311F LRR

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


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


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


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


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


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


Powerful and fuel efficient to meet your expectations


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


Tools to make you productive and profitable

Integrated Technologies

Monitor, Manage, and Enhance Job Site Operations


Features to help protect you day in and day out


Designed to make your maintenance quick and easy

Complete Customer Care

Support you can count on


Generations ahead in every way

311F LRR Standard Equipment

  • 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

  • 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

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

  • Circuit breaker
  • Time delay boom and cab lights

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

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

  • 2450 kg counterweight

  • 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

  • Product Link PL522

311F LRR Optional Equipment

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

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

  • 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

  • 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

  • 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

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

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