Photos
Exterior View
If you want a machine with the power to match your jobs but owning and operating costs to fit your business, then the Cat® 311F L RR excavator is your answer. Its reduced radius will get you into some pretty tight spots, and its reasonable price and miserly fuel burn will help you operate on a tight budget.
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Specs
Engine
- Engine Model
- Cat® C3.4B
- Flywheel Power
- 70hp
- Bore
- 3.90in
- Stroke
- 4.33in
- Displacement
- 207in3
- Gross Power – SAE J1995
- 74hp
- Net Power – SAE J1349
- 70hp
- Note
- The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 0.9 kg of refrigerant which has a CO2 equivalent of 1.287 metric tonnes.
- Engine Model
- C3.4B
- Flywheel Power
- 70HP
- Bore
- 3.9in
- Stroke
- 4.33in
- Displacement
- 207in³
- Gross Power - SAE J1995
- 74HP
- Net Power - SAE J1349
- 70HP
- Note
- The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 0.9 kg of refrigerant which has a CO2 equivalent of 1.287 metric tonnes.
- Engine Power - ISO 9249
- 71HP
- Engine Power - ISO 14396
- 74HP
- Net Power - ISO 9249
- 71HP
Weights
- Operating Weight
- 28660lb
- Operating Weight
- 28660lb
Drive
- Maximum Drawbar Pull
- 25696lb
- Maximum Travel Speed – High
- 3.4mph
- Maximum Travel Speed – Low
- 2.2mph
- Maximum Drawbar Pull
- 25696lb
- Maximum Travel Speed - High
- 3.4mile/h
- Maximum Travel Speed - Low
- 2.2mile/h
Hydraulic System
- Maximum Pressure – Travel
- 5076psi
- Maximum Pressure – Swing
- 3336psi
- Pilot System – Maximum Flow
- 5.8gal/min
- Pilot System – Maximum Pressure
- 598psi
- Maximum Pressure – Equipment
- 4424psi
- Main System - Maximum Flow - Total
- 125 × 2 L/min (33 × 2 gal/min)
- Boom Cylinder – Bore
- 4in
- Boom Cylinder – Stroke
- 39in
- Stick Cylinder – Bore
- 4in
- Stick Cylinder – Stroke
- 47in
- Bucket Cylinder – Bore
- 4in
- Bucket Cylinder – Stroke
- 37in
- Maximum Pressure - Equipment
- 4424psi
- Maximum Pressure - Swing
- 3336psi
- Maximum Pressure - Travel
- 5076psi
- Pilot System - Maximum Flow
- 5.8gal/min
- Pilot System - Maximum Pressure
- 598psi
- Boom Cylinder - Bore
- 4in
- Boom Cylinder - Stroke
- 39in
- Bucket Cylinder - Bore
- 4in
- Bucket Cylinder - Stroke
- 37in
- Stick Cylinder - Bore
- 4in
- Stick Cylinder - Stroke
- 47in
- Main System - Maximum Flow
- 125 × 2 L/min (33 × 2 gal/min)
Service Refill Capacities
- Cooling System
- 2.4gal
- Final Drive (each)
- 0.79gal
- Hydraulic System (including tank)
- 42.3gal
- Hydraulic Tank
- 25.1gal
- Engine Oil (with filter)
- 2.1gal
- Fuel Tank Capacity
- 55.48gal
- Swing Drive (each)
- 0.63gal
- Cooling System
- 2.4gal (US)
- Swing Drive - Each
- 0.63gal (US)
- Final Drive - Each
- 0.79gal (US)
- Hydraulic System - Including Tank
- 42.3gal (US)
- Hydraulic Tank
- 25.1gal (US)
- Engine Oil - With Filter
- 2.1gal (US)
- Fuel Tank Capacity
- 55.48gal (US)
- Engine Oil
- 2.1gal (US)
- Swing Drive
- 0.63gal (US)
Machine Weight
- Operating Weight*
- 28660lb
- Note
- *4.3 m (14'1") reach boom, 2.8 m (9'2") stick, 700 mm (28") track shoes, without blade.
- Note
- *4.3 m (14'1") reach boom, 2.8 m (9'2") stick, 700 mm (28") track shoes, without blade.
- Operating Weight*
- 28660lb
Sound
- ISO 6395 – Spectator Noise
- 99dB(A)
- ISO 6396 - Operator Noise (Closed)
- 72dB(A)
- ISO 6395 - Spectator Noise
- 99dB(A)
Swing
- Swing Torque
- 22791ft·lbf
- Swing Speed
- 10r/min
Dimensions: Reach Boom – 4.3 m (14'1"); R2.8 m (9'2") Stick
- Shipping Height
- 9.25ft
- Shipping Height at Boom Top
- 9.08ft
- Handrail Height
- 9.25ft
- Shipping Length – Long Undercarriage
- 22.67ft
- Shipping Length – Long Undercarriage with Blade
- 24.67ft
- Tail Swing Radius
- 5.75ft
- Length to Center of Rollers
- 9.08ft
- Track Length
- 11.42ft
- Ground Clearance
- 1.42ft
- Track Gauge
- 6.50ft
- Transport Width – 700 mm (28") Shoes
- 8.75ft
- Cab Height
- 9.08ft
Working Ranges: Reach Boom – 4.3 m (14'1"); R2.8 m (9'2") Stick
- Maximum Digging Depth
- 18.33ft
- Maximum Reach at Ground Level
- 26.58ft
- Maximum Cutting Height
- 26.67ft
- Maximum Loading Height
- 18.92ft
- Minimum Loading Height
- 4.33ft
- Maximum Depth Cut for 2440 mm (8'0") Level Bottom
- 16.33ft
- Maximum Vertical Wall Digging Depth
- 16.00ft
Track
- 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 Carrier Rollers - Each Side
- 1 piece
- Number of Shoes - Each Side
- 43 pieces
- Number of Track Rollers - Each Side
- 6 pieces
Dimensions - Reach Boom - 4.3 m (14'1
- Cab Height - With Top Guard
- 9.5ft
- Counterweight Clearance
- 3ft
- Cab Height
- 9.08ft
- Ground Clearance
- 1.42ft
- Handrail Height
- 9.25ft
- Length - Center of Rollers
- 9.08ft
- Shipping Height
- 9.25ft
- Shipping Height - Top of Boom
- 9.08ft
- Shipping Length - Long Undercarriage
- 22.67ft
- Shipping Length - Long Undercarriage with Blade
- 24.67ft
- Tail Swing Radius
- 5.75ft
- Track Gauge
- 6.5ft
- Track Length
- 11.42ft
- Transport Width - 700 mm (28 in) Shoes
- 8.75ft
Working Ranges - Reach Boom - 4.3 m (14'1
- Maximum Cutting Height
- 26.67ft
- Maximum Digging Depth
- 18.33ft
- Maximum Loading Height
- 18.92ft
- Maximum Reach - Ground Level
- 26.58ft
- Maximum Vertical Wall Digging Depth
- 16ft
- Minimum Loading Height
- 4.33ft
Dimensions
- Maximum Depth Cut for 2440 mm (8'0") Level Bottom
- 16.33ft
Swing Mechanism
- Swing Speed
- 10r/min
- Maximum Swing Torque
- 22791ft·lbf
Dimensions
- Boom
- 4.3 m (14'1" ft)
- Stick
- R2.8 m (9'2")
- Bucket
- GD 0.53 m3 (0.69 yd3)
- Shipping Height - Top of Cab
- 9.08ft
- Handrail Height
- 9.25ft
- Shipping Length
- 22.67ft
- Shipping Length - with Blade
- 24.67ft
- Tail Swing Radius
- 5.75ft
- Counterweight Clearance
- 3ft
- Ground Clearance
- 1.42ft
- Track Length
- 11.42ft
- Length to Center of Rollers
- 9.08ft
- Track Gauge
- 6.5ft
- Transport Width
- 8.75ft
Working Ranges
- Maximum Digging Depth
- 18.33ft
- Boom
- 4.3 m (14'1" ft)
- Stick
- R2.8 m (9'2")
- Bucket
- GD 0.53 m3 (0.69 yd3)
- Maximum Reach at Ground Level
- 26.58ft
- Maximum Cutting Height
- 26.67ft
- Maximum Loading Height
- 18.92ft
- Minimum Loading Height
- 4.33ft
- Maximum Vertical Wall Digging Depth
- 16ft
- Bucket Digging Force (ISO)
- 20007lbf
- Stick Digging Force (ISO)
- 11690lbf
Features
MOVE MORE WITH LESS FUEL
- The C3.4B U.S. EPA Tier 4 Final/EU Stage IV engine burns up to 14% less fuel than the model it replaces, the 311D.
- The engine is equipped to run on up to B20 biodiesel fuel.
- Two power modes, high power and eco mode, help operators manage fuel consumption.
- Auto engine idle shutdown saves fuel, reduces emissions, and extends service intervals.
- The C3.4B U.S. EPA Tier 4 Final/EU Stage IV engine burns up to 14% less fuel than the model it replaces, the 311D.
- The engine is equipped to run on up to B20 biodiesel fuel.
- Two power modes, high power and eco mode, help operators manage fuel consumption.
- Auto engine idle shutdown saves fuel, reduces emissions, and extends service intervals.
EXPAND YOUR CAPABILITIES
- Reduced radius is ideal for work in space-restricted areas.
- Site prep and finishing work are quick and easy with a wide range of Cat work tools.
- Utility work is fast and flawless with a Cat bucket and compactor.
- A coupler lets you swap between attachments in seconds without leaving the cab.
- See the whole money-making attachment line for your machine at www.cat.com/attachments.
- Reduced radius is ideal for work in space-restricted areas.
- Site prep and finishing work are quick and easy with a wide range of Cat work tools.
- Utility work is fast and flawless with a Cat bucket and compactor.
- A coupler lets you swap between attachments in seconds without leaving the cab.
- See the whole money-making attachment line for your machine at www.cat.com/attachments.
DESIGNED FOR OPERATORS
- The roll-over protective structure (ROPS) certified cab is quiet and comfortable.
- Automatic climate control helps maintain consistent cab temperature.
- Joystick consoles and armrests are adjustable.
- Seats are adjustable and feature air suspension and heated and cooled options.
- The LCD monitor is easy to navigate and programmable in 42 languages.
- The roll-over protective structure (ROPS) certified cab is quiet and comfortable.
- Automatic climate control helps maintain consistent cab temperature.
- Joystick consoles and armrests are adjustable.
- Seats are adjustable and feature air suspension and heated and cooled options.
- The LCD monitor is easy to navigate and programmable in 42 languages.
BUILT TO PERFORM
- Booms and sticks are built with baffle plates for enhanced service life.
- Box-section structures with multi-plate fabrications, castings, and forgings are used in high-stress areas.
- Greased track link between pins and bushings increases undercarriage life and reduces noise.
- Booms and sticks are built with baffle plates for enhanced service life.
- Box-section structures with multi-plate fabrications, castings, and forgings are used in high-stress areas.
- Greased track link between pins and bushings increases undercarriage life and reduces noise.
SAVE ON SERVICE AND MAINTENANCE
- Many routine service and maintenance points can be accessed from ground level reducing the time taken to check and service your machine.
- Service doors are designed to prevent debris entry and to make access to fluid taps and filters easy.
- The cooling package is designed to prevent plugging and has wide clearance to help make blowing off debris easy.
- Many routine service and maintenance points can be accessed from ground level reducing the time taken to check and service your machine.
- Service doors are designed to prevent debris entry and to make access to fluid taps and filters easy.
- The cooling package is designed to prevent plugging and has wide clearance to help make blowing off debris easy.
ENSURING A SAFE JOB SITE
- The side-view camera is offered to enhance visibility on the boom side of the machine to help make operators more effective and efficient.*
* Regulation requirement for Europe only.
- The side-view camera is offered to enhance visibility on the boom side of the machine to help make operators more effective and efficient.*
* Regulation requirement for Europe only.
EFFICIENCY THROUGH TECHNOLOGY
- Cat technology improves job site efficiency.
- Product Link™ system connects owners to their equipment, providing access to machine data such as location, hours, fuel consumption, idle time, events, and diagnostic codes.
- Cat technology improves job site efficiency.
- Product Link™ system connects owners to their equipment, providing access to machine data such as location, hours, fuel consumption, idle time, events, and diagnostic codes.
