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311F RR

Small Excavators

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

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Engine Model Cat® C3.4B
Flywheel Power 52 kW
Bore 99 mm
Stroke 110 mm
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311F RR
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FEATURES & BENEFITS

Reduced Radius

Tight Job, Right MachineWith more and more jobs requiring work in tight spaces, a reduced radius machine is the right choice for you. The 311F RR's tail swing radius is j... Read more

Engine

A Unique Emissions SolutionThe Cat C3.4B engine meets U.S. EPA Tier 4 Final emission standards. It provides plenty of power for the utility work you do and won't consume... Read more

Hydraulics

Efficient DesignMajor hydraulic components like pumps and valves are located close together to make it possible to use shorter tubes and lines. This design leads to less... Read more

Structures and Undercarriage

Robust FramesThe 311F is a well-built machine that's designed to give you a long service life. The upper frame includes special mountings made specifically to support the... Read more

Operator Station

A Safe and Quiet CabThe Roll-Over Protective Structure (ROPS) certified cab is not only a safety feature, but it is also a sound suppressor due to its special sealing and... Read more

Front Linkage

Boom and StickThe 311F RR is offered with a 4.3 m (14'1") reach boom and a R2.8 m (9'2") stick. This configuration offers you excellent all-around versatility and a large... Read more

Integrated Technologies

Cat Connect makes smart use of technology and services to improve your job site efficiency. Using the data from technology-equipped machines, you'll get more information... Read more

Attachments

Get the Most Out of One MachineThe 311F RR is a highly versatile machine that packs a lot of performance into a small package. You can easily expand that performance by u... Read more

Safety

A Safe and Quiet CabYou will benefit from the enhanced protection of a ROPS-certified cab. Not only is it safe, but its special roof lining and sealing make the sound ins... Read more

SPECIFICATIONS FOR 311F RR

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Engine
Engine Model Cat® C3.4B
Flywheel Power 52 kW
Bore 99 mm
Stroke 110 mm
Displacement 3.4 l
Net Power - SAE J1349 52 kW
Gross Power - SAE J1995 55 kW
Weights
Operating Weight 13900 kg
Maximum Operating Weight 13900 kg
Minimum Operating Weight 12400 kg
Swing
Swing Speed 10 r/min
Drive
Maximum Drawbar Pull 114 kN
Maximum Travel Speed - Low 3.6 km/h
Maximum Travel Speed 5.4 km/h
Maximum Travel Speed - High 5.4 km/h
Hydraulic System
Maximum Pressure - Travel 35 MPa
Maximum Pressure - Swing 23 MPa
Pilot System - Maximum Pressure 4120 kPa
Boom Cylinder - Bore 100 mm
Boom Cylinder - Stroke 1002 mm
Stick Cylinder - Bore 110 mm
Stick Cylinder - Stroke 1194 mm
Bucket Cylinder - Bore 100 mm
Bucket Cylinder - Stroke 939 mm
Main System - Maximum Flow - Total 125 × 2 L/min (33 × 2 gal/min)
Pilot System - Maximum Flow 21.9 L/min (1,336 in3/min)
Maximum Pressure - Equipment 30.5 MPa
Service Refill Capacities
Cooling System 18 l
Swing Drive - Each 3 l
Final Drive - Each 3 l
Hydraulic System - Including Tank 160 l
Hydraulic Tank 95 l
Engine Oil - With Filter 8 l
Fuel Tank Capacity 210 l
Sound
ISO 6395 - Spectator Noise 99 dB(A)
ISO 6396 - Operator Noise (Closed) 72 dB(A)
Track
Number of Track Rollers - Each Side 6 pieces
Number of Shoes - Each Side 43 pieces
Number of Carrier Rollers - Each Side 1 piece

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Net Power - ISO 9249 88 kW
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Engine Power - ISO 14396 91 kW
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Engine Model Cat 3064T
Flywheel Power 59 kW
Gross Power 63 kW
ISO 9249 59 kW
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Model Engine Cat 3064T Diesel Engine
Daya Flywheel 63 kW
Daya Kotor 68 kW
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Engine Model Cat C4.4 ACERT
Flywheel Power 88 kW
Bore 105 mm
Stroke 127 mm
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Engine Model 4M40E1
Flywheel Power 54 kW
Gross Power 55 kW
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Engine Model Cat® C4.4 ACERT™
Flywheel Power 85 kW
Bore 105 mm
Stroke 127 mm
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of

related attachment

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General Duty

General Duty Bucket 1000 mm (39 in): 591-0062
General Duty

General Duty Bucket 1050 mm (42 in): 594-7618
Performance Hammers

H115Es
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General Duty Bucket 450 mm (18 in): 571-2851

How to buy

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