Model

YANMAR 4TNV88

Travel motors

KYB, Japan;

Type

Direct injection, water cooled, natural intake

Support roller quantities

2×5

Carrier roller quantities

2×1

No. of cylinder

4

Travel shoes

2X35

Bore and stroke

88X90(mm)

Travel speed

2.7/4.4(km/h)

Displacement

2.19L

Drawbar pulling force

35kN

Power output

25.2kw/2200rpm

Gradeability

58%(30⁰)

Max. torque

142N.m/1200rpm

Ground clearance

350mm

Hydraulic System

Cab & Electrical System

Pump

KYB, Japan

Cab

All-weather, sound-suppressed Cab and equipped with a heavy, insulated Floor Mat， Front Window can be opened and slided; adjustable Seat; LED display, Automatic monitoring, display

Type

axial piston pump gear pump

Max. discharge flow

2x45.7 36.9(L/min)

Max. discharge pressure

Boom, arm and bucket

21.5 MPa

Voltage

12V

Travel circuit

15.7 MPa

Batteries

1x12V

Swing circuit

15.7 MPa

Battery capacity

80Ah

Control circuit

3.9 MPa

Boom, Arm ＆ Bucket

Pilot control pump

Gear type

Boom cylinder

Φ90xΦ50xS552-L915

Main control valves

KYB, Japan

Arm cylinder

Φ85xΦ50xS580-L920

Oil cooler

Air cooled type

Bucket cylinder

Φ70xΦ45xS443-L745

Swing System

Refilling Capacity & lubrication

Swing motor

KYB, Japan

Fuel tank

82 L

Swing motor type

Axial-piston motor

Cooling system

12 L

Brake

Hydraulic oil released

Engine oil

6L

Parking brake

Hydraulic disc brake

Hydraulic oil tank

59L Tank Oil Level

Swing speed

10 r/min

85L Hydraulic System

Bucket

Type

Backhoe bucket

Bucket capacity

0.17m³ (SAE)

Bucket Capacity scope

0.069-0.24m³

Number of bucket teeth

4

Bucket width

640 mm

Working Ranges

Boom length

2650m

A

Max. digging height

5030mm

B

Max. dumping height

3410mm

C

Max. digging depth

3405mm

D

Max. vertical digging depth

2900mm

F

Max. digging distance

5530mm

G

Max. digging reach at ground level

5420mm

H

Min swing radius of work equipment

2185mm

Arm length

1450mm

A

Bucket digging force

23.7 KN

B

Arm digging force

21.6 KN

Overall Dimensions                                                Unit: mm

A

Overall length

5500mm

I

Track grounding length

1710mm

B

Ground contact length

3353mm

J

Track length

2190mm

C

Overall height(to top of boom)

1861mm

K

Track gauge

1400mm

D

Overall width

1750mm

L

Track width

1750mm

E

Overall height(to top of cab)

2455mm

M

Track Shoe width

350mm

F

Counter weight ground clearance

585mm

O

Bonnet height

1437mm

G

Min Ground clearance

350mm

P

Revolving frame width

1600mm

H

Tail swing radius

1600mm

Q

Distance from swing center to tail

1600mm

Operating Weight and Ground Pressure

Operating weight includes basic machine;

Operating weight

4200 Kg

Ground pressure

36 KPa