Caterpillar 311B Hydraulic Excavator

Boom/Stick Option (Hex) 1

Boom 14'1' (4300mm) / Stick 1950mm

Boom/Stick Option (Hex) 2

Boom 14'1' (4300mm) / Stick 7'5' (2250mm)

Shipping Length Of Unit

23.82ft in

Max Cutting Height

26.65ft in

Max Loading Height

18.92ft in

Shipping Height Of Unit

9.06ft in

Max Reach Along Ground

26.58ft in

Max Digging Depth

18.38ft in

Boom/Stick Option (Hex) 3

Boom 14'1' (4300mm) / Stick 9'2' (2800mm)

Ground Clearance

1.45ft in

Height To Top Of Cab

9.06ft in

Width To Outside Of Tracks

8.17ft in

Length Of Track On Ground

8.57ft in

Tail Swing Radius

6.99ft in

Track Gauge

6.53ft in

Shoe Size

19.69in

Drawbar Pull

20720lb

Ground Pressure

5.51psi

Max Travel Speed

3.42mph

Number Of Cylinders

4

Engine Make

2236

Net Power

79hp

Gross Power

85hp

Power Measured @

1800rpm

Displacement

259cu in

Aspiration

turbocharged

Bore

4in

Stroke

5.1in

Engine Model

Cat 3064T

Flywheel Power

79hp

Eec 80/1269

79hp

Sae J1349

78hp

Iso 9249

79hp

Fuel Capacity

66.1gal

Cooling System Fluid Capacity

4.1gal

Operating Voltage

24V

Engine Oil Capacity

3.5gal

Swing Drive Fluid Capacity

0.8gal

Alternator Supplied Amperage

50amps

Hydraulic Pump Flow Capacity

57.1gal/min

Swing Speed

10.8rpm

Swing Torque

22422lb ft

Operating Weight

27680lb

Reference Bucket Capacity

0.6yd3

Minimum Bucket Capacity

0.5yd3

Maximum Bucket Capacity

1.1yd3

Pilot System - Maximum Flow

4.5 gal/min

Pilot System - Maximum Pressure

570 psi

Maximum Pressure - Travel

4980 psi

Maximum Pressure - Swing

3340 psi

Maximum Pressure - Implements

4340 psi

Boom Cylinder - Bore

4in

Boom Cylinder - Stroke

40in

Stick Cylinder - Bore

4.3in

Stick Cylinder - Stroke

47in

Bucket Cylinder - Bore

4in

Bucket Cylinder - Stroke

37in

Cooling System

4.1gal

Fuel Tank

66gal

Final Drive - Each

0.7gal

Hydraulic Tank

25.9gal

Engine Oil

3.4gal

Swing Drive - Each

0.8gal

Maximum Drawbar Pull

20720lb

Travel Speed

3.4mph