Caterpillar 312B Excavator

Category: Excavators (See all Excavators for sale)

Manufacturer: Caterpillar (See all Caterpillar Equipment for sale)

Model: 312B (See all Caterpillar 312B for sale)

Boom/Stick Excavator Option 1

Type

Standard Excavators

Max Cutting Height

27.1 ft

Max Digging Depth

16.9 ft

Max Loading Height

19.3 ft

Max Reach Along Ground

25.6 ft

Max Vertical Wall Digging Depth

14.6 ft

Boom/Stick Excavator Option 2

Max Cutting Height

27.9 ft

Max Digging Depth

18.3 ft

Max Loading Height

20 ft

Max Reach Along Ground

26.9 ft

Max Vertical Wall Digging Depth

16.4 ft

Shipping Height of Unit

9.1 ft

Shipping Length of Unit

25 ft

Boom/Stick Excavator Option 3

Max Cutting Height

28.6 ft

Max Digging Depth

19.9 ft

Max Loading Height

20.8 ft

Max Reach Along Ground

28.3 ft

Max Vertical Wall Digging Depth

17.6 ft

Shipping Height of Unit

9.1 ft

Shipping Length of Unit

25 ft

Bucket

Maximum Bucket Capacity

1.1 cu yd

Minimum Bucket Capacity

0.5 cu yd

Reference Bucket Capacity

0.6 cu yd

Dimensions

Ground Clearance

1.5 ft

Height - Top of Cab

9.1 ft

Length of Track on Ground

9.2 ft

Removal Counterweight Clearance

3.1 ft

Tail Swing Radius

7 ft

Width to Outside of Tracks

8.2 ft

DRIVE SYSTEM

Maximum Drawbar Pull

22930 lbs

Max Travel Speed

3.4 mph (5 kph)

Engine

Aspiration

Turbocharged

Bore

4.1 in

Displacement

259 cu in

Engine Model

Cat 3064T Diesel Engine

Flywheel Power

84 hp (63 kw)

Gross Power

91 hp (68 kw)

ISO 9249

84 hp (63 kw)

Net Power

84 hp (63 kw)

Power Measured @

1900 rpm

SAE J1349

84 hp (63 kw)

Stroke

5.2 in

Hydraulic System

Boom Cylinder - Bore

4.3 in

Boom Cylinder - Stroke

40 in

Bucket Cylinder - Bore

4 in

Bucket Cylinder - Stroke

37.5 in

Main Implement System - Maximum Flow (2x)

32 gpm

Maximum Pressure - Implements

4340 psi

Maximum Pressure - Swing

3340 psi

Maximum Pressure - Travel

4980 psi

Stick Cylinder - Bore

4.8 in

Stick Cylinder - Stroke

47 in

Operating Specifications

Alternator Supplied Amperage

50 amps

Cooling System Fluid Capacity

4.1 gal

Engine Oil Capacity

3.5 gal

Fuel Capacity

66.1 gal

Hydraulic Pump Flow Capacity

63.5 gpm

Hydraulic System Fluid Capacity

42.8 gal

Hydraulic System Relief Valve Pressure

4980 psi

Operating Voltage

24 volts

Operating Weight

27410 lbs

Swing Drive Fluid Capacity

0.8 gal

Service Refill Capacities

Cooling system

4.1 gal

Engine Oil

3.4 gal

Final Drive - Each

0.7 gal

Fuel Tank

66 gal

Hydraulic System - Including Tank

42.8 gal

Hydraulic Tank

25.9 gal

Swing Drive - Each

0.8 gal

Swing Mechanism

Swing Speed

12.3 rpm

Undercarriage

Drawbar Pull

22930 lbs

Ground Pressure

5.7 psi

Max Travel Speed

3.5 mph (5 kph)

Shoe Size

19.7 in

Track Gauge

6.6 ft

Weights

Operating Weight

28680 lbs