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311F L RR Hydraulic Excavator
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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

Swing Mechanism

Swing Torque
22791 lb ft
Swing Speed
10 RPM

Weights

Operating Weight
28660 lb
Maximum Operating Weight
28660 lb
Minimum Operating Weight
*4.3 m (14'1") reach boom, 2.8 m (9'2") stick, 700 mm (28") track shoes, without blade. lb

Drive

Maximum Drawbar Pull
25696 lb
Maximum Travel Speed
3.4 mph

Engine

Engine Model
Cat® C3.4B
Flywheel Power
70 hp
Bore
3.90 in
Stroke
4.33 in
Displacement
207 in3
Gross Power - SAE J1995
74 hp
Net Power - SAE J1349
70 hp

Service Refill Capacities

Cooling System
2.4 gal
Final Drive (each)
0.79 gal
Hydraulic System (including tank)
42.3 gal
Hydraulic Tank
25.1 gal
Engine Oil (with filter)
2.1 gal
Fuel Tank Capacity
55.48 gal
Swing Drive
0.63 gal

Hydraulic System

Maximum Pressure - Travel
5076 psi
Maximum Pressure - Swing
3336 psi
Pilot System - Maximum Flow
5.8 gal/min
Pilot System - Maximum Pressure
598 psi
Main System - Maximum Flow (Total)
125 × 2 L/min (33 × 2 gal/min) gal/min
Maximum Pressure - Equipment
4424 psi

Sound Performance

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