US
Metric

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

Net Power - ISO 9249
71.00 HP
52.00 kW
Engine Model
C3.4B
Engine Power - ISO 14396
74.00 HP
55.00 kW
Bore
3.90 in
99.00 mm
Stroke
4.33 in
110.00 mm
Displacement
207.00 in³
3.40 l

Hydraulic System

Main System - Maximum Flow
125 × 2 L/min (33 × 2 gal/min)
Maximum Pressure - Equipment
4424.00 psi
30.50 MPa
Maximum Pressure - Swing
3336.00 psi
23.00 MPa
Maximum Pressure - Travel
5076.00 psi
35.00 MPa

Swing Mechanism

Swing Speed
10.00 r/min
10.00 r/min
Maximum Swing Torque
22791.00 ft·lbf
30.90 kN·m

Weights

Operating Weight
28660.00 lb
13000.00 kg

Service Refill Capacities

Fuel Tank Capacity
55.48 gal (US)
210.00 l
Cooling System
2.40 gal (US)
9.00 l
Engine Oil
2.10 gal (US)
8.00 l
Swing Drive
0.63 gal (US)
2.40 l
Final Drive - Each
0.79 gal (US)
3.00 l
Hydraulic System - Including Tank
42.30 gal (US)
160.00 l
Hydraulic Tank
25.10 gal (US)
95.00 l

Dimensions

Boom
4.3 m (14'1" ft)
Stick
R2.8 m (9'2")
Bucket
GD 0.53 m3 (0.69 yd3)
Shipping Height - Top of Cab
9.08 ft
2760.00 mm
Handrail Height
9.25 ft
2820.00 mm
Shipping Length
22.67 ft
6920.00 mm
Shipping Length - with Blade
24.67 ft
7540.00 mm
Tail Swing Radius
5.75 ft
1750.00 mm
Counterweight Clearance
3.00 ft
915.00 mm
Ground Clearance
1.42 ft
440.00 mm
Track Length
11.42 ft
3490.00 mm
Length to Center of Rollers
9.08 ft
2780.00 mm
Track Gauge
6.50 ft
1990.00 mm
Transport Width
8.75 ft
2690.00 mm

Working Ranges

Maximum Digging Depth
18.33 ft
5590.00 mm
Boom
4.3 m (14'1" ft)
Stick
R2.8 m (9'2")
Bucket
GD 0.53 m3 (0.69 yd3)
Maximum Reach at Ground Level
26.58 ft
8100.00 mm
Maximum Cutting Height
26.67 ft
8140.00 mm
Maximum Loading Height
18.92 ft
5770.00 mm
Minimum Loading Height
4.33 ft
1330.00 mm
Maximum Vertical Wall Digging Depth
16.00 ft
4880.00 mm
Bucket Digging Force (ISO)
20007.00 lbf
89.00 kN
Stick Digging Force (ISO)
11690.00 lbf
52.00 kN
Features

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.