitoring & alarm, trouble record system
○ Cab with fixed elevation and integrated 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.

No.

Item

Unit

Date

Face shovel

Backhoe

1

Machine weight

t

125

116

2

Bucket capacity

Standard

m ³

6.5

5.0

Range

m ³

6.0~8.0

3.5~7.0

3

Diesel engine

Model

QSK19-C700

Power /Speed

kW/rpm

522/2100

Fuel tank Capacity

L

1205

4

Hydraulic system

Type

Three pumps and three loops, limit load variable system

Max. pressure of main oil circuit

MPa

32

Max. flow of main oil circuit

L/min

2×522

Swing type

Independence open type

Flow of swing oil

1×522

Operating style

Pilot control

Hydraulic oil tank capacity

L

1300

5

Performance

Swing speed

r/min

5.8

Travel speed

km/h

2.4

Max. pulling force

kN

713 

Gradeability

%

70

Ground pressure

MPa

0.127

Circulating time of operation

s

22

6

Working date

Boom length

mm

5450

7800

Stick length

mm

3700

3400

Max. digging radius

mm

11332

13405

Max. digging depth

mm

3330

7315

Max. digging height

mm

11870

12529

Max. unloading height

mm

9400 

8958

Max. digging force of stick

KN

505

416

Max. breakout force of bucket

KN

470

550

No.

Component Name

Model

Manufacturer

1

Diesel engine

QSK19-C700

Cummins/America

2

Main pump

A11VO260

Rexroth/Germany

3

Swing pump

A11VO260

Rexroth/Germany

4

Main valve

8M8-32

Rexroth/Germany

5

Double join valves

2M0-32

Rexroth/Germany

6

Swing motor

A2FE160

Rexroth/Germany

7

Swing reduction gear

GFB110T3

Rexroth/Germany

8

Travel motor

A2FE180

Rexroth/Germany

9

Travel reduction gear

GFT220T3

Rexroth/Germany

10

Armrest Pilot Valves

4TH6E70

Rexroth/Germany

11

Foot pedal pilot valves

4TH6NR

Rexroth/Germany

12

Logical valve

026710

Rexroth/Germany

13

Solenoid valve

4WE6C

Rexroth/Germany

14

Track Ass.

ITM or Berco/Italy

15

Driver’s Seat

Grammer/China

16

Hydraulic hose + System seal

Parker/America

17

Cylinder seal

Trelleborg/America

18

Automatic lubricating system

BEKA/ America or  LINCOLN/America

19

Air-condition

Wuhan Jingdong/China

The hydraulic excavator CE1250-7, which are based on design platform of the international cooperation and global purchasing of components, adopt the latest technology in the world to meet customer’s desire for best performance. Bonny machines have a streamlined appearance which are accepted by international customers, perfect performance, powerful digging force, high productivity and loading efficiency at low operation cost, more availability and long operation life. The powerful earth-moving excavators are applicable to the task of digging of soil gradeⅠ~ Ⅳ , and loading of exploded rocks, such as road construction, municipal project, water power plant, handling of slag, etc.; The powerful mining excavators are suitable for different mines such as non-ferrous metal mine, building material mine, phosphate ore, strip mine and other stripping &loading operation in water power plant.