306 CR Mini Hydraulic Excavator

Product description

The Cat® 306 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 - 55.9HP
  • Engine Model - Cat C2.4 Turbo
  • Gross Power - ISO 14396 - 57.9HP
  • Displacement - 148in³
  • Bore - 3.4in
  • Stroke - 4in
  • Net Power @ 2,200 rpm - U.S. EPA Tier 4 Final/EU Stage V - ISO 9249/EEC 80/1269 - 55.9HP
Weights
  • Operating Weight - 15766lb
  • Minimum Operating Weight with Canopy* - 14134lb
  • Maximum Operating Weight with Canopy** - 15633lb
  • Note (2) - **Maximum Weight is based on steel tracks with pads, extra counterweight, operator, full fuel tank, long stick, fixed blade and no bucket.
  • Maximum Operating Weight with Cab** - 15766lb
  • Minimum Operating Weight with Cab* - 14266lb
  • Note (1) - *Minimum Weight is based on rubber tracks, operator, full fuel tank, standard stick, fixed blade and no bucket.
Dimensions - Long Stick
  • Dig Depth - 162in
  • Maximum Blade Height - 16in
  • O/A Track Width - 78in
  • Track Belt/Shoe Width - 16in
  • Tail Swing with Counterweight - 58in
  • Vertical Wall - 125in
  • Boom In Reach - 117in
  • Maximum Blade Depth - 24in
  • Maximum Dig Height - 241in
  • Transport Height - 95in
  • Stick Length - 78in
  • Ground Clearance - 12in
  • Swing Bearing - Height - 27in
  • Width over Upper House - 77in
  • O/A Undercarriage Length - 102in
  • O/A Shipping Length - 234in
  • Cab Height - 100in
  • Maximum Reach - 263in
  • Boom Swing - Left - 29in
  • Tail Swing without Counterweight - 53in
  • Boom Swing - Right - 36in
  • Maximum Dump Clearance - 182in
  • Maximum Reach - Ground Level - 257in
Weight Increase from Minimum Configuration
  • Counterweight - 551lb
  • Long Stick - 97lb
  • Steel Tracks with Pads - 827lb
  • Angle Blade - 225lb
  • XTC Carriage (no tool) - 141lb
Travel System
  • Ground Pressure - Minimum Weight - 5.1psi
  • Ground Pressure - Maximum Weight - 5.7psi
  • Gradeability - Maximum - 30 degrees
  • Maximum Traction Force - High Speed - 6969lbf
  • Maximum Traction Force - Low Speed - 12589lbf
  • Travel Speed - High - 3.1mile/h
  • Travel Speed - Low - 1.7mile/h
Service Refill Capacities
  • Cooling System - 2.6gal (US)
  • Hydraulic System - 27.5gal (US)
  • Hydraulic Tank - 14gal (US)
  • Engine Oil - 2.1gal (US)
  • Fuel Tank - 34.3gal (US)
Hydraulic System
  • Operating Pressure - Travel - 3553psi
  • Auxiliary Circuit - Primary - Flow - 24gal/min
  • Digging Force - Bucket - 11578lbf
  • Auxiliary Circuit - Primary - Pressure - 3553psi
  • Type - Load Sensing Hydraulics with Variable Displacement Piston Pump
  • Auxiliary Circuit - Secondary - Flow - 9gal/min
  • Operating Pressure - Equipment - 3553psi
  • Auxiliary Circuit - Secondary - Pressure - 3553psi
  • Digging Force - Stick - Standard - 6632lbf
  • Operating Pressure - Swing - 3263psi
  • Digging Force - Stick - Long - 5957lbf
  • Pump Flow at 2,400 rpm - 40gal/min
Swing System
  • Boom Swing - Right - 65 degrees
  • Boom Swing - Left - 60 degrees
  • Machine Swing Speed - 11r/min
Blade
  • Straight Blade Width - 78in
  • Angle Blade Width - 78in
  • Straight Blade Height - 15.4in
  • Angle Blade Height - 15.7in
Certification - Cab
  • Top Guard - ISO 10262:1998 (Level II)
  • 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)
  • Average Exterior Sound Pressure (ISO 6395:2008) - 99dB(A)
  • Note - European Union Directive “2000/14/EC”
Dimensions - Standard Stick
  • Track Belt/Shoe Width - 16in
  • Maximum Reach - 248in
  • Stick Length - 62in
  • Vertical Wall - 107in
  • Swing Bearing - Height - 27in
  • Maximum Reach - Ground Level - 241in
  • Maximum Blade Height - 16in
  • Ground Clearance - 12in
  • Boom In Reach - 98in
  • Boom Swing - Right - 36in
  • Transport Height - 69in
  • Tail Swing with Counterweight - 58in
  • Cab Height - 100in
  • Width over Upper House - 77in
  • Maximum Dump Clearance - 170in
  • Tail Swing without Counterweight - 53in
  • Boom Swing - Left - 29in
  • O/A Undercarriage Length - 102in
  • Maximum Dig Height - 230in
  • Maximum Blade Depth - 24in
  • O/A Track Width - 78in
  • Dig Depth - 146in
  • O/A Shipping Length - 235in
Air Conditioning System
  • Air Conditioning - The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1287). The system contains 0.9 kg of refrigerant which has a CO2 equivalent of 1.287 metric tonnes.
Standard Equipment:
  • Operator Environment – Cab And Canopy
    • 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
    • Hydraulic Lockout Controls
    • High Back, Suspension Seat
    • Retractable Seat Belt (75 mm/3 in)
    • Coat Hook
    • Cup Holder
    • Literature Holder
    • Mounting Bosses for Top and Front Guards
    • Signaling/Warning Horn
    • Cab and (left side) Boom Work Lights
    • Utility Space for Mobile Phone
    • Next Generation Color LCD Monitor (IP66)
      – 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
  • Operator Environment – Cab Only
    • Operator Sound Pressure 72 dB(A) ISO 6396:2008
    • HVAC with Automatic Temperature Control
    • Integrated Lower Front Window
    • Assisted Front Window Overhead Storage
    • Rear Window Emergency Exit
    • LED Interior Light
    • 12V Power Socket
    • Radio – Bluetooth®, Auxiliary, Microphone, USB (charging only)
    • Skylight
    • Jog dial interface
  • Undercarriage
    • Greased and Lubricated Track
    • Hydraulic Track Adjusters
    • Tie Down Eyes on Track Frame
    • Dozer Straight Blade
    • Dozer Float
    • Bolt-on, Reversible Wear Edge
    • Rubber Tracks
  • Boom, Stick And Linkages
    • One Piece Boom (3055 mm/120.3 in)
    • Standard Stick (1580 mm/62.2 in)
    • Front Shovel Capable – Pin-on/Manual Coupler/Hydraulic Coupler for Cat Tools
    • Thumb Ready
  • Electrical
    • 12 Volt Electrical System
    • 90 Ampere Alternator
    • 650 CCA Maintenance Free Battery
    • Battery Disconnect
    • Circuit Breaker
    • Ignition Key Stop Switch
    • Signaling/Warning Horn
    • Product Link Basic (regulations apply)
    • Travel Alarm
  • Other
    • Locks on External Enclosure Doors
    • Lockable Fuel Cap
    • Beacon Socket
    • Rear Reflectors
Optional Equipment:
  • Operator Environment – Cab And Canopy
    • 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
  • Operator Environment – Cab Only
    • Cab Heat Only
    • Air Suspension Heated Seat
  • Undercarriage
    • Angle Blade
    • Extra Tool Carrier (XTC)
    • Steel Tracks (450 mm/17.7 in wide)
    • Steel Track with Rubber Pads
  • Boom, Stick And Linkages
    • Long Stick (190 mm/78 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)
    • Camera
    • Rotating Beacon
  • Guarding
    • Heavy Duty Front Guard ISO 10262 1998 Level II
    • Mesh Front Guard ISO 10262 1998 Level I
    • Overhead Cab Guard ISO 10262 1998 Level II
    • Polycarbonate Front Window EN356 P5A (Cab Only)
    • Track Guards
  • Other
    • Additional Counterweight
    • Water Jacket Heater
    • Refueling Pump
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