311F L RR Hydraulic Excavator

Photos

Engine Model
Cat® C3.4B
Flywheel Power
70 hp
Operating Weight
28660 lb
Maximum Drawbar Pull
25696 lb

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.

Standard Equipment

Optional Equipment