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308E2 CR Mini Hydraulic Excavator with Swing Boom

308E2 CR Mini Hydraulic Excavator with Swing Boom

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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.

Engine

Engine Model
Cat® C3.3B
Net Power
65.0 hp
Bore
3.7 in
Displacement
203.2 in3
Gross Power (ISO 14396)
66.6 hp
Net Power (ISO 9249)
65.0 hp
Rated Net Power @ 2,400 rpm (ISO 9249/EEC 80/1269)
65.0 hp
Stroke
4.7 in
Emissions
Meets U.S. EPA Tier 4 Final and EU Stage IIIB emission standards.

Weights

Operating Weight
18519.0 lb
Operating Weight with Cab
18519.0 lb
Note
Weight with rubber tracks, bucket, operator (75 kg/165 lb), full fuel and auxiliary lines.
Note
Weight varies depending on machine configuration.

Travel System

Ground Pressure
5.26 psi
Gradeability (maximum)
30°
Maximum Traction Force – High Speed
8408 lb
Maximum Traction Force – Low Speed
14500 lb
Travel Speed – High
3.17 mph
Travel Speed – Low
1.74 mph
Note
Each track is driven by one independent 2-speed motor.
Note
Drive modules are integrated into the roller frame for total protection.
Note
Straight line travel when tracking and operating the front linkage simultaneously.

Hydraulic System

Digging Force – Stick (long)
7891.0 lb
Digging Force – Bucket
13534.0 lb
Digging Force – Stick (standard)
9015.0 lb
Auxiliary Circuit – Primary (280 bar/4,061 psi)
33.8 gal/min
Auxiliary Circuit – Secondary (280 bar/4,061 psi)
16.9 gal/min
Operating Pressure – Equipment
4061.0 psi
Operating Pressure – Swing
3481.0 psi
Operating Pressure – Travel
4061.0 psi
Pump Flow at 2,000 rpm
39.6 gal/min
Note
Load sensing hydraulics with variable displacement piston pump.

Swing System

Machine Swing Speed
11.0 rpm
Boom Swing – Right
50°
Boom Swing – Left
60°
Note
Automatic swing break, spring applied, hydraulic release.

Blade

Width
91.3 in
Height
17.7 in
Dig Depth
14.2 in
Lift Height
15.0 in

Service Refill Capacities

Cooling System
3.7 gal
Engine Oil
3.0 gal
Hydraulic Tank
21.7 gal
Fuel Tank
33.0 gal
Hydraulic System
24.8 gal

Operating Specifications

Counterweight
551.0 lb
Machine Overhang
11.0 in
Machine Overhang with Counterweight
16.0 in
Maximum Dig Depth
13.62 ft
Stick Length – Long
7.25 ft
Stick Length – Standard
5.50 ft

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
    • Engine block heater
  • HYDRAULIC SYSTEM
    • Quick coupler lines
    • Boom lowering check valve (Standard on VAB configuration.)
    • Stick lowering check valve (Standard on VAB configuration.)
    • Secondary auxiliary hydraulic lines (Standard on VAB configuration.)
  • UNDERCARRIAGE
    • Blade, weld on
    • Track, triple grouser (steel), 450 mm (18 in)
    • Track, triple grouser (steel) with rubber pad, 450 mm (18 in)
    • Track, triple grouser (steel), 600 mm (24 in)
  • FRONT LINKAGE
    • Quick coupler: manual or hydraulic
    • Thumb
    • Buckets
    • Full range of performance matched work tools
      • Auger, hammer, shear, ripper
  • LIGHTS AND MIRRORS
    • Mirror, cab rear
  • SAFETY AND SECURITY
    • Battery disconnect
    • Front wire mesh guard
    • Front steel plate guard
    • Rain guard
  • TECHNOLOGY
    • Product Link
  • OTHER ATTACHMENTS
    • Counterweight, extra, 1121 kg (2,493 lb) (Standard on VAB configuration.)