321B LCR Hydraulic Excavator

Overview & Specifications

Engine

Engine Model

Cat 3066T

Cat 3066T

Net Flywheel Power

129 hp

96 kW

Net Power – ISO 9249

129 hp

96 kW

Bore

4.02 in

102 mm

Stroke

5.12 in

130 mm

Displacement

389 in3

6.37 L

Gross Power

134 hp

100 kW

Net Power – EEC 80/1269

129 hp

96 kW

Net Power – SAE J1349

127 hp

95 kW

Weights

Operating Weight – Std. Undercarriage

50926.72 lb

23100 kg

Service Refill Capacities

Fuel Tank Capacity

66 gal

250 L

Cooling System

6.6 gal

25 L

Engine Oil

5.4 gal

20.5 L

Swing Drive

1.6 gal

6 L

Final Drive (each)

2.6 gal

10 L

Hydraulic System (including tank)

69 gal

260 L

Swing Mechanism

Swing Speed

10.7 RPM

10.7 RPM

Swing Torque

43221 lb ft

58.6 kN·m

Drive

Maximum Drawbar Pull

44063 lb

196 kN

Maximum Travel Speed

3.1 mph

5 km/h

Hydraulic System

Main Implement System – Maximum Flow (2x)

49 gal/min

185 L/min

Max. Pressure – Equipment

4974 psi

34300 kPa

Max. Pressure – Travel

4974 psi

34300 kPa

Max. Pressure – Swing

3553 psi

24500 kPa

Pilot System – Maximum Flow

11 gal/min

41 L/min

Pilot System – Maximum Pressure

597 psi

4120 kPa

Boom Cylinder – Bore

4.92 in

125 mm

Boom Cylinder – Stroke

55 in

1403 mm

B1 Family Bucket Cylinder – Bore

4.72 in

120 mm

B1 Family Bucket Cylinder – Stroke

41 in

1030 mm

Track

Standard w/Long Undercarriage

31 in

800 mm

Optional

24 in

600 mm

Optional

28 in

700 mm