Caterpillar 311B Excavator

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)
Ask A Question