308 CR Mini Hydraulic Excavator

Product description

The Cat® 308 CR Mini Excavator delivers maximum power and performance in a mini size to help you work in a wide range of applications.

Engine
  • Net Power - 69.5HP
  • Engine Model - Cat C3.3B
  • Stroke - 4.7in
  • Bore - 3.7in
  • Gross Power - SAE J1995 - 74.3HP
  • Displacement - 203in³
  • Rated Net Power - 2,200 rpm - U.S. EPA Tier 4 Final/EU Stage V - ISO 9249/EEC 80/1269 - 69.5HP
Weights
  • Operating Weight - 20077lb
  • 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.
  • Maximum Operating Weight with Cab** - 20077lb
  • Minimum Operating Weight with Cab* - 18610lb
Dimensions - Long Stick
  • Dig Depth - 182.8in
  • Boom Swing - Left - 23.8in
  • Maximum Dig Height - 277.1in
  • Maximum Blade Height - 14.6in
  • Track Belt/Shoe Width - 17.7in
  • Cab Height - 100in
  • Tail Swing with Counterweight - 62.4in
  • O/A Undercarriage Length - 113.4in
  • Maximum Dump Clearance - 199.7in
  • Boom Swing - Right - 36.8in
  • Maximum Blade Depth - 16in
  • Ground Clearance - 13.8in
  • Stick Length - 92.8in
  • Maximum Reach - 300.7in
  • Maximum Reach - Ground Level - 293.7in
  • Boom In Reach - 126.6in
  • Swing Bearing - Height - 29.7in
  • O/A Track Width - 90.6in
  • Tail Swing without Counterweight - 57.1in
  • Vertical Wall - 134in
  • Note - *Boom Height when stick is pinned in transport position with no attachments.
  • Note (2) - ***With blade positioned at the rear of the machine.
  • Note (1) - **Boom Height when stick is pinned in working position with attachments. Standard Stick offers only one pin position.
  • Height - Boom Transport - No Tools* - 89in
  • Height - Boom Working - With Tools** - 120.1in
  • Overall Shipping Length - without Counterweight - 6872 mm (270.6 in)***
  • Overall Shipping Length - with Counterweight - 6872 mm (270.6 in)***
Blade
  • Height - 17in
  • Width - Standard - 90.6in
  • Width - Wide - 96.5in
Service Refill Capacities
  • Fuel Tank - 39gal (US)
  • Hydraulic System - 29gal (US)
  • Hydraulic Tank - 14gal (US)
  • Cooling System - 2.6gal (US)
  • Engine Oil - 3gal (US)
Hydraulic System
  • Digging Force - Bucket - 13946lb
  • Operating Pressure - Travel - 4134psi
  • Operating Pressure - Swing - 3626psi
  • Operating Pressure - Equipment - 4134psi
  • Digging Force - Stick - Long - 8032lb
  • Type - Load Sensing Hydraulics with Variable Displacement Piston Pump
  • Note - Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
  • Pump Flow at 2,400 rpm - 44gal/min
  • Digging Force - Stick - Standard - 9509lb
  • Maximum Auxiliary Circuit - Primary - Pressure at Pump - 4134psi
  • Maximum Auxiliary Circuit - Secondary - Pressure at Pump - 4134psi
  • Maximum Auxiliary Circuit - Primary - Flow at Pump - 35gal/min
  • Maximum Auxiliary Circuit - Secondary - Flow at Pump - 9gal/min
Swing System
  • Machine Swing Speed - 10.6r/min
  • Boom Swing - Right - 50 degrees
  • Boom Swing - Left - 60 degrees
Certification - Cab
  • Top Guard - ISO 10262:1998 (Level I)
  • Roll Over Protective Structure (ROPS) - ISO 12117-2:2008
  • Tip Over Protective Structure (TOPS) - ISO 12117:1997
Sound
  • Operator Sound Pressure (ISO 6396:2008) - 72dB(A)
  • Note - European Union Directive "2000/14/EC"
  • Average Exterior Sound Pressure (ISO 6395:2008) - 99dB(A)
Dimensions - Standard Stick
  • Cab Height - 100in
  • Vertical Wall - 117.8in
  • Boom In Reach - 120.4in
  • Tail Swing with Counterweight - 62.4in
  • Boom Swing - Right - 36.8in
  • Track Belt/Shoe Width - 17.7in
  • Maximum Reach - 281.1in
  • Stick Length - 71.7in
  • Maximum Blade Height - 14.6in
  • Boom Swing - Left - 23.8in
  • Maximum Blade Depth - 16in
  • O/A Track Width - 90.6in
  • Maximum Dig Height - 265.2in
  • Maximum Dump Clearance - 187.4in
  • Maximum Reach - Ground Level - 273.6in
  • Tail Swing without Counterweight - 57.1in
  • O/A Undercarriage Length - 113.4in
  • Swing Bearing - Height - 29.7in
  • Ground Clearance - 13.8in
  • Dig Depth - 161.7in
  • Note - *Boom Height when stick is pinned in transport position with no attachments.
  • Overall Shipping Length - with Counterweight - 264in
  • Note (1) - **Boom Height when stick is pinned in working position with attachments. Standard Stick offers only one pin position.
  • Overall Shipping Length - without Counterweight - 258.8in
  • Note (2) - ***With blade positioned at the rear of the machine.
  • Height - Boom Working - With Tools** - 104.7in
  • Height - Boom Transport - No Tools* - 95.7in
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.
Weight Increase from Minimum Configuration
  • Steel Tracks with Pads - 752lb
  • Counterweight - 552lb
  • Long Stick - 146lb
Travel System
  • Maximum Traction Force - High Speed - 6250lb
  • Ground Pressure - Maximum Weight - 5.8psi
  • Ground Pressure - Minimum Weight - 5.4psi
  • Travel Speed - High - 3.2mile/h
  • Travel Speed - Low - 1.9mile/h
  • Maximum Traction Force - Low Speed - 15175lb
  • Gradeability - Maximum - 30 degrees
Standard Equipment:
  • Engine
    • Cat C3.3B Diesel Engine (U.S. EPA Tier 4 Final/EU Stage V) – Electronic Engine, Turbo, Diesel Particulate Filter (DPF)
    • Automatic Engine Idle
    • Automatic Engine Shutdown
    • Automatic Swing Brake
    • Automatic Two Speed Travel
    • Fuel Water Separator with Indicator
    • Radial Seal – Double Element Air Filter
    • Extended Life Coolant, –37° C (–35° F)
  • Hydraulics
    • Electronic Variable Displacement Piston Pump
    • Load Sensing/Flow Sharing Hydraulics
    • Power On Demand
    • Hydraulic Temperature Monitoring
    • Certified Accumulator
    • HYDO Advanced Hydraulic Oil
  • Operator Environment
    • Top Guard ISO 10262 1998 Level I
    • ROPS ISO 12117-2:2008
    • Stick Steer Mode
    • Travel Cruise Control
    • Control Pattern Changer
    • Adjustable Wrist Rests
    • Molded Footrests
    • Removable, Washable Floor Mat
    • Travel Pedals and Hand Levers
    • Cat Key with Passcode Option
    • HVAC with Automatic Temperature Control
    • Hydraulic Lockout Controls
    • Integrated Lower Front Window
    • Assisted Front Window Overhead Storage
    • Rear Window Emergency Exit
    • Fabric, High Back, Suspension Seat
    • Retractable Seat Belt (75 mm/3 in)
    • Coat Hook
    • Cup Holder
    • LED Interior Light
    • Literature Holder
    • Mounting Bosses for Top and Front Guards
    • 12V Power Socket
    • Radio – Bluetooth, Auxiliary, Microphone, USB (charging only)
    • Skylight
    • Signaling/Warning Horn
    • Cab and (left side) Boom Work Lights
    • Utility Space for Mobile Phone
    • Next Generation Color LCD Monitor (IP66)
      – Jog Dial Interface
      – Fuel Level and Coolant Temperature Gauges
      – Maintenance and Machine Monitoring
      – Performance and Machine Adjustments
      – Numeric Security Code
      – Multiple Languages
      – Camera Ready (IP68 & IP69K)
      – Hour Meter with Wake Up Switch
  • Undercarriage
    • Greased and Lubricated Track
    • Tie Down Eyes on Track Frame
    • Dozer Blade
    • Dozer Float
    • Bolt-on, Reversible Wear Edge
  • Boom, Stick And Linkages
    • One Piece Boom (3400 mm/133.9 in)
    • Standard Stick (1820 mm/71.7 in)
    • Front Shovel Capable – Pin-on/Manual Coupler/Hydraulic Coupler (not available in all regions)
    • Thumb Ready (not available in all regions)
  • Electrical
    • 12 Volt Electrical System
    • 60 Ampere Alternator
    • Circuit Breaker
    • 900 CCA Maintenance Free Battery
    • Battery Disconnect
    • Ignition Key Stop Switch
  • Other
    • Locks on External Enclosure Doors
    • Lockable Fuel Cap
    • Beacon Socket
    • Rear Reflectors
Optional Equipment:
  • Operator Environment
    • Push to Start with Bluetooth® Key
    • Air Suspension Heated Seat
    • Rain Visor
    • Next Generation Advanced Monitor (below are all included with Next Generation Advanced Monitor option)
      – Touch Screen
      – Site Reference System
      – High Definition Camera Capable (IP68 & IP69K)
      – Numeric Security Code
  • Undercarriage
    • Wide Dozer Blade
    • Steel Tracks (450 mm/17.7 in wide)
    • Wide Steel Tracks (600 mm/23.6 in)
    • Steel Track with Rubber Pads
    • Track Guides
  • Boom, Stick And Linkages
    • Long Stick (2360 mm/92.9 in)
    • Attachments including Buckets, Augers and Hammers
    • 2nd Auxiliary Hydraulic Lines
    • Boom Lowering Check Valve
    • Stick Lowering Check Valve
    • Certified Lifting Eye
  • Electrical
    • Product Link Elite (regulations apply)
    • Travel Alarm
    • Rearview Camera
    • Rotating Beacon
  • Guarding
    • Mesh Front Guard ISO 10262 1998 Level I
    • Heavy Duty Front Guard ISO 10262 1998 Level II
    • Overhead Cab Guard ISO 10262 1998 Level II
    • Polycarbonate Front Window EN356 P5A
    • Track Guards
  • Other
    • Additional Counterweight
    • Water Jacket Heater
    • Refueling Pump
    • Variable Angle Boom (refer to 308 CR VAB brochure for VAB specs and additional information)
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