Cat Excavators:

311F RR Hydraulic Excavator

Engine Model
Cat® C3.4B
Flywheel Power
70.0 hp
Operating Weight
30600.0 lb
Maximum Drawbar Pull
25700.0 lb

The Cat 311F RR delivers fuel savings and performance – two attributes you need to be successful in your business.



Benefits & Features

Product Specs

  • Engine

  • Engine Model
    Cat® C3.4B
    Flywheel Power
    70.0hp
    Bore
    3.9in
    Stroke
    4.33in
    Displacement
    207.0in3
    Gross Power - SAE J1995
    74.0hp
    Net Power - SAE J1349
    70.0hp
  • Weights

  • Operating Weight
    30600.0lb
    Maximum Operating Weight
    30600.0lb
    Minimum Operating Weight
    27300.0lb
  • Drive

  • Maximum Drawbar Pull
    25700.0lb
    Maximum Travel Speed
    3.4mph
    Maximum Travel Speed - High
    3.4mph
    Maximum Travel Speed - Low
    2.2mph
  • Hydraulic System

  • Pilot System - Maximum Pressure
    598.0psi
    Boom Cylinder - Bore
    4.0in
    Boom Cylinder - Stroke
    39.0in
    Stick Cylinder - Bore
    4.0in
    Stick Cylinder - Stroke
    47.0in
    Bucket Cylinder - Bore
    4.0in
    Bucket Cylinder - Stroke
    37.0in
    Main System - Maximum Flow (Total)
    125 × 2 L/min (33 × 2 gal/min)
    Maximum Pressure - Equipment
    4424.0psi
    Maximum Pressure - Swing
    3336.0psi
    Maximum Pressure - Travel
    5076.0psi
    Pilot System - Maximum Flow
    21.9 L/min (1,336 in3/min)
  • Service Refill Capacities

  • Cooling System
    4.76gal
    Swing Drive (each)
    0.79gal
    Final Drive (each)
    0.79gal
    Hydraulic System (including tank)
    42.3gal
    Hydraulic Tank
    25.1gal
    Engine Oil (with filter)
    2.1gal
    Fuel Tank Capacity
    55.48gal
  • Sound

  • ISO 6395 - Spectator Noise
    99.0dB(A)
    ISO 6396 - Operator Noise (Closed)
    72.0dB(A)
  • Track

  • Number of Carrier Rollers (each side)
    1 piece
    Number of Shoes (each side)
    43 pieces
    Number of Track Rollers (each side)
    6 pieces
  • Swing

  • Swing Speed
    10.0RPM
    Swing Torque
    22791.0lb ft

Equipment

  • Cab
    • Pressurized operator station with positive filtration
    • Sliding upper door window (left-hand cab door)
    • Removable lower windshield with in cab storage bracket
    • Coat hook
    • Beverage holder
    • Literature holder
    • AM/FM radio
    • Radio with MP3 auxiliary audio port
    • Two stereo speakers
    • Storage shelf suitable for lunch or toolbox
    • Color LCD display with indicators, filter/fluid change, and working hour information
    • Adjustable armrest
    • Height adjustable joystick consoles
    • Neutral lever (lock out) for all controls
    • Travel control pedals with removable hand levers
    • Capability of installing additional pedal
    • Two power outlets, 10 amp (total)
    • Travel alarm
    • Laminated glass front upper window and tempered other windows
  • Counterweight
    • 2.45 mt (2.7 t) without lifting eye
  • Electrical
    • 80 amp alternator
    • Circuit breaker
    • Capability to electrically connect a beacon
  • Engine
    • C3.4B diesel engine
    • Biodiesel capable
    • Meets EPA Tier 4 Final emission standards
    • 2300 m (7,500 ft) altitude capability
    • Manual priming pump
    • Automatic engine speed control
    • Economy and high power modes
    • Two-speed travel
    • Side-by-side cooling system
    • Radial seal air filter
    • Primary filter with water separator and water separator indicator
    • Secondary filter
    • Standard battery -18° C (0° F)
  • Hydraulic System
    • Regeneration circuit for boom and stick
    • Reverse swing dampening valve
    • Automatic swing parking brake
    • High-performance hydraulic return filter
    • Fine swing control
  • Lights
    • Halogen boom light (left side)
    • Time delay function for boom light and cab light
    • Exterior light
  • Undercarriage
    • Center track guiding guard
    • Grease Lubricated Track GLT2, resin seal
    • Towing eye on base frame
  • Security
    • Cat one key security system
    • Door locks
    • Cap locks on fuel and hydraulic tanks
    • Lockable external tool/storage box
    • Signaling/warning horn
    • Secondary engine shutoff switch
    • Openable skylight for emergency exit
    • Rearview camera-ready
  • Cab
    • Rear window for emergency exit
    • Seat, high-back air suspension with heater and cooling
    • Seat, high-back mechanical suspension
    • Straight travel pedal
    • Rain protector
    • Cab mirror
    • Ashtray
    • Sunscreen
  • Engine
    • Cold weather battery -25° C (-13° F)
    • Jump start receptacle
  • Front Linkage
    • Quick coupler
    • Bucket linkage
    • 4.3 m (14'1") Reach Boom
    • 2.8 m (9'2") stick
  • Hydraulic System
    • Control pattern quick-changer, two way
    • Auxiliary hydraulics
    • Boom and stick lines
    • High-pressure line
    • Medium-pressure line
    • Quick coupler line
    • Boom lowering and stick lowering control valve
  • Security
    • FOGS, bolt-on
    • Guard, cab front, mesh
    • Guard, vandalism
    • Side steel bumper
    • Security system fitted (MSS)
    • Bottom guards, heavy duty
    • Rearview camera
  • Technology
    • Product Link
  • Lights
    • Working light, cab mounted with time delay
    • Halogen boom lights (right side)
  • Undercarriage
    • 500 mm (20") triple grouser shoes
    • 600 mm (24") triple grouser shoes
    • 700 mm (28") triple grouser shoes
    • 770 mm (30") triple grouser shoes
    • Rubber pad for 500 mm (20") triple grouser shoes
    • 2500 mm (8'2") blade with replaceable cutting edge
    • 2600 mm (8'6") blade with replaceable cutting edge
    • 2700 mm (8'10") blade with replaceable cutting edge
    • Swivel guard

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