Cat Small Excavators 311F L RR

Cat Small Excavators 311F L RR

Operating weight 13000.0 kg
Bucket capacity 52.0 kW
Lifting capacity, along undercarriage
Gross power

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Fuel Efficiency


  • 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.



 


Versatility


  • 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.




Comfort


  • 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.




Durability


  • 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.




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.




Safety


  • 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.




Technology


  • Cat Connect 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.





Overview

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.

Engine

Units:

Engine ModelCat® C3.4B | Cat® C3.4B
Flywheel Power70.0 HP | 52.0 kW
Bore3.9 in | 99.0 mm
Stroke4.33 in | 110.0 mm
Displacement207.0 in³ | 3.4 l
Gross Power - SAE J199574.0 HP | 55.0 kW
Net Power - SAE J134970.0 HP | 52.0 kW
NoteThe 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. | 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.

Weights

Operating Weight28660.0 lb | 13000.0 kg

Machine Weight

Note*4.3 m (14'1") reach boom, 2.8 m (9'2") stick, 700 mm (28") track shoes, without blade. | *4.3 m (14'1") reach boom, 2.8 m (9'2") stick, 700 mm (28") track shoes, without blade.
Operating Weight*28660.0 lb | 13000.0 kg

Swing

Swing Speed10.0 r/min | 10.0 r/min
Swing Torque22791.0 ft·lbf | 30.9 null

Drive

Maximum Drawbar Pull25696.0 lb | 114.3 kN
Maximum Travel Speed - High3.4 mile/h | 5.4 km/h
Maximum Travel Speed - Low2.2 mile/h | 3.6 km/h

Hydraulic System

Main System - Maximum Flow - Total125 × 2 L/min (33 × 2 gal/min) | 125 × 2 L/min (33 × 2 gal/min)
Maximum Pressure - Equipment4424.0 psi | 30.5 MPa
Maximum Pressure - Swing3336.0 psi | 23.0 MPa
Maximum Pressure - Travel5076.0 psi | 35.0 MPa
Pilot System - Maximum Flow5.8 gal/min | 21.9 l/min
Pilot System - Maximum Pressure598.0 psi | 4120.0 kPa
Boom Cylinder - Bore4.0 in | 100.0 mm
Boom Cylinder - Stroke39.0 in | 1002.0 mm
Bucket Cylinder - Bore4.0 in | 100.0 mm
Bucket Cylinder - Stroke37.0 in | 939.0 mm
Stick Cylinder - Bore4.0 in | 110.0 mm
Stick Cylinder - Stroke47.0 in | 1194.0 mm

Service Refill Capacities

Cooling System2.4 gal (US) | 9.0 l
Swing Drive - Each0.63 gal (US) | 2.4 l
Final Drive - Each0.79 gal (US) | 3.0 l
Hydraulic System - Including Tank42.3 gal (US) | 160.0 l
Hydraulic Tank25.1 gal (US) | 95.0 l
Engine Oil - With Filter2.1 gal (US) | 8.0 l
Fuel Tank Capacity55.48 gal (US) | 210.0 l

Sound

ISO 6395 - Spectator Noise99.0 dB(A) | 99.0 dB(A)
ISO 6396 - Operator Noise (Closed)72.0 dB(A) | 72.0 dB(A)

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

Cab Height9.08 ft | 2760.0 mm
Cab Height - With Top Guard9.5 ft | 2920.0 mm
Counterweight Clearance3.0 ft | 915.0 mm
Ground Clearance1.42 ft | 440.0 mm
Handrail Height9.25 ft | 2820.0 mm
Length - Center of Rollers9.08 ft | 2780.0 mm
Shipping Height9.25 ft | 2820.0 mm
Shipping Height - Top of Boom9.08 ft | 2760.0 mm
Shipping Length - Long Undercarriage22.67 ft | 6920.0 mm
Shipping Length - Long Undercarriage with Blade24.67 ft | 7540.0 mm
Tail Swing Radius5.75 ft | 1750.0 mm
Track Gauge6.5 ft | 1990.0 mm
Track Length11.42 ft | 3490.0 mm
Transport Width - 700 mm (28 in) Shoes8.75 ft | 2690.0 mm

Track

Number of Carrier Rollers - Each Side1 piece | 1 piece
Number of Shoes - Each Side43 pieces | 43 pieces
Number of Track Rollers - Each Side6 pieces | 6 pieces

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

Maximum Cutting Height26.67 ft | 8140.0 mm
Maximum Depth Cut for 2440 mm (8'0") Level Bottom16.33 ft | 4990.0 mm
Maximum Digging Depth18.33 ft | 5590.0 mm
Maximum Loading Height18.92 ft | 5770.0 mm
Maximum Reach - Ground Level26.58 ft | 8100.0 mm
Maximum Vertical Wall Digging Depth16.0 ft | 4880.0 mm
Minimum Loading Height4.33 ft | 1330.0 mm

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