Bulldozer

Product Model

D320Y-1

D320Y-2

ENGINE

Model

Cummins NTA855-C360

Type

Four-stroke, turbocharged vertical

Flywheel power (kW)

239

Rated speed (r/min)

2000

No. of cylinders-borexstroke (mm)

6-139.7x152.4

Starting method

 Electric starting 24V 11kW

Battery

24V (12Vx2)-195AH

Air cleaner

Dry horizontal type with precleaner

TRANSMISSION SYSTEM

Torque converter

3-element, single-stage, single phase

Transmission

Planetary gear, multiple-disc clutch, hydraulic actuated, forced lubrication by gear pump, 3 forward speeds and 3 reverse speeds.

Bevel gear

Helical bevel gear, Splash lubricated

Steering clutch

Wet, Multiple disc clutch, Spring loaded, hydraulically actuated

Steering brake

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

Final drive

Spur gear, double reduction, splash lubrication

UNDER CARRIAGE

Sprocket

Segmented

Number of track shoes (each side)

7 (5 single, 2 double)

Track tension

Hydraulic adjusted

Floating seals are used in all track rollers, carrier rollers, sprocket and front idlers

TRAVEL SPEED (km/h)

1^st

2^nd

3^rd

Forward

3.6

6.6

11.5

Reverse

4.4

7.8

13.5

TRACK

Type

Sealed single grouse

Track pitch (mm)

228.6

Track width (mm)

560 (Or 610, 760)

Number of track shoes (each side)

41

Length of track on ground (mm)

3150

Ground clearance (mm)

500

Ground pressure (Mpa)

≤ 0.094

Track gauge (mm)

2140

HYDRAULIC SYSTEM OF WORK EQUIPMENT

Working pressure (Mpa)

13.7

13.7

Rated delivery (L/min) (2000r/min)

335

250

Pump

gear pump

Better gear pump