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

Net Power - ISO 9249 71HP
Engine Model C3.4B
Engine Power - ISO 14396 74HP
Bore 3.9in
Stroke 4.33in
Displacement 207in³

Weights

Operating Weight 28660lb

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

Hydraulic System

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

Swing Mechanism

Swing Speed 10r/min
Maximum Swing Torque 22791ft·lbf

Service Refill Capacities

Fuel Tank Capacity 55.48gal (US)
Cooling System 2.4gal (US)
Engine Oil 2.1gal (US)
Swing Drive 0.63gal (US)
Final Drive - Each 0.79gal (US)
Hydraulic System - Including Tank 42.3gal (US)
Hydraulic Tank 25.1gal (US)

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

Standard Equipment

Optional Equipment

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