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308 CR Mini Hydraulic Excavator

308 CR Mini Hydraulic Excavator

308 CR Mini Hydraulic Excavator

Product Specs

Swing System

Boom Swing - Right
50 degrees
Boom Swing - Left
60 degrees
Machine Swing Speed
10.6r/min

Engine

Engine Model
Cat C3.3B
Net Power
70.3HP
Bore
3.7in
Displacement
203in³
Gross Power - ISO 14396
74.3HP
Rated Net Power - 2,200 rpm - EU Stage V - ISO 9249/EEC 80/1269
71.5HP
Rated Net Power - 2,200 rpm - U.S. EPA Tier 4 Final - ISO 9249/EEC 80/1269
70.3HP
Stroke
4.7in

Weights

Operating Weight
20678lb
Maximum Operating Weight with Cab**
20077lb
Minimum Operating Weight with Cab*
18610lb
Note (1)
*Minimum Weight is based on rubber tracks, no counterweight, operator, full fuel tank, standard stick, blade and no bucket.
Note (2)
**Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, long stick, blade and no bucket.

Blade

Height
17in
Width - Standard
91in
Width - Wide
97in

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 1.0 kg of refrigerant which has a CO2 equivalent of 1.430 metric tonnes.

Certification - Cab

Roll Over Protective Structure (ROPS)
ISO 12117-2:2008
Tip Over Protective Structure (TOPS)
ISO 12117:1997
Top Guard
ISO 10262:1998 (Level II)

Dimensions - Long Stick

Boom In Reach
127in
Boom Swing - Left
24in
Boom Swing - Right
37in
Cab Height
100in
Dig Depth
183in
Ground Clearance
14in
Maximum Blade Depth
16in
Maximum Blade Height
15in
Maximum Dig Height
277in
Maximum Dump Clearance
200in
Maximum Reach
301in
Maximum Reach - Ground Level
294in
O/A Shipping Length
262in
O/A Track Width
91in
O/A Undercarriage Length
113in
Stick Length
93in
Swing Bearing - Height
30in
Tail Swing with Counterweight
65in
Tail Swing without Counterweight
57in
Track Belt/Shoe Width
18in
Transport Height
99in
Vertical Wall
134in

Dimensions - Standard Stick

Boom In Reach
120in
Boom Swing - Left
24in
Boom Swing - Right
37in
Cab Height
100in
Dig Depth
162in
Ground Clearance
14in
Maximum Blade Depth
16in
Maximum Blade Height
15in
Maximum Dig Height
265in
Maximum Dump Clearance
187in
Maximum Reach
281in
Maximum Reach - Ground Level
274in
O/A Shipping Length
259in
O/A Track Width
91in
O/A Undercarriage Length
113in
Stick Length
72in
Swing Bearing - Height
30in
Tail Swing with Counterweight
65in
Tail Swing without Counterweight
57in
Track Belt/Shoe Width
18in
Transport Height
98in
Vertical Wall
118in

Hydraulic System

Auxiliary Circuit - Primary - Flow
35gal/min
Auxiliary Circuit - Primary - Pressure
4134psi
Auxiliary Circuit - Secondary - Flow
9gal/min
Auxiliary Circuit - Secondary - Pressure
4134psi
Digging Force - Bucket
13946lb
Digging Force - Stick - Long
8032lb
Digging Force - Stick - Standard
9509lb
Operating Pressure - Equipment
4134psi
Operating Pressure - Swing
3626psi
Operating Pressure - Travel
4134psi
Pump Flow at 2,400 rpm
44gal/min
Type
Load Sensing Hydraulics with Variable Displacement Piston Pump

Service Refill Capacities

Cooling System
2.6gal (US)
Engine Oil
3gal (US)
Fuel Tank
39gal (US)
Hydraulic System
29gal (US)
Hydraulic Tank
14gal (US)

Sound

Average Exterior Sound Pressure (ISO 6395:2008)
99dB(A)
Note
European Union Directive “2000/14/EC”
Operator Sound Pressure (ISO 6396:2008)
72dB(A)

Travel System

Gradeability - Maximum
30 degrees
Ground Pressure - Maximum Weight
5.8psi
Ground Pressure - Minimum Weight
5.4psi
Maximum Traction Force - High Speed
6250lb
Maximum Traction Force - Low Speed
15175lb
Travel Speed - High
3.2mile/h
Travel Speed - Low
1.9mile/h

Weight Increase from Minimum Configuration

Counterweight
552lb
Long Stick
146lb
Steel Tracks with Pads
752lb

Worktool Attachments

Equipment

  • Engine
    • Cat C3.3B Diesel Engine (U.S. EPA Tier 4 Final/EU Stage V) – Electronic Engine, Turbo, Diesel Particulate Filter (DPF)
    • Automatic Two Speed Travel
    • Extended Life Coolant, –37° C (–35° F)
    • Radial Seal – Double Element Air Filter
    • Fuel Water Separator with Indicator
    • Ecology Drain
    • Automatic Swing Brake
    • Automatic Engine Shutdown
    • Automatic Engine Idle
  • Hydraulics
    • Load Sensing/Flow Sharing Hydraulics
    • Variable Displacement Piston Pump
    • HYDO Advanced Hydraulic Oil
    • Hydraulic Temperature Monitoring
    • Power On Demand
    • Certified Accumulator
    • Smart Tech Electronic Pump
  • Operator Environment
    • 12V Power Socket
    • Rear Window Emergency Exit
    • Mounting Bosses for Top and Front Guards
    • Hydraulic Lockout Controls
    • Radio – Bluetooth®, USB, Auxiliary, Microphone
    • Assisted Front Window Overhead Storage
    • Travel Cruise Control
    • Fabric, High Back, Suspension Seat
    • Cup Holder
    • Control Pattern Changer
    • TOPS – ISO 12117:1997
    • Travel Pedals and Hand Levers
    • Literature Holder
    • Removable, Washable Floor Mat
    • Adjustable Wrist Rests
    • LED Interior Light
    • Retractable Seat Belt (75 mm/3 in)
    • ROPS – ISO 12117-2:2008
    • Color LCD Monitor
      – Fuel Level and Coolant Temperature Gauges
      – Maintenance and Machine Monitoring
      – Performance and Machine Adjustments
      – Numeric Security Code
      – Multiple Languages
      – Camera Ready
      – Hour Meter with Wake Up Switch
      – Jog Dial Control Interface
    • Skylight
    • Stick Steer Mode
    • Cat Key with Passcode Option
    • Coat Hook
    • Top Guard – ISO 10262:1998 (Level II)
    • Sealed and Pressurized Cab
    • HVAC with Automatic Temperature Control
    • Integrated Lower Front Window
    • Molded Footrests
    • Operator Sound Pressure 72 dB(A) ISO 6396:2008
  • Undercarriage
    • Dozer Blade
    • Hydraulic Track Adjusters
    • Tie Down Eyes on Track Frame
    • Dozer Float
    • Greased and Lubricated Track
    • Bolt-on, Reversible Wear Edge
    • Rubber Tracks
  • Boom, Stick And Linkages
    • One Piece Boom (3400 mm/133.9 in)
    • Standard Stick (1820 mm/71.7 in)
    • Long Stick (2360 mm/92.9 in)
    • Front Shovel Capable (Pin-On/Manual Coupler/Hydraulic Coupler – not available in all regions)
    • Thumb Ready (not available in all regions)
    • Certified Lifting Eye (not available in all regions)
  • Electrical
    • 12 Volt Electrical System
    • 60 Ampere Alternator
    • 900 CCA Maintenance Free Battery
    • Circuit Breaker
    • Ignition Key Stop Switch
    • Signaling/Warning Horn
    • Product Link Elite Lite (regulations apply)
    • Travel Alarm

Optional Equipment

  • Operator Environment
    • Rain Visor
    • Air Suspension Heated Seat
  • Electrical
    • Rearview Camera
    • Rotating Beacon
  • Other
    • 2nd Auxiliary Hydraulic Lines with Case Drain
    • Additional Counterweight
    • Boom and Stick Hose Burst Check Valves
    • Bucket Linkage with Lift Eye
    • Track Guides
    • Steel Tracks (450 mm/17.7 in wide)
    • Steel Track with Rubber Pads
    • Wide Steel Tracks (600 mm/23.6 in)
    • Attachments including Buckets, Augers and Hammers
    • Water Jacket Heater
    • Wide Dozer Blade
    • Refueling Pump
    • Variable Angle Boom (please see 308 CR VAB brochure for VAB specs and additional information)
    • Cab Guarding

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