311F L RR Hydraulic Excavator

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

Product 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.

Weights

Operating Weight
28660lb

Drive

Maximum Drawbar Pull
25696lb
Maximum Travel Speed – High
3.4mph
Maximum Travel Speed – Low
2.2mph

Swing

Swing Torque
22791lbf-ft
Swing Speed
10rpm

Hydraulic System

Maximum Pressure – Travel
5076psi
Maximum Pressure – Swing
3336psi
Pilot System – Maximum Flow
5.8gal/min
Pilot System – Maximum Pressure
598psi
Main System – Maximum Flow (Total)
125 × 2 L/min (33 × 2 gal/min)
Maximum Pressure – Equipment
4424psi
Boom Cylinder – Bore
4in
Boom Cylinder – Stroke
39in
Stick Cylinder – Bore
4in
Stick Cylinder – Stroke
47in
Bucket Cylinder – Bore
4in
Bucket Cylinder – Stroke
37in

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

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.

Sound

ISO 6396 – Operator Noise (Closed)
72dB(A)
ISO 6395 – Spectator Noise
99dB(A)

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
Cab Height with Top Guard
9.50ft
Counterweight Clearance
3.00ft

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