311F L RR Hydraulic Excavator

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Product Description

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.

Specifications
Us
Metric
Engine
Engine Model
Cat® C3.4B
Flywheel Power
70 hp
52 kW
Bore
3.90 in
99 mm
Stroke
4.33 in
110 mm
Displacement
207 in3
3.4 L
Gross Power – SAE J1995
74 hp
55 kW
Net Power – SAE J1349
70 hp
52 kW
Weights
Operating Weight
28660 lb
13000 kg
Machine Weight
Operating Weight*
28660 lb
13000 kg
Note
*4.3 m (14'1") reach boom, 2.8 m (9'2") stick, 700 mm (28") track shoes, without blade.
Drive
Maximum Drawbar Pull
25696 lb
114.3 kN
Maximum Travel Speed – High
3.4 mph
5.4 km/h
Swing
Swing Torque
22791 lbf-ft
30.9 kN·m
Swing Speed
10 rpm
10 rpm
Hydraulic System
Maximum Pressure – Travel
5076 psi
35 MPa
Maximum Pressure – Swing
3336 psi
23 MPa
Pilot System – Maximum Flow
5.8 gal/min
21.9 L/min
Pilot System – Maximum Pressure
598 psi
4120 kPa
Main System – Maximum Flow (Total)
125 × 2 L/min (33 × 2 gal/min)
Maximum Pressure – Equipment
4424 psi
30.5 MPa
Service Refill Capacities
Cooling System
2.4 gal
9 L
Final Drive (each)
0.79 gal
3 L
Hydraulic System (including tank)
42.3 gal
160 L
Hydraulic Tank
25.1 gal
95 L
Engine Oil (with filter)
2.1 gal
8 L
Fuel Tank Capacity
55.48 gal
210 L
Swing Drive (each)
0.63 gal
2.4 L
Sound
ISO 6396 – Operator Noise (Closed)
72 dB(A)
72 dB(A)
ISO 6395 – Spectator Noise
99 dB(A)
99 dB(A)
Dimensions: Reach Boom – 4.3 m (14'1"); R2.8 m (9'2") Stick
Shipping Height
9.25 ft
2820 mm
Shipping Height at Boom Top
9.08 ft
2760 mm
Handrail Height
9.25 ft
2820 mm
Shipping Length – Long Undercarriage
22.67 ft
6920 mm
Shipping Length – Long Undercarriage with Blade
24.67 ft
7540 mm
Tail Swing Radius
5.75 ft
1750 mm
Length to Center of Rollers
9.08 ft
2780 mm
Track Length
11.42 ft
3490 mm
Ground Clearance
1.42 ft
440 mm
Track Gauge
6.50 ft
1990 mm
Transport Width – 700 mm (28") Shoes
8.75 ft
2690 mm
Cab Height
9.08 ft
2760 mm
Working Ranges: Reach Boom – 4.3 m (14'1"); R2.8 m (9'2") Stick
Maximum Digging Depth
18.33 ft
5590 mm
Maximum Reach at Ground Level
26.58 ft
8100 mm
Maximum Cutting Height
26.67 ft
8140 mm
Maximum Loading Height
18.92 ft
5770 mm
Minimum Loading Height
4.33 ft
1330 mm
Maximum Depth Cut for 2440 mm (8'0") Level Bottom
16.33 ft
4990 mm
Maximum Vertical Wall Digging Depth
16.00 ft
4880 mm
Drive
Maximum Travel Speed – Low
2.2 mph
3.6 km/h
Hydraulic System
Boom Cylinder – Bore
4 in
100 mm
Boom Cylinder – Stroke
39 in
1002 mm
Stick Cylinder – Bore
4 in
110 mm
Stick Cylinder – Stroke
47 in
1194 mm
Bucket Cylinder – Bore
4 in
100 mm
Bucket Cylinder – Stroke
37 in
939 mm
Track
Number of Shoes (each side)
43 pieces
Number of Track Rollers (each side)
6 pieces
Number of Carrier Rollers (each side)
1 piece
Dimensions: Reach Boom – 4.3 m (14'1"); R2.8 m (9'2") Stick
Cab Height with Top Guard
9.50 ft
2920 mm
Counterweight Clearance
3.00 ft
915 mm
Engine
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.
Standard/Optional

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