Caterpillar 308E2 CR Hydraulic Excavator
Dimensions
Undercarriage
Track Gauge
6.53ft in
Drawbar Pull
20720lb
Ground Pressure
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
Number Of Cylinders
4
Engine Make
2236
Engine Model
C3.3B
Gross Power
66.6hp
Net Power
65hp
Power Measured @
2400rpm
Displacement
203.2cu in
Aspiration
Turbocharged
Bore
3.7in
Stroke
4.7in
Emissions
Meets U.S. EPA Tier 4 Final and EU Stage IIIB emission standards.
Net Power - Iso 9249
65hp
Engine Model
Cat C3.3B
Gross Power - Iso 14396
66.6hp
Rated Net Power - 2,400 Rpm - Iso 9249/Eec 80/1269
65hp
Operational
Operating Weight
18519lb
Fuel Capacity
33gal
Cooling System Fluid Capacity
3.7gal
Hydraulic System Fluid Capacity
21.7gal
Engine Oil Capacity
3gal
Swing Mechanism
Swing Speed
11rpm
Weights
Operating Weight
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
Blade Width
7.7ft in
Blade Height
17.8in
Height
17.7in
Width
7.7ft in
Hydraulic System
Note
Load sensing hydraulics with variable displacement piston pump.
Blade
Lift Height
15in
Dig Depth
14.2in
Hydraulic System
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)
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
Ground Pressure
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.
