311F LRR

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Overview

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

Engine

Units:
Engine Model Cat® C3.4B Cat® C3.4B Less
Flywheel Power 71.0 hp 52.0 kW Less
Bore 3.9 in 99.0 mm Less
Stroke 4.3 in 110.0 mm Less
Displacement 207.5 in3 3.4 L Less
Gross Power – SAE J1995 (metric) 75.0 hp 55.0 kW Less
Maximum Gross Power – ISO 14396 (metric) 73.0 hp 54.0 kW Less
Net Power – ISO 14396 (metric) 73.0 hp 54.0 kW Less
Net Power – ISO 9249 (metric) 71.0 hp 52.0 kW Less

Weights

Operating Weight 30644.0 lb 13900.0 kg Less
Maximum Operating Weight 30644.0 lb 13900.0 kg Less
Minimum Operating Weight 27337.0 lb 12400.0 kg Less

Swing

Swing Speed 10.0 RPM 10.0 RPM Less
Swing Torque 22791.0 lb ft 30.9 kN·m Less

Drive

Maximum Drawbar Pull 25628.0 lb 114.0 kN Less
Maximum Travel Speed 3.4 mph 5.4 km/h Less
Maximum Travel Speed – High 3.4 mph 5.4 km/h Less
Maximum Travel Speed – Low 2.2 mph 3.6 km/h Less

Hydraulic System

Pilot System – Maximum Flow 5.8 gal/min 21.9 L/min Less
Pilot System – Maximum Pressure 598.0 psi 4120.0 kPa Less
Boom Cylinder – Bore 3.9 in 100.0 mm Less
Boom Cylinder – Stroke 39.5 in 1002.0 mm Less
Stick Cylinder – Bore 4.3 in 110.0 mm Less
Stick Cylinder – Stroke 47.0 in 1194.0 mm Less
Bucket Cylinder – Bore 3.9 in 100.0 mm Less
Bucket Cylinder – Stroke 37.0 in 939.0 mm Less
Main System – Maximum Flow (Total) 125 × 2 L/min (33 × 2 gal/min) 125 × 2 L/min (33 × 2 gal/min) Less
Maximum Pressure – Equipment 4424.0 psi 30.5 Mpa Less
Maximum Pressure – Swing 3336.0 psi 23.0 Mpa Less
Maximum Pressure – Travel 5076.0 psi 35.0 Mpa Less

Service Refill Capacities

Cooling System 4.8 gal 18.0 L Less
Swing Drive (each) 0.8 gal 3.0 L Less
Final Drive (each) 0.8 gal 3.0 L Less
Engine Oil (with filter) 2.1 gal 8.0 L Less
Fuel Tank Capacity 55.5 gal 210.0 L Less
Hydraulic System Oil (including tank) 42.3 gal 160.0 L Less
Hydraulic Tank Oil 25.1 gal 95.0 L Less

Sound

Exterior Sound Power Level (ISO 6395:2008)* 99.0 dB(A) 99.0 dB(A) Less
Note *European Union Directive “2000/14/EC” as amended by “2005/88/EC,” with the cooling fan speed set at 70% of maximum value. *European Union Directive “2000/14/EC” as amended by “2005/88/EC,” with the cooling fan speed set at 70% of maximum value. Less
Operator Sound Pressure Level (ISO 6396:2008) 72.0 dB(A) 72.0 dB(A) Less

Track

Number of Carrier Rollers (each side) 1 piece 1 piece Less
Number of Shoes (each side) 43 pieces 43 pieces Less
Number of Track Rollers (each side) 6 pieces 6 pieces Less

Reduced Radius

The right choice for your space-restricted work


Engine

Powerful and fuel efficient to meet your expectations


Hydraulics

Made to move your material with precision


Operator Station

Comfort and convenience to keep you productive


Structures and Undercarriage

Built to work in your tough utility applications


Front Linkage

Take on your far-reaching or up-close tasks


Attachments

Tools to make you productive and profitable


Integrated Technologies

Monitor, Manage, and Enhance Job Site Operations


Safety

Features to help protect you day in and day out


Serviceability

Designed to make your maintenance quick and easy


Complete Customer Care

Support you can count on


Sustainability

Generations ahead in every way


311F LRR Standard Equipment

CAB
  • • Pressurized operator station with positive filtration
  • • ROPS Cab
  • • Bolt-on FOGS capability
  • • Laminated glass front window, 70/30 split (tempered glass)
  • • Mirrors
  • • Sliding upper door window (left-hand cab door)
  • • Removable lower windshield with in cab storage bracket
  • • Windshield washer and radial wipers
  • • Interior lighting
  • • Sun Screen
  • • Coat hook
  • • Beverage holder
  • • Literature holder
  • • Ashtray for cup holder
  • • 24V Radio mounting
  • • Glass-breaking safety hammer
  • • 12V-2×10 amp power supply with two cigar lighter type sockets
  • • Two stereo speakers
  • • Storage shelf suitable for lunch or toolbox
  • • Color LCD display with indicators, filter/fluid change, and working hour information
  • • Neutral lever (lock out) for all controls
  • • Seat belt, 51 mm
  • • Adjustable armrest
  • • Height adjustable joystick consoles
  • • Travel control pedals with removable hand levers
  • • Capability of installing additional pedal

ENGINE
  • • C3.4B diesel engine
  • • EU Stage IIIB emission standards
  • • 2300 m altitude capability with no derate
  • • Biodiesel capable
  • • Two-speed travel
  • • Side-by-side cooling system
  • • Fixed fan
  • • Radial seal air filter
  • • Standard battery –18° C

HYDRAULIC SYSTEM
  • • Regeneration circuit for boom and stick
  • • Automatic swing parking brake
  • • High-performance hydraulic return filter
  • • Boom lowering and stick lowering check valves

ELECTRICAL
  • • Circuit breaker
  • • Time delay boom and cab lights

LIGHTS
  • • Working lights, cab mounted
  • • Halogen boom light (left and right sides)
  • • Time delay function for boom light and cab light

UNDERCARRIAGE
  • • Center track guiding guard
  • • Grease Lubricated Track GLT2
  • • Towing eye on base frame
  • • Bottom guards, standard
  • • Track motor guard

COUNTERWEIGHT
  • • 2450 kg counterweight

SAFETY AND SECURITY
  • • Cat one key security system
  • • Door locks
  • • Cap locks on fuel and hydraulic tanks
  • • Signaling/warning horn
  • • Secondary engine shutoff switch
  • • Rear window for emergency exit
  • • Guard rail and handrail
  • • Mirrors
  • • Rearview camera

TECHNOLOGY
  • • Product Link PL522

311F LRR Optional Equipment

CAB
  • • Seat, high-back air suspension with heater
  • • Seat, high-back mechanical suspension
  • • Rain protector

ELECTRICAL
  • • Cold weather battery –25° C
  • • Jump start receptacle
  • • Travel alarm
  • • Electric fuel refueling pump
  • • Cab light (halogen)

FRONT LINKAGE
  • • 4.3 m Reach boom (with BLCV/SLCV): – 2.8 m HD stick – 2.25 m HD stick
  • • Bucket linkage with lifting eye
  • • Universal Quick Coupler

HYDRAULIC SYSTEM
  • • Auxiliary hydraulics
  • • Boom and stick high-pressure lines
  • • Boom and stick medium-pressure lines
  • • Boom and stick Universal Quick Coupler lines
  • • Universal Quick Coupler circuit
  • • Cat Bio hydraulic oil

UNDERCARRIAGE
  • • 500 mm triple grouser shoes
  • • 500 mm rubber pads triple grouser shoes
  • • 600 mm triple grouser shoes
  • • 700 mm triple grouser shoes
  • • 770 mm triple grouser shoes
  • • 2500 mm blade with replaceable cutting edge
  • • 2700 mm blade with replaceable cutting edge
  • • Heavy duty bottom guard
  • • Swivel guard

SAFETY AND SECURITY
  • • FOGS, bolt-on
  • • Guard, cab front, mesh
  • • Security system fitted (MSS)

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Financing & Insurance

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