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CF904B corn combine harvester
corn combine harvester

Product Highlights



CF904B is a corn combine harvester designed by Changfa. It adopts the new design of domestic leading mechanical and hydrostatic drive technololgy. Drivers can easily and comfortably complete all work including snapping, transfer, stripping, packing, straw chopping and returning to field at one time .


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Strong power, stable and reliable

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Yuchai 140 horsepower engine


Equipped with Yuchai 140HP engine,powerful, low fuel consumption,long service life.The protective cover on the engine is added to avoid catching fire because of the corn or other things fallen.

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Mechanical drive axle


Equipped with excellent mechanical drive axle with low fault rate, high relablity. New hydrostatic drive axle is optional, which is more comfortable to operate.


Excellent picking performance

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Knife reinforcement type picking ear structure


Adopting the world leading opposite knives stalk pulled roller with high productivity, excellent performance of harvesting lodging crops.It can meet requirements of all weather harvest.

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Circular pick pick plate


Arc snapping plates, low breakage rate.

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Circular pick pick plate


Arc snapping plates, low breakage rate.


Efficient one-level transport system

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Lift system has high reliability


The transport system is not tranditional gap bridge style. The corncobs are lifted to stripping system through auger and elevator. It is simple in structure, convenient to maintain and reliable as a whole.

Strong power, stable and reliable

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The use of all-plastic peeling machine


Adopting 16 low angle, all rubber strippers designed and produced by Changfa. It can provide low breakage rate and high purity rate. Through front-low and rear-high style vibrating screen and grain recycle device, it can screen out bracts and grain in high efficiency.



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7.1 m compact body, to meet the Central Plains harvest requirements


The machine has a compact structure, short wheel base,and small turning radius. It can meet the requirements of harvesting of small fields in plains.

High-performance clutch, environmentally friendly and reliable

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Straw return, low consumption and high efficiency


Middle impurity removing device adopts double-blade flail knives, reversal chopping, which has good performance, low power-waste and it is also beneficial for seeding. Equipped with excellent performance clutch,protecting the system when power is cut off.

The driving environment is comfortable

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Wide field of vision, comfortable manipulation


Broad vision arc cabin and humanized design of copilot side seat making the operation of drivers more convenient.The height and position of seat are ajustable to reducing fatigue of drivers. New design of foot accelerator pedal(standard 3 ). It satifies the habits of drivers so that they can transfer between fields.The monitor fixed in right front can help the drivers to observe rear situation.

Parameters

CF904B Technical Specifications

Sr No.

Item

Unit

Design value

1

Model

/

4YZB-4K self-propelled maize harvester

2

Structure

/

Ear-snapping、husker、Cornstalk cutting type

3

Engine

Model

/

YC4A05220-T301

Structure

/

Vertical line, water-cooled, four-stroke, air intercooling, high-pressure common rail system

Cylinder

pcs

4

Rated power

kW

147

Rated speed

r/min

2300

4

Working diamension(L×W×H、Wheat cutter bar)

mm

7900×2600×3500

5

Mass

kg

6900

6

Working width(rows)

pcs

4 (spacing: 520mm)

7

Working breadth

mm

2200

8

Max ear-snapping height

mm

2100

9

Corn ear conveyor

Position

/

Middle

Structure

/

Chain harrow type

Max passing Height

mm

3000

10

Min ground clearance

mm

300

11

Min clearance radius

Turn left

mm

6000

Turn right

6000

12

Working speed

km/h

3~9

13

Working efficiency per hour

hm2/h

0.33~1.0

14

Fuel consumption

kg/hm2

≤35

15

Stalk pulled roller

/

stike

16

Ear-snapping roller/plate

/

Roller

17

Ear-snapping roller/plate quantity

/

8

18

Ear-snapping roller/plate size

mm

Ø90×766

19

Conveyor

Type

/

Chain harrow type

Width

mm

240

20

Husker

Husker roller type

/

Rubber roller

Husker roller Size

mm

Ø66×882

Husker roller quantity

Pcs

20

21

Cutter bar

/

Horizantal

26

Fan

Type

/

multi-blade centrifugal type

Diameter

mm

Ø 400

Quantity

Pcs

1

29

Grain tank

Capacity

L

2800

Dsicharging

/

Mechanical

Driving mode

/

Hydraulic drive

30

Cornstalk handling system

Model

/

Cornstalk cutting and returning device

type

/

Flail knife

Width

mm

2000

Position

/

Middle

31

Cabin type

Yes(simple,normal,or closed type)

/

Normal

None

32

Gearbox

/

HST+ Mechanical transmission

33

Drive axle

type

/

Hydrostatic transmission

mode

/

4×2(2WD)

34

Steering

Type

/

Hydraulic steering

Power Model

/

Hydraulic Power Steering

35

Brake

Type

/

Disc

Power Model

/

Hydraulic Power

36

Wheel Base

mm

2930

37

Trend

Guide wheel

mm

1600

Driving wheel

mm

1880

38

Tyre size

Guide wheel

/

10/75-15.3

Driving wheel

/

15-24

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