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311D LRR

Small Excavators

Achieve high productivity and lower operating costs with the Cat® 311D LRR Hydraulic Excavator. Unmatched versatility, controllability, easy operation and a comfortable, redesigned operator station help make the 311D LRR an industry-leading performer.

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Engine Model Cat® C4.2 ACERT™
Flywheel Power 60 kW
Gross Power 64 kW
ISO 9249 60 kW
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311D LRR
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FEATURES & BENEFITS

Operator Station

Experience a spacious, quiet and comfortable operator station. The cab is pressurized to reduce the amount of dust that enters the cab, keeping the operator comfortable t... Read more

Engine

The Cat® C4.2 engine with ACERT™ Technology optimizes performance and meets U.S. EPA Tier 3 and EU Stage IIIA regulations. In conjunction with integrated electronics, ACE... Read more

Hydraulics

Outstanding PerformanceWith two percent more hydraulic pressure for additional lift and breakout forces, the 311D LRR hydraulic system is designed for high efficiency and... Read more

Undercarriage and Structures

Caterpillar uses advanced engineering and software to analyze all structures, creating a durable, reliable machine for the toughest applications. More than 70 percent of... Read more

Front Linkage

Built for performance and long service life, Cat booms and sticks are welded, box-section structures with thick multi-plate high strength steel fabrications. Service inte... Read more

Versatility

Work ToolsCaterpillar offers a variety of work tools, including hammers, thumbs, grapples, multi, shears, pulverizers and vibratory compactors to fit your application nee... Read more

Serviceability

Designed with the service technician in mind, many service locations are at ground level so critical maintenance can be done quickly and efficiently. Longer maintenance i... Read more

Technology Products

AccuGrade™ SystemsAccuGrade™ Grade Control Systems are easy to use and deliver a wide range of benefits to customers, including: Increased productivity Increased job-sit... Read more

Customer Support

Make detailed comparisons of the machine you are considering before you buy with estimates of component life, preventive maintenance and the true cost of production. Cus... Read more

SPECIFICATIONS FOR 311D LRR

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Engine
Engine Model Cat® C4.2 ACERT™
Flywheel Power 60 kW
Gross Power 64 kW
ISO 9249 60 kW
SAE J1349 60 kW
Bore 102 mm
Stroke 130 mm
Displacement 4.25 l
Net Power - SAE J1349 60 kW
Weights
Operating Weight 12480 kg
Operating Weight - Long Undercarriage 12480 kg
Swing Mechanism
Swing Torque 30900 kN·m
Swing Speed 11.4 r/min
Drive
Maximum Drawbar Pull 114 kN
Travel Speed 5.1 km/h
Hydraulic System
Main Implement System - Maximum Flow (2x) 117 l/min
Maximum Pressure - Implements 30500 kPa
Maximum Pressure - Travel 35000 kPa
Maximum Pressure - Swing 23000 kPa
Pilot System - Maximum Flow 23 l/min
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
Service Refill Capacities
Fuel Tank 210 l
Cooling System 18 l
Engine Oil 19 l
Swing Drive - Each 3 l
Final Drive - Each 3 l
Hydraulic System - Including Tank 145 l
Hydraulic Tank 78 l
Standards
Cab/FOGS SAE J1356 FEB88/ISO 10262
Sound
Performance ANSI/SAE J1166 OCT 98
Dimensions
Transport Width 2590 mm
Counterweight Clearance 910 mm
Shipping Height 2860 mm
Length - Center of Rollers 2780 mm

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Engine Model Cat C4.4 ACERT
Flywheel Power 70 kW
Bore 105 mm
Stroke 127 mm
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Engine Model Cat® C3.4B
Flywheel Power 52 kW
Bore 99 mm
Stroke 110 mm
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Net Power - ISO 9249 71.2 kW
Engine Model Cat C3.6
Engine Power - ISO 14396 74.4 kW
Bore 98 mm
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315D L

Engine Model Cat® C4.2 ACERT™
Flywheel Power 86 kW
Gross Power 91 kW
ISO 9249 86 kW
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311D LRR

Engine Model Cat® C4.2 ACERT™
Flywheel Power 60 kW
Gross Power 64 kW
ISO 9249 60 kW
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314E L CR

Engine Model Cat® C4.4 ACERT™
Flywheel Power 67 kW
Bore 105 mm
Stroke 127 mm
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Engine Model Cat® 3064T
Flywheel Power 67 kW
Gross Power 70 kW
ISO 9249 67 kW
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Carries CAL TEST

Engine Model 3054C
Flywheel Power 67 kW
Bore 105 mm
Stroke 127 mm
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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
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How to buy

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