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311F L RR Hydraulic Excavator

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

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Product Specs

Engine

Engine Model
Cat® C3.4B
Engine Model
Cat® C3.4B
Flywheel Power
70.0 hp
Flywheel Power
70 mm H2O
Bore
3.9 in
Bore
3.9 in
Stroke
4.33 in
Stroke
4.33 in
Displacement
207.0 in3
Displacement
207 in³
Engine Power - ISO 14396
72.0 hp
Net Power (SAE J1349/ISO 9249)
70.0 hp
Engine Power - ISO 14396
72 mm H2O
Net Power - SAE J1349/ISO 9249
70 mm H2O

Weights

Operating Weight
30600.0 lb
Operating Weight
30600 lb
Maximum Operating Weight
30600.0 lb
Minimum Operating Weight
27300 lb
Maximum Operating Weight
30600 lb

Drive

Maximum Drawbar Pull
25700.0 lb
Maximum Drawbar Pull
25700 lb
Maximum Travel Speed
3.4 mph
Maximum Travel Speed - High
3.4 mph
Maximum Travel Speed - Low
2.2 mph
Maximum Travel Speed
3.4 mile/h
Maximum Travel Speed - High
3.4 mile/h
Maximum Travel Speed - Low
2.2 mile/h

Hydraulic System

Pilot System - Maximum Pressure
598.0 psi
Pilot System - Maximum Pressure
598 psi
Boom Cylinder - Bore
4.0 in
Boom Cylinder - Bore
4 in
Boom Cylinder - Stroke
39.0 in
Boom Cylinder - Stroke
39 in
Stick Cylinder - Bore
4.0 in
Stick Cylinder - Bore
4 in
Stick Cylinder - Stroke
47.0 in
Stick Cylinder - Stroke
47 in
Bucket Cylinder - Bore
4 in
Bucket Cylinder - Stroke
37 in
Main System - Maximum Flow (Total)
125 × 2 L/min (33 × 2 gal/min)
Maximum Pressure - Equipment
4424.0 psi
Maximum Pressure - Swing
3336.0 psi
Maximum Pressure - Travel
5076.0 psi
Pilot System - Maximum Flow
21.9 L/min (1,336 in3/min)
Main System - Maximum Flow - Total
125 × 2 L/min (33 × 2 gal/min)
Maximum Pressure - Equipment
4424 psi
Maximum Pressure - Swing
3336 psi
Maximum Pressure - Travel
5076 psi

Service Refill Capacities

Cooling System
4.76 gal
Cooling System
4.76 gal (US)
Swing Drive (each)
0.79 gal
Swing Drive - Each
0.79 gal (US)
Final Drive (each)
0.79 gal
Final Drive - Each
0.79 gal (US)
Hydraulic System (including tank)
42.3 gal
Hydraulic System - Including Tank
42.3 gal (US)
Hydraulic Tank
25.1 gal
Hydraulic Tank
25.1 gal (US)
Engine Oil (with filter)
2.1 gal
Fuel Tank Capacity
55.48 gal
Engine Oil - With Filter
2.1 gal (US)
Fuel Tank Capacity
55.48 gal (US)

Sound

ISO 6395 - Spectator Noise
99.0 dB(A)
ISO 6396 - Operator Noise (Closed)
72.0 dB(A)
ISO 6395 - Spectator Noise
99 dB(A)
ISO 6396 - Operator Noise (Closed)
72 dB(A)

Track

Number of Carrier Rollers (each side)
1 piece
Number of Shoes (each side)
43 pieces
Number of Track Rollers (each side)
6 pieces
Number of Carrier Rollers - Each Side
1 piece
Number of Shoes - Each Side
43 pieces
Number of Track Rollers - Each Side
6 pieces

Swing

Swing Speed
10.0 RPM
Swing Torque
22791.0 lb ft
Swing Speed
10 r/min
Swing Torque
22791 lb/ft

Standard Equipment

  • Cab
    • Pressurized operator station with positive filtration
    • Sliding upper door window (left-hand cab door)
    • Adjustable high-back, heated seat with air suspension
    • Removable lower windshield with in cab storage bracket
    • Coat hook
    • Beverage holder
    • Literature holder
    • Radio Ready (24V)
    • Two stereo speakers
    • Storage shelf suitable for lunch or toolbox
    • Color LCD display with indicators, filter/fluid change, and working hour information
    • Adjustable armrest
    • Height adjustable joystick consoles
    • Neutral lever (lock out) for all controls
    • Travel control pedals with removable hand levers
    • Capability of installing additional pedal
    • Two power outlets, 10 amp (total)
    • Travel alarm
    • Laminated glass front upper window and tempered other windows
    • Level sensor
  • Counterweight
    • Ashtray
    • 2.45 mt (2.7 t) without lifting eye
  • Electrical
    • 80 amp alternator
    • Circuit breaker
    • Capability to electrically connect a beacon
  • Engine
    • C3.4B diesel engine
    • Biodiesel capable
    • Meets EPA Tier 4 Final, EU Stage IIIB, and Japan 2014 (Tier 4 Final) emission standards
    • 2300 m (7,500 ft) altitude capability
    • Manual priming pump
    • Automatic engine speed control
    • Economy and high power modes
    • Two-speed travel
    • Side-by-side cooling system
    • Radial seal air filter
    • Primary filter with water separator and water separator indicator
    • Secondary filter
    • Standard battery -18° C (0° F)
  • Hydraulic System
    • Regeneration circuit for boom and stick
    • Reverse swing dampening valve
    • Automatic swing parking brake
    • High-performance hydraulic return filter
  • Lights
    • Halogen boom light (left side)
    • Time delay function for boom light and cab light
    • Exterior light
  • Undercarriage
    • Center track guiding guard
    • Grease Lubricated Track GLT2, resin seal
    • Towing eye on base frame
  • Security
    • Cat one key security system
    • Door locks
    • Cap locks on fuel and hydraulic tanks
    • Lockable external tool/storage box
    • Signaling/warning horn
    • Secondary engine shutoff switch
    • Openable skylight for emergency exit
    • Rearview camera

Attachments

  • Cab
    • Straight travel pedal
    • Sunscreen
  • Engine
    • Jump start receptacle
  • Front Linkage
    • Quick coupler
    • Bucket linkage
    • 4.3 m (14'1") reach boom
    • 2.25 m (7'5") reach stick
    • 2.8 m (9'2") reach stick
  • Hydraulic System
    • Control pattern quick-changer, two way
    • Auxiliary hydraulics
    • Boom and stick lines
    • High-pressure line
    • Medium-pressure line
    • Quick coupler line
    • Boom lowering and stick lowering control valve
  • Security
    • FOGS, bolt-on
    • Guard, cab front, mesh
    • Guard, vandalism
    • Side steel bumper
    • Security system fitted (MSS)
    • Bottom guards, heavy duty
  • Technology
    • Product Link
  • Lights
    • Working light, cab mounted with time delay
    • Halogen boom lights (right side)
  • Undercarriage
    • 500 mm (20") triple grouser shoes
    • 600 mm (24") triple grouser shoes
    • 700 mm (28") triple grouser shoes
    • 770 mm (30") triple grouser shoes
    • Rubber pad for 500 mm (20") triple grouser shoes
    • 2500 mm (8'2") blade with replaceable cutting edge
    • 2600 mm (8'6") blade with replaceable cutting edge
    • 2700 mm (8'10") blade with replaceable cutting edge
    • Swivel guard
    • Track guiding guard

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