308E2 CR Mini Hydraulic Excavator with Swing Boom

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Product Description

The Cat® 308E2 CR Mini Hydraulic Excavator delivers high performance, durability and versatility in a compact design to help you work in a variety of applications.

Specifications
Us
Metric
Engine
Engine Model
Cat® C3.3B
Net Power
65 mm H2O
48.5 kg/mm
Bore
3.7 in
94 mm
Displacement
203.2 in³
3.33 l
Gross Power - ISO 14396
66.6 mm H2O
49.7 kg/mm
Net Power - ISO 9249
65 mm H2O
48.5 kg/mm
Rated Net Power - 2,400 rpm - ISO 9249/EEC 80/1269
65 mm H2O
48.5 kg/mm
Stroke
4.7 in
120 mm
Weights
Operating Weight
18519 lb
8400 null
Operating Weight - With Cab
18519 lb
8400 null
Travel System
Ground Pressure
5.26 psi
36.3 kPa
Gradeability - Maximum
30°
Maximum Traction Force - High Speed
8408 lb
37.4 kN
Maximum Traction Force - Low Speed
14500 lb
64.5 kN
Travel Speed - High
3.17 mile/h
5.1 km/h
Travel Speed - Low
1.74 mile/h
2.8 km/h
Hydraulic System
Auxiliary Circuit - Primary (280 bar/4,061 psi)
33.8 gal/min
128 l/min
Auxiliary Circuit - Secondary (280 bar/4,061 psi)
16.9 gal/min
64 l/min
Digging Force - Bucket
13534 lb
60.2 kN
Digging Force - Stick - Long
7891 lb
35.1 kN
Digging Force - Stick - Standard
9015 lb
40.1 kN
Operating Pressure - Equipment
4061 psi
28000 kPa
Operating Pressure - Swing
3481 psi
24000 kPa
Operating Pressure - Travel
4061 psi
28000 kPa
Pump Flow at 2,000 rpm
39.6 gal/min
150 l/min
Swing System
Machine Swing Speed
11 r/min
11 r/min
Boom Swing - Left
60°
Boom Swing - Right
50°
Blade
Width
91.3 in
2320 mm
Height
17.7 in
450 mm
Dig Depth
14.2 in
360 mm
Lift Height
15 in
380 mm
Service Refill Capacities
Cooling System
3.7 gal (US)
14 l
Engine Oil
3 gal (US)
11.2 l
Hydraulic Tank
21.7 gal (US)
82 l
Fuel Tank
33 gal (US)
125 l
Hydraulic System
24.8 gal (US)
94 l
Operating Specifications
Counterweight
551 lb
251 null
Machine Overhang
11 in
279.4 mm
Machine Overhang with Counterweight
16 in
406 mm
Maximum Dig Depth
13.62 ft
4150 mm
Stick Length - Long
7.25 ft
2210 mm
Stick Length - Standard
5.5 ft
1670 mm
Cab
Average Exterior Sound Pressure
99 dB(A) ISO 6395 – Dynamic Test
Dynamic Operator Sound Pressure
70 dB(A) ISO 6396
Air Conditioning System
Air Conditioning
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.3 kg (2.9 lb) of refrigerant which has a CO2 equivalent of 1.9 metric tonnes (4,189 lb).
Engine
Emissions
Meets U.S. EPA Tier 4 Final and EU Stage IIIB emission standards.
Hydraulic System
Note
Load sensing hydraulics with variable displacement piston pump.
Swing System
Note
Automatic swing break, spring applied, hydraulic release.
Travel System
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.
Weights
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.
Standard/Optional

Standard Equipment

ENGINE
HYDRAULIC SYSTEM
OPERATOR ENVIRONMENT
UNDERCARRIAGE
FRONT LINKAGE
ELECTRICAL
LIGHTS AND MIRRORS
SAFETY AND SECURITY

Optional Equipment

ENGINE
HYDRAULIC SYSTEM
UNDERCARRIAGE
FRONT LINKAGE
LIGHTS AND MIRRORS
SAFETY AND SECURITY
TECHNOLOGY
OTHER ATTACHMENTS

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