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Caterpillar 311C Excavator

The Caterpillar 311C excavator is a robust and efficient machine designed for a variety of digging and loading tasks. With options for different boom/stick configurations, this excavator offers impressive capabilities such as a maximum cutting height of 26.7 ft and a digging depth of 18.4 ft. Equipped with a turbocharged engine and a hydraulic system with a flow capacity of 28 gpm, the 311C ensures reliable performance on the job site. Additionally, its compact dimensions and manageable weight of 26,410 lbs make it a versatile choice for construction projects.


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General Specifications

Boom/Stick Excavator Option 1

Max Cutting Height26 ft (8 m)
Max Digging Depth17 ft (5 m)
Max Loading Height18 ft (5 m)
Max Reach Along Ground25 ft (8 m)
Max Vertical Wall Digging Depth15 ft (4 m)
Shipping Height of Unit9 ft (3 m)
Shipping Length of Unit23 ft (7 m)

Boom/Stick Excavator Option 2

Max Cutting Height27 ft (8 m)
Max Digging Depth18 ft (6 m)
Max Loading Height19 ft (6 m)
Max Reach Along Ground27 ft (8 m)
Max Vertical Wall Digging Depth16 ft (5 m)
Shipping Height of Unit9 ft (3 m)
Shipping Length of Unit23 ft (7 m)

Bucket

Maximum Bucket Capacity1 cu yd (1 cu m)
Minimum Bucket Capacity0 cu yd (0 cu m)
Reference Bucket Capacity1 cu yd (0 cu m)

Dimensions

Ground Clearance2 ft (0 m)
Height - Top of Cab9 ft (3 m)
Length of Track on Ground9 ft (3 m)
Tail Swing Radius6 ft (2 m)
Width to Outside of Tracks8 ft (2 m)

Engine

AspirationTurbocharged
Displacement259 cu in (4,244 cu cm)
Engine Model3064T
Gross Power82 hp (61 kw)
Net Power79 hp (59 kw)

Operating Specifications

Alternator Supplied Amperage45 amps
Cooling System Fluid Capacity5 gal (17 l)
Engine Oil Capacity5 gal (20 l)
Fuel Capacity52 gal (195 l)
Hydraulic Pump Flow Capacity28 gpm (106 lpm)
Hydraulic System Fluid Capacity42 gal (160 l)
Hydraulic System Relief Valve Pressure4340 psi
Operating Voltage24 volts
Operating Weight26,410 lbs (11,979 kg)
Swing Drive Fluid Capacity1 gal (3 l)

Swing Mechanism

Swing Speed10.6 rpm

Undercarriage

Drawbar Pull20,680 lbs (9,380 kg)
Ground Pressure6 psi
Max Travel Speed4 mph (6 kph)
Shoe Size20 in (51 cm)
Track Gauge7 ft (2 m)