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YZK12HD Vibratory Roller

·          Equipped with DongFeng Cummins engine

·          Double frequency & Double amplitude, and super centrifugal force, creates strong compacting effect

·          Reasonable configuration, reliable performance, and high working efficiency hydraulic components

·          Operator's station is designed for comfort and safety. Fully-adjustable, suspension-mounted operator's seat.

·          Hydrostatic travel and vibration drive, and stepless speed regulating.

·           PD model are comprised of 3 segments and are dismantled.


·          Overall Dimension

1

Length

6000mm

2

Width(to outside of wheels)

2300mm

3

Height(To the top of the cab)

3055mm

4

Wheel base

2915mm

5

Tread 

1560mm

6

Min. ground clearance

420mm

Main Technical Specification

1

Static lineforce(without PD) 

340N/cm

2

Dynamic lineforce(without PD) 

1300 N/cm

3

Operating weight

With PD

13200kg

Without PD

12100kg

4

Nominal Amplitude with PD

High

1.45 mm

Low

0.7mm

Nominal Amplitude without PD

High

1.8

Low

0.9

5

Centrifugal Force   

– high

–low

                      

 At low frequency and high amplitude

274kN

At high frequency and low amplitude

171kN

6

Distribution weight of Drum


With PD

 8100kg

 Without PD 

6980 kg

7

Distribution weight of Tires

5100kg

8

Frequency

31/35Hz

9

Min. turning radius(Outside of rear wheel) 

5900mm

10

Drum dimension(with PD):Diameter X width X thickness

1722×2100×28(mm)

Drum dimension(without PD):Diameter X width X thickness

1530×2100×28(mm)

11

PD model specification

Number of pad feet 

135

Area of one pad foot

126cm2

Height of pad feet

80mm

12

Traveling speed(Km/h),3 forward &3 reverse


(1) 1st gear (F/R)  

0~4.8

(2) 2nd gear (F/R)  

0~6.4

(3) 3rd gear (F/R)  

0~10.6

13

Gradient capacity

With PD

30%

Without PD

40%

Diesel engine 

1

Model

DongFeng Cummins engine 6BT5.9                                                             

2

Type

Vertical, in-line, liquid-cooled and four-stroke engine

3

Rated output 

110 kW

4

Total exhaust of cylinder

5.9 (L)

5

Rated speed 

2200(r/min)

6

Max. Torque 

590(N.M)/1500RPM

7

Starting type

Electric

8

Min. specific fuel consumption

229(g/Kw.h)

9

Net weight 

410±20(kg)

Driving System 

1

Model

Hydrostatic travel and vibration drive

2

Type

Drive pump +drive motor + reducer

3

Model of drive pump

A4VG71HWDL1/32R-NAF02F041D-S

4

Model of vibration driving motor +reducer

Ratio of reducer 

A6VE55EZ4/63W-VZL027B+GFT26T2

62

5

Model of rear driving motor+ reducer

Ratio of reducer

A6VM80EZ4/3W-VAB027B+EM1020/MR

3.08

6

System pressure

38MPa

Axle and Tire 

1

Type of main reducer

spiral bevel gear, single stage

2

Gear ratio of main reducer

3.889

3

Type of final reducer 

Single stage planetary

4

Gear of ratio of final reducer

4.941

5

Total ratios

23.2584

6

Rim model

DW20

7

Size of tire

23.1-26-12PR

Working Device Hydraulic System 

1

Model of vibratory pump

A10VG45EZ2DM1/10R-NSC10F013D

2

System pressure

280(kgf/cm2)

3

Model of vibratory motor振

A10FM45/52W-VRC60N007

Steering System 

1

Type

Middle articulated frame. Full-hydraulic Steering

2

Model of steering pump

AZ-PF-1X/022RRRR20KB

3

Model of redirector 

BZZ1-E500C

4

System pressure

15MPa

5

Dimension of steering cylinder

Ф90*45*280(mm)

Brake System

1



Type of traveling brake

In general, traveling brake depend on static hydraulic tow of close-circuit hydraulic system

Vibratory reducer with brake which control by a solenoid valve.

2

Type of parking brake

Hand brake 

Flexible shaft control clamp brake

Oil Capacity

1

Fuel(diesel)

250 (L)

2

Engine lubricating oil

15 (L)

3

Oil for hydraulic system

140 (L)

4

Oil for driving axles

24 (L)

5

Oil for vibrating drum

2X56(L)

6

Reducer(EM1020/MR/3.08)

2.2L




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