Caterpillar 308E2 CR Hydraulic Excavator

Specifications

Undercarriage specs

Track Gauge

6.53ft in

Drawbar Pull

20720lb

Pressure exerted on the ground by the tires or tracks:

5.51psi

Max Travel Speed

3.42mph

Specifications

Swing System

Machine Swing Speed

11rpm

Note

Automatic swing break, spring applied, hydraulic release.

Boom Swing – Left

60 degrees

Engine specifications

How many cylinders does an engine have?

4

Brand

2236

Model

C3.3B

Full engine power

66.6hp

Clear engine power

65hp

Revolutions Per Minute

2400rpm

Engine displacement

203.2cu in

Engine construction

Turbo

Cylinder bore is the diameter of each cylinder

3.7in

Stroke length engine

4.7in

Emissions

Meets U.S. EPA Tier 4 Final and EU Stage IIIB emission standards.

Net Power – Iso 9249

65hp

Model

Cat C3.3B

Gross Power – Iso 14396

66.6hp

Rated Net Power – 2,400 Rpm – Iso 9249/Eec 80/1269

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65hp

Functional specifications

Basic weight of a machine

18519lb

Standart fuel tank capacities

33gal

Coolant system fluid capacity:

3.7gal

Hydraulic liquid capacity in hydraulic machinery

21.7gal

How much oil does a vehicle need:

3gal

Swing Mechanism

Swing Speed

11rpm

Weights

Basic weight of a machine

18519lb

Note (1)

Weight with rubber tracks, bucket, operator (75 kg/165 lb), full fuel and auxiliary lines.

Note (2)

Weight varies depending on machine configuration.

Operating Weight – With Cab

18519lb

Buckets

Minimum Bucket Capacity

0.5yd3

Maximum Bucket Capacity

1.1yd3

Blade

Base blade width:

7.7ft in

Blade Height

17.8in

Height

17.7in

Width

7.7ft in

Hydraulic System specifications

Note

Load sensing hydraulics with variable displacement piston pump.

Blade

Lift Height

15in

Dig Depth

14.2in

Hydraulic System specifications

Operating Pressure – Swing

3481 psi

Operating Pressure – Equipment

4061 psi

Operating Pressure – Travel

4061 psi

Digging Force – Stick – Standard

9015lb

Digging Force – Stick – Long

7891lb

Digging Force – Bucket

13534lb

Auxiliary Circuit – Secondary (174 Bar/2,524 Psi)

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16.9 gal/min

Auxiliary Circuit – Primary (186 Bar/2,734 Psi)

33.8 gal/min

Pump Flow At 2,000 Rpm

39.6 gal/min

Operating Specifications

Machine Overhang

11in

Stick Length – Standard

66in

Stick Length – Long

87in

Maximum Dig Depth

163.5in

Machine Overhang With Counterweight

16in

Counterweight

551lb

Service Refill Capacities

Cooling System

3.7gal

Fuel Tank

33gal

Hydraulic Tank

21.7gal

Hydraulic System

24.8gal

Engine Oil

3gal

Cab

Dynamic Operator Sound Pressure

70 dB(A) ISO 6396

Average Exterior Sound Pressure

99 dB(A) ISO 6395 Dynamic Test

Travel System

Maximum Traction Force – High Speed

8408lb

Maximum Traction Force – Low Speed

14500lb

Travel Speed – High

3.2mph

Travel Speed – Low

1.8mph

Gradeability – Maximum

30 degrees

Pressure exerted on the ground by the tires or tracks:

5.26 psi

Note (1)

Each track is driven by one independent 2-speed motor.

Note (2)

Drive modules are integrated into the roller frame for total protection.

Note (3)

Straight line travel when tracking and operating the front linkage simultaneously.

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