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311F L RR Hydraulic Excavator

If you want a machine with the power to match your jobs but owning and operating costs to fit your business, then the Cat® 311F L RR excavator is your answer. Its reduced radius will get you into some pretty tight spots, and its reasonable price and miserly fuel burn will help you operate on a tight budget.

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SPECIFICATION SUMMARY
  • Engine Model Cat® C3.4B
  • Flywheel Power 70 hp
  • Operating Weight 28660 lb
  • Maximum Drawbar Pull 25696 lb

PRICE (USD)
Call 800-637-5000 for rate information

Engine

  • Engine Model
    Cat® C3.4B
  • Flywheel Power
    70 hp
  • Bore
    3.90 in
  • Stroke
    4.33 in
  • Displacement
    207 in3
  • Gross Power – SAE J1995
    74 hp
  • Net Power – SAE J1349
    70 hp
  • Note
    The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 0.9 kg of refrigerant which has a CO2 equivalent of 1.287 metric tonnes.
  • Engine Model
    C3.4B
  • Flywheel Power
    70 HP
  • Bore
    3.9 in
  • Stroke
    4.33 in
  • Displacement
    207 in³
  • Gross Power - SAE J1995
    74 HP
  • Net Power - SAE J1349
    70 HP
  • Note
    The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 0.9 kg of refrigerant which has a CO2 equivalent of 1.287 metric tonnes.
  • Engine Power - ISO 14396
    74 HP
  • Net Power - ISO 9249
    71 HP

Weights

  • Operating Weight
    28660 lb
  • Operating Weight
    28660 lb

Drive

  • Maximum Drawbar Pull
    25696 lb
  • Maximum Travel Speed – High
    3.4 mph
  • Maximum Travel Speed – Low
    2.2 mph
  • Maximum Drawbar Pull
    25696 lb
  • Maximum Travel Speed - High
    3.4 mile/h
  • Maximum Travel Speed - Low
    2.2 mile/h

Hydraulic System

  • Maximum Pressure – Travel
    5076 psi
  • Maximum Pressure – Swing
    3336 psi
  • Pilot System – Maximum Flow
    5.8 gal/min
  • Pilot System – Maximum Pressure
    598 psi
  • Maximum Pressure – Equipment
    4424 psi
  • Main System - Maximum Flow - Total
    125 × 2 L/min (33 × 2 gal/min)
  • Boom Cylinder – Bore
    4 in
  • Boom Cylinder – Stroke
    39 in
  • Stick Cylinder – Bore
    4 in
  • Stick Cylinder – Stroke
    47 in
  • Bucket Cylinder – Bore
    4 in
  • Bucket Cylinder – Stroke
    37 in
  • Maximum Pressure - Equipment
    4424 psi
  • Maximum Pressure - Swing
    3336 psi
  • Maximum Pressure - Travel
    5076 psi
  • Pilot System - Maximum Flow
    5.8 gal/min
  • Pilot System - Maximum Pressure
    598 psi
  • Boom Cylinder - Bore
    4 in
  • Boom Cylinder - Stroke
    39 in
  • Bucket Cylinder - Bore
    4 in
  • Bucket Cylinder - Stroke
    37 in
  • Stick Cylinder - Bore
    4 in
  • Stick Cylinder - Stroke
    47 in
  • Main System - Maximum Flow
    125 × 2 L/min (33 × 2 gal/min)

Service Refill Capacities

  • Cooling System
    2.4 gal
  • Final Drive (each)
    0.79 gal
  • Hydraulic System (including tank)
    42.3 gal
  • Hydraulic Tank
    25.1 gal
  • Engine Oil (with filter)
    2.1 gal
  • Fuel Tank Capacity
    55.48 gal
  • Swing Drive (each)
    0.63 gal
  • Cooling System
    2.4 gal (US)
  • Swing Drive - Each
    0.63 gal (US)
  • Final Drive - Each
    0.79 gal (US)
  • Hydraulic System - Including Tank
    42.3 gal (US)
  • Hydraulic Tank
    25.1 gal (US)
  • Engine Oil - With Filter
    2.1 gal (US)
  • Fuel Tank Capacity
    55.48 gal (US)
  • Engine Oil
    2.1 gal (US)
  • Swing Drive
    0.63 gal (US)

Machine Weight

  • Operating Weight*
    28660 lb
  • Note
    *4.3 m (14'1") reach boom, 2.8 m (9'2") stick, 700 mm (28") track shoes, without blade.
  • Note
    *4.3 m (14'1") reach boom, 2.8 m (9'2") stick, 700 mm (28") track shoes, without blade.
  • Operating Weight*
    28660 lb

Sound

  • ISO 6395 – Spectator Noise
    99 dB(A)
  • ISO 6396 - Operator Noise (Closed)
    72 dB(A)
  • ISO 6395 - Spectator Noise
    99 dB(A)

Swing

  • Swing Torque
    22791 ft·lbf
  • Swing Speed
    10 r/min

Dimensions: Reach Boom – 4.3 m (14'1"); R2.8 m (9'2") Stick

  • Shipping Height
    9.25 ft
  • Shipping Height at Boom Top
    9.08 ft
  • Handrail Height
    9.25 ft
  • Shipping Length – Long Undercarriage
    22.67 ft
  • Shipping Length – Long Undercarriage with Blade
    24.67 ft
  • Tail Swing Radius
    5.75 ft
  • Length to Center of Rollers
    9.08 ft
  • Track Length
    11.42 ft
  • Ground Clearance
    1.42 ft
  • Track Gauge
    6.50 ft
  • Transport Width – 700 mm (28") Shoes
    8.75 ft
  • Cab Height
    9.08 ft

Working Ranges: Reach Boom – 4.3 m (14'1"); R2.8 m (9'2") Stick

  • Maximum Digging Depth
    18.33 ft
  • Maximum Reach at Ground Level
    26.58 ft
  • Maximum Cutting Height
    26.67 ft
  • Maximum Loading Height
    18.92 ft
  • Minimum Loading Height
    4.33 ft
  • Maximum Depth Cut for 2440 mm (8'0") Level Bottom
    16.33 ft
  • Maximum Vertical Wall Digging Depth
    16.00 ft

Track

  • Number of Shoes (each side)
    43 pieces
  • Number of Track Rollers (each side)
    6 pieces
  • Number of Carrier Rollers (each side)
    1 piece
  • Number of Carrier Rollers - Each Side
    1 piece
  • Number of Shoes - Each Side
    43 pieces
  • Number of Track Rollers - Each Side
    6 pieces
  • Number of Track Rollers - Each Side
    4.33 ft

Dimensions - Reach Boom - 4.3 m (14'1

  • Cab Height - With Top Guard
    9.5 ft
  • Counterweight Clearance
    3 ft
  • Cab Height
    9.08 ft
  • Ground Clearance
    1.42 ft
  • Handrail Height
    9.25 ft
  • Length - Center of Rollers
    9.08 ft
  • Shipping Height
    9.25 ft
  • Shipping Height - Top of Boom
    9.08 ft
  • Shipping Length - Long Undercarriage
    22.67 ft
  • Shipping Length - Long Undercarriage with Blade
    24.67 ft
  • Tail Swing Radius
    5.75 ft
  • Track Gauge
    6.5 ft
  • Track Length
    11.42 ft
  • Transport Width - 700 mm (28 in) Shoes
    8.75 ft

Working Ranges - Reach Boom - 4.3 m (14'1

  • Maximum Cutting Height
    26.67 ft
  • Maximum Digging Depth
    18.33 ft
  • Maximum Loading Height
    18.92 ft
  • Maximum Reach - Ground Level
    26.58 ft
  • Maximum Vertical Wall Digging Depth
    16 ft
  • Minimum Loading Height
    4.33 ft

  • Maximum Depth Cut for 2440 mm (8'0") Level Bottom
    16.33 ft

Working Ranges

  • Stick Digging Force (ISO)
    11690 lbf
  • Maximum Digging Depth
    18.33 ft

Swing Mechanism

  • Swing Speed
    10 r/min
  • Maximum Swing Torque
    22791 ft·lbf

Dimensions

  • Shipping Length
    22.67 ft
  • Tail Swing Radius
    5.75 ft
  • Counterweight Clearance
    3 ft
  • Ground Clearance
    1.42 ft
  • Track Length
    11.42 ft
  • Track Gauge
    6.5 ft
  • Transport Width
    8.75 ft

MOVE MORE WITH LESS FUEL

  • The C3.4B U.S. EPA Tier 4 Final/EU Stage IV engine burns up to 14% less fuel than the model it replaces, the 311D.
  • The engine is equipped to run on up to B20 biodiesel fuel.
  • Two power modes, high power and eco mode, help operators manage fuel consumption.
  • Auto engine idle shutdown saves fuel, reduces emissions, and extends service intervals.

EXPAND YOUR CAPABILITIES

  • Reduced radius is ideal for work in space-restricted areas.
  • Site prep and finishing work are quick and easy with a wide range of Cat work tools.
  • Utility work is fast and flawless with a Cat bucket and compactor.
  • A coupler lets you swap between attachments in seconds without leaving the cab.
  • See the whole money-making attachment line for your machine at www.cat.com/attachments.

DESIGNED FOR OPERATORS

  • The roll-over protective structure (ROPS) certified cab is quiet and comfortable.
  • Automatic climate control helps maintain consistent cab temperature.
  • Joystick consoles and armrests are adjustable.
  • Seats are adjustable and feature air suspension and heated and cooled options.
  • The LCD monitor is easy to navigate and programmable in 42 languages.

BUILT TO PERFORM

  • Booms and sticks are built with baffle plates for enhanced service life.
  • Box-section structures with multi-plate fabrications, castings, and forgings are used in high-stress areas.
  • Greased track link between pins and bushings increases undercarriage life and reduces noise.

SAVE ON SERVICE AND MAINTENANCE

  • Many routine service and maintenance points can be accessed from ground level reducing the time taken to check and service your machine.
  • Service doors are designed to prevent debris entry and to make access to fluid taps and filters easy.
  • The cooling package is designed to prevent plugging and has wide clearance to help make blowing off debris easy.

ENSURING A SAFE JOB SITE

  • The side-view camera is offered to enhance visibility on the boom side of the machine to help make operators more effective and efficient.*

    * Regulation requirement for Europe only.

EFFICIENCY THROUGH TECHNOLOGY

  • Cat technology improves job site efficiency.
  • Product Link™ system connects owners to their equipment, providing access to machine data such as location, hours, fuel consumption, idle time, events, and diagnostic codes.
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