Caterpillar 311F RR Midi Excavator

Displacement

207cu in

Bore

3.9in

Stroke

4.4in

Net Power - Sae J1349

70hp

Gross Power - Sae J1995

74hp

Engine Model

Cat C3.4B

Flywheel Power

70hp

Operating Weight

30600lb

Maximum Operating Weight

30600lb

Minimum Operating Weight

27300lb

Pilot System - Maximum Flow

21.9 L/min (1,336 in3/min)

Pilot System - Maximum Pressure

598 psi

Maximum Pressure - Travel

5076 psi

Maximum Pressure - Swing

3336 psi

Boom Cylinder - Bore

4in

Boom Cylinder - Stroke

39in

Stick Cylinder - Bore

4in

Stick Cylinder - Stroke

47in

Bucket Cylinder - Bore

4in

Bucket Cylinder - Stroke

37in

Maximum Pressure - Equipment

4424 psi

Cooling System

4.8gal

Final Drive - Each

0.8gal

Hydraulic Tank

25.1gal

Fuel Tank Capacity

55.5gal

Swing Drive - Each

0.8gal

Engine Oil With Filter

2.1gal

Iso 6395 - Spectator Noise

99 dB(A)

Number Of Shoes (Each Side)

43 pieces

Maximum Travel Speed

3.4mph

Maximum Drawbar Pull

25700lb

Maximum Travel Speed - High

3.4mph

Maximum Travel Speed - Low

2.2mph

Swing Torque

22791lb ft

Swing Speed

10rpm