320B Hydraulic Excavator

Overview & Specifications

Engine

Engine Model

Cat 3066 T Diesel Engine

Cat 3066 T Diesel Engine

Net Flywheel Power

128 hp

96 kW

Net Power – ISO 9249

128 hp

96 kW

Bore

4.02 in

102 mm

Stroke

5.12 in

130 mm

Displacement

389 in3

6.37 L

Net Power – EEC 80/1269

128 hp

96 kW

Net Power – SAE J1349

128 hp

96 kW

Weights

Operating Weight – Std. Undercarriage

42770 lb

19400 kg

Service Refill Capacities

Fuel Tank Capacity

90 gal

340 L

Cooling System

6.6 gal

25 L

Engine Oil

5.1 gal

20.5 L

Swing Drive

1.6 gal

6 L

Final Drive (each)

2.6 gal

10 L

Hydraulic System (including tank)

58 gal

220 L

Swing Mechanism

Swing Speed

10.7 RPM

10.7 RPM

Swing Torque

42050 lb ft

57 kN·m

Drive

Maximum Drawbar Pull

39800 lb

177 kN

Maximum Travel Speed

3.4 mph

5.5 km/h

Hydraulic System

Main Implement System – Maximum Flow (2x)

48.9 gal/min

185 L/min

Max. Pressure – Equipment

4980 psi

34300 kPa

Max. Pressure – Travel

4980 psi

34300 kPa

Max. Pressure – Swing

3340 psi

23000 kPa

Pilot System – Maximum Flow

10.8 gal/min

41 L/min

Pilot System – Maximum Pressure

600 psi

4120 kPa

Boom Cylinder – Bore

5 in

120 mm

Boom Cylinder – Stroke

50 in

1260 mm

B1 Family Bucket Cylinder – Bore

5 in

120 mm

B1 Family Bucket Cylinder – Stroke

41 in

1030 mm

C Family Bucket Cylinder – Bore

5 in

130 mm

C Family Bucket Cylinder – Stroke

46 in

1150 mm

Track

Standard w/Standard Undercarriage

24 in

600 mm

Standard w/Long Undercarriage – Triple Grouser

32 in

800 mm

Optional

24 in

600 mm

Optional

28 in

700 mm

Optional

32 in

800 mm