PL7-250

PL7-450

PL7-750

PL7-950

Max. Lifting Capacity (T)

25

40

70

90

Model of Chassis

D65EX-15

D85EX-15

D155B-Ⅱ

D155B-Ⅱ

Track Gauge (mm)

1800

1880

2140

2140

Track Shoe Width

500

500

560

560

Carrier Rollers (each side)

2

2

2

2

Track Rollers (each side)

6

6

7

7

Operating Weight (kg)

22000

33000

49000

55000

Engine

Model

CAT
3306B(L)

CUMMINS
NT855-C280S20

CUMMINS
NT855-C360

CUMMINS
NT855-C360

Rated Power (HP/rpm)

165/1850

220/1800

320/2000

350/2000

Transmission

Torque Converter Type

3 Element, Single stage, Single phase

Transmission

Planetary gear, multiple-disc clutch, hydraulic-actuated

Planetary gear, multiple-disc clutch, hydraulic-actuated, forced lubrication.

Steering Clutch

Wet type, multi-disc, spring loaded, hydraulic-released.

Wet, multi-disc clutch, spring loaded, hydraulic-actuated.

Steering Brake

Wet type, band brake, operated with hydraulic booster.

Wet, band brake, operated with hydraulic booster and valve inner linkage.

Wet, band brake, operated with hydraulic booster hydraulic interlocking.

Wet, band brake, operated with hydraulic booster hydraulic interlocking.

Final Drive

Spur gear, double reduction, splash lubricated

Pipe laying Equipment

Type

Planetary hydraulic winches

Winch Brake

Multiple-disc, hydraulic released

Drum Diameter (mm) Hook/Boom

380/360

380/360

470/470

470/470

Flange Diameter (mm) Hook/Boom

540/520

600/510

640/640

640/640

Drum Length (mm) Hook/Boom

346/267

372/320

510/510

510/510

Capacity (m) Hook/Boom

70(18mm)/50(18mm)

100(18mm)/60(18mm)

95/75

85/68

Wire Rope (m) Hook/Boom

70/50

90/90

85/75

85/75

Min. Breaking Strength (kN)

189(18mm)

215(18mm)

322

322

Hook Speed (m/min)

13

7

7.3

7.3

Luffing Time (sec)

24(0-85)

20(0-86)

40(0-86)

40(0-86)

Boom-Square Section Standard (m)

7.5

7.5

8.6

8.6

Removable Counterweight

6 segments

2 segments

2 segments

4 segments