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308E2 CR Mini Hydraulic Excavator with Swing Boom Specifications
Engine Model Cat® C3.3B
Engine Model Cat® C3.3B
Net Power 65.0 hp
Net Power 65 HP

Engine

Engine Model
Cat® C3.3B
Engine Model
Cat® C3.3B
Net Power
65.0 hp
Net Power
65 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
Bore
3.7 in
Displacement
203.2 in³
Gross Power - ISO 14396
66.6 HP
Net Power - ISO 9249
65 HP
Rated Net Power - 2,400 rpm - ISO 9249/EEC 80/1269
65 HP
Stroke
4.7 in
Emissions
Meets U.S. EPA Tier 4 Final and EU Stage IIIB emission standards.
Emissions
Meets U.S. EPA Tier 4 Final and EU Stage IIIB emission standards.

Weights

Operating Weight
18519.0 lb
Operating Weight
18519 lb
Operating Weight - With Cab
18519 lb
Note
Weight with rubber tracks, bucket, operator (75 kg/165 lb), full fuel and auxiliary lines.
Note
Weight varies depending on machine configuration.
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.

Travel System

Ground Pressure
5.26 psi
Ground Pressure
5.26 psi
Gradeability (maximum)
30°
Maximum Traction Force – High Speed
8408 lb
Maximum Traction Force – Low Speed
14500 lb
Maximum Traction Force - High Speed
8408 lb
Maximum Traction Force - Low Speed
14500 lb
Gradeability - Maximum
30°
Travel Speed - High
3.17 mile/h
Travel Speed - Low
1.74 mile/h
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.
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.

Hydraulic System

Digging Force – Stick (standard)
9015.0 lb
Operating Pressure – Equipment
4061.0 psi
Operating Pressure – Swing
3481.0 psi
Operating Pressure – Travel
4061.0 psi
Operating Pressure - Travel
4061 psi
Operating Pressure - Swing
3481 psi
Auxiliary Circuit - Primary (280 bar/4,061 psi)
33.8 gal/min
Auxiliary Circuit - Secondary (280 bar/4,061 psi)
16.9 gal/min
Pump Flow at 2,000 rpm
39.6 gal/min
Digging Force - Bucket
13534 lb
Digging Force - Stick - Long
7891 lb
Digging Force - Stick - Standard
9015 lb
Operating Pressure - Equipment
4061 psi
Note
Load sensing hydraulics with variable displacement piston pump.
Note
Load sensing hydraulics with variable displacement piston pump.

Swing System

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

Blade

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

Service Refill Capacities

Cooling System
3.7 gal
Cooling System
3.7 gal (US)
Engine Oil
3.0 gal
Engine Oil
3 gal (US)
Hydraulic Tank
21.7 gal
Hydraulic Tank
21.7 gal (US)
Fuel Tank
33.0 gal
Fuel Tank
33 gal (US)
Hydraulic System
24.8 gal
Hydraulic System
24.8 gal (US)

Operating Specifications

Maximum Dig Depth
13.62 ft
Stick Length – Long
7.25 ft
Stick Length – Standard
5.50 ft
Counterweight
551 lb
Machine Overhang
11 in
Machine Overhang with Counterweight
16 in
Maximum Dig Depth
13.62 ft
Stick Length - Long
7.25 ft
Stick Length - Standard
5.5 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
    • Cat C3.3B diesel engine (meets U.S. EPA Tier 4 Final/EU Stage IIIB emission standards)
    • Automatic engine idle
    • Automatic engine shut-off
    • Automatic two speed travel
    • Diesel Particulate Filter (North America only)
    • Diesel Oxidation Catalyst (North America only)
    • Fuel and water separator
    • Power on demand
  • HYDRAULIC SYSTEM
    • 1-way and 2-way (combined function)
    • Accumulator
    • Automatic swing parking brake
    • Auxiliary hydraulic lines
    • Adjustable auxiliary relief
    • Auxiliary line quick disconnects
    • Cat interlock system: hydraulic lockout
    • Continuous auxiliary flow
    • Ecology drain
    • Hydraulic oil cooler
    • High definition hydraulics
    • Load sensing/flow sharing
  • OPERATOR ENVIRONMENT
    • 100% pilot control ergonomic joysticks
    • Adjustable armrests
    • Air conditioning/heat
    • COMPASS: complete, operation, maintenance, performance and security system
      • Multiple languages
    • Cup holder
    • High back suspension seat, heated
    • Hydraulic neutral lockout bar
    • Interior light
    • Literature holder
    • Pattern changer (optional in Europe)
    • Radio (optional in Europe)
    • Site reference system: leveling
    • Tool storage area
    • Travel control pedals with hand levers
    • Washable floor mat
    • Windshield wiper
  • UNDERCARRIAGE
    • Dozer blade with float function
    • Track, rubber belt, 450 mm (18 in) width
    • Tie down eyes on track frame
    • Towing eye on base frame
  • FRONT LINKAGE
    • 180 degree bucket rotation
    • Certified lifting eye on bucket linkage (optional in Europe)
    • Front shovel capable
    • Thumb ready stick
  • ELECTRICAL
    • 12 volt electrical system
    • 60 ampere alternator
    • 650 CCA maintenance free battery
    • Fuse box
    • Ignition key start/stop switch
    • Slow blow fuse
    • Warning horn
  • LIGHTS AND MIRRORS
    • Cab and boom light with time delay capability
    • Mirror, rear view, cab left
  • SAFETY AND SECURITY
    • Anti-theft system (COMPASS)
    • Caterpillar Corporate “One Key” System
    • Door locks
    • Lockable fuel cap
    • Rearview camera
    • Retractable seat belt
    • Roll Over Protective Structure (ROPS) (ISO 12117-2)
    • Tip Over Protective Structure (TOPS) (ISO 12117)
    • Top guard – ISO 10262 (Level II)
    • Travel alarm (optional in Europe)
  • 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.)