specification

R55-7

Operating weight

5500kg

Bucket capacity(SAE),standard

0.18m3

Engine

Model

4TNV-94L

Type

4-cycle diesel engine ,low emission

Power

53HP/2200rpm

Max torque

20.6kgf.m/1400rpm

Displacement

3054cc

Travel speed<high/low.

4.0km/hr/2.2km/hr

Swing speed

10rpm

gradeability

35°

Fuel tank capacity

125L

Engine oil capacity

9.2L

Hydraulic tank capacity

80L

Hydraulic system

Main pump

Type

Variable displacement tandem axis piston pump

Rated flow

2*55L/min

Gear pump

Fixed displacement gear pump single stage

Hydraulic motor

Travel motor

Variable displacement axial piston motor

Swing motor

Fixed displacement axial piston motor

Relief pressure

Main control valve

220kgf/cm2

Travel circuit

220kgf/cm2

Swing circuit

180kgf/cm2

Dimension

Unit : mm

Overall length

6004

Overall width ,with 400mm shoe

1865

Upperstructure width

1760

Cab height

2548

Ground clearance of counter weight

695

Engine cover height

1595

Min ground cleanrance

325

Rear-end distance

1760

Rear-end swing radius

1770

Tumblers distance

1990

Undercarriage length

2525

Undercarriage width

1845

Track gauge

1445

Track shoe width ,standard

400

Working range

Unit :mm

Boom length

2900

Arm length

1600

Max digging reach

6110

Max digging reach on ground

5970

Max digging depth

3820

Max vertical wall digging depth

3050

Max digging height

5652