Categories ↠ Excavators ↠ Caterpillar 311B

Caterpillar 311B Excavator

Category: Excavators ➔
Manufacturer: Caterpillar ➔
Model: 311B ➔

The Caterpillar 311B Excavator boasts impressive performance and capabilities ideal for various excavation tasks. With options for different boom/stick configurations, this machine offers exceptional cutting height, digging depth, loading height, reach along the ground, and vertical wall digging depth. Equipped with a powerful engine, efficient hydraulic system, and a spacious cab for operator comfort, the 311B ensures productivity and reliability on job sites. Whether tackling construction projects or industrial jobs, this excavator delivers the power and precision required to get the job done efficiently.

See all Caterpillar 311Bs for sale

Boom/Stick Excavator Option 1

Max Cutting Height	25 ft (8 m)
Max Digging Depth	16 ft (5 m)
Max Loading Height	17 ft (5 m)
Max Reach Along Ground	24 ft (7 m)
Max Vertical Wall Digging Depth	14 ft (4 m)

Boom/Stick Excavator Option 2

Max Cutting Height	26 ft (8 m)
Max Digging Depth	17 ft (5 m)
Max Loading Height	18 ft (5 m)
Max Reach Along Ground	25 ft (8 m)
Max Vertical Wall Digging Depth	15 ft (4 m)
Shipping Height of Unit	9 ft (3 m)
Shipping Length of Unit	24 ft (7 m)

Boom/Stick Excavator Option 3

Max Cutting Height	27 ft (8 m)
Max Digging Depth	18 ft (6 m)
Max Loading Height	19 ft (6 m)
Max Reach Along Ground	27 ft (8 m)
Max Vertical Wall Digging Depth	16 ft (5 m)
Shipping Height of Unit	9 ft (3 m)
Shipping Length of Unit	24 ft (7 m)

Bucket

Maximum Bucket Capacity	1 cu yd (1 cu m)
Minimum Bucket Capacity	1 cu yd (0 cu m)
Reference Bucket Capacity	1 cu yd (0 cu m)

Dimensions

Ground Clearance	2 ft (0 m)
Height - Top of Cab	9 ft (3 m)
Length of Track on Ground	9 ft (3 m)
Removal Counterweight Clearance	3 ft (1 m)
Tail Swing Radius	7 ft (2 m)
Width to Outside of Tracks	8 ft (2 m)

DRIVE SYSTEM

Maximum Drawbar Pull	20,720 lbs (9,398 kg)
Travel Speed	3 mph (5 kph)

Engine

Aspiration	Turbocharged
Bore	4 in (10 cm)
Displacement	259 cu in (4,244 cu cm)
Engine Model	Cat 3064T
Flywheel Power	79 hp (59 kw)
Gross Power	85 hp (63 kw)
ISO 9249	79 hp (59 kw)
Net Power	79 hp (59 kw)
Power Measured @	1800 rpm
SAE J1349	78 hp (58 kw)
Stroke	5 in (13 cm)

Hydraulic System

Boom Cylinder - Bore	4 in (10 cm)
Boom Cylinder - Stroke	40 in (102 cm)
Bucket Cylinder - Bore	4 in (10 cm)
Bucket Cylinder - Stroke	37 in (94 cm)
Main Implement System - Maximum Flow (2x)	28 gpm (106 lpm)
Maximum Pressure - Implements	4340 psi
Maximum Pressure - Swing	3340 psi
Maximum Pressure - Travel	4980 psi
Stick Cylinder - Bore	4 in (11 cm)
Stick Cylinder - Stroke	47 in (119 cm)

Operating Specifications

Alternator Supplied Amperage	50 amps
Cooling System Fluid Capacity	4 gal (16 l)
Engine Oil Capacity	4 gal (13 l)
Fuel Capacity	66 gal (250 l)
Hydraulic Pump Flow Capacity	57 gpm (216 lpm)
Hydraulic System Fluid Capacity	42 gal (157 l)
Hydraulic System Relief Valve Pressure	4980 psi
Operating Voltage	24 volts
Operating Weight	24,527 lbs (11,125 kg)
Swing Drive Fluid Capacity	1 gal (3 l)

Service Refill Capacities

Cooling System	4 gal (16 l)
Engine Oil	3 gal (13 l)
Final Drive - Each	1 gal (3 l)
Fuel Tank	66 gal (250 l)
Hydraulic System - Including Tank	42 gal (157 l)
Hydraulic Tank	26 gal (98 l)
Swing Drive - Each	1 gal (3 l)

Swing Mechanism

Swing Speed

10.8 rpm

Undercarriage

Drawbar Pull	20,720 lbs (9,398 kg)
Ground Pressure	5.6 psi
Max Travel Speed	4 mph (6 kph)
Shoe Size	20 in (50 cm)
Track Gauge	7 ft (2 m)

Weights

Operating Weight

27,680 lbs (12,555 kg)

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