306 CR Mini Hydraulic Excavator

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Description
Technical Specifications
Benefits and Features
Equipment

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 55.9 HP
Engine Model Cat C2.4 Turbo
Gross Power - ISO 14396 57.9 HP
Displacement 148 in³
Bore 3.4 in
Stroke 4 in
Net Power @ 2,200 rpm - U.S. EPA Tier 4 Final/EU Stage V - ISO 9249/EEC 80/1269 55.9 HP
Weights
Operating Weight 15766 lb
Minimum Operating Weight with Canopy* 14134 lb
Maximum Operating Weight with Canopy** 15633 lb
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** 15766 lb
Minimum Operating Weight with Cab* 14266 lb
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 162 in
Maximum Blade Height 16 in
O/A Track Width 78 in
Track Belt/Shoe Width 16 in
Tail Swing with Counterweight 58 in
Vertical Wall 125 in
Boom In Reach 117 in
Maximum Blade Depth 24 in
Maximum Dig Height 241 in
Transport Height 95 in
Stick Length 78 in
Ground Clearance 12 in
Swing Bearing - Height 27 in
Width over Upper House 77 in
O/A Undercarriage Length 102 in
O/A Shipping Length 234 in
Cab Height 100 in
Maximum Reach 263 in
Boom Swing - Left 29 in
Tail Swing without Counterweight 53 in
Boom Swing - Right 36 in
Maximum Dump Clearance 182 in
Maximum Reach - Ground Level 257 in
Swing System
Boom Swing - Right 65 degrees
Boom Swing - Left 60 degrees
Machine Swing Speed 11 r/min
Weight Increase from Minimum Configuration
Counterweight 551 lb
Long Stick 97 lb
Steel Tracks with Pads 827 lb
Angle Blade 225 lb
XTC Carriage (no tool) 141 lb
Travel System
Ground Pressure - Minimum Weight 5.1 psi
Ground Pressure - Maximum Weight 5.7 psi
Gradeability - Maximum 30 degrees
Maximum Traction Force - High Speed 6969 lbf
Maximum Traction Force - Low Speed 12589 lbf
Travel Speed - High 3.1 mile/h
Travel Speed - Low 1.7 mile/h
Service Refill Capacities
Cooling System 2.6 gal (US)
Hydraulic System 27.5 gal (US)
Hydraulic Tank 14 gal (US)
Engine Oil 2.1 gal (US)
Fuel Tank 34.3 gal (US)
Hydraulic System
Operating Pressure - Travel 3553 psi
Auxiliary Circuit - Primary - Flow 24 gal/min
Digging Force - Bucket 11578 lbf
Auxiliary Circuit - Primary - Pressure 3553 psi
Type Load Sensing Hydraulics with Variable Displacement Piston Pump
Auxiliary Circuit - Secondary - Flow 9 gal/min
Operating Pressure - Equipment 3553 psi
Auxiliary Circuit - Secondary - Pressure 3553 psi
Digging Force - Stick - Standard 6632 lbf
Operating Pressure - Swing 3263 psi
Digging Force - Stick - Long 5957 lbf
Pump Flow at 2,400 rpm 40 gal/min
Blade
Straight Blade Width 78 in
Angle Blade Width 78 in
Straight Blade Height 15.4 in
Angle Blade Height 15.7 in
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) 72 dB(A)
Average Exterior Sound Pressure (ISO 6395:2008) 99 dB(A)
Note European Union Directive “2000/14/EC”
Dimensions - Standard Stick
Track Belt/Shoe Width 16 in
Maximum Reach 248 in
Stick Length 62 in
Vertical Wall 107 in
Swing Bearing - Height 27 in
Maximum Reach - Ground Level 241 in
Maximum Blade Height 16 in
Ground Clearance 12 in
Boom In Reach 98 in
Boom Swing - Right 36 in
Transport Height 69 in
Tail Swing with Counterweight 58 in
Cab Height 100 in
Width over Upper House 77 in
Maximum Dump Clearance 170 in
Tail Swing without Counterweight 53 in
Boom Swing - Left 29 in
O/A Undercarriage Length 102 in
Maximum Dig Height 230 in
Maximum Blade Depth 24 in
O/A Track Width 78 in
Dig Depth 146 in
O/A Shipping Length 235 in
Sustainability
Recyclability 96%
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.

ALL DAY COMFORT

  • Your choice of a canopy (availability dependent on region) or a sealed and pressurized cab equipped with an improved air conditioning system, adjustable wrist rests and a suspension seat to help keep you working comfortably all day long.

EASY TO OPERATE

  • Controls are easy to use and the intuitive Next Generation Monitor provides customizable machine operator preferences and easy to read machine information.

STICK STEER TRAVEL MODE

  • Moving around the job site is even easier with Cat Stick Steer. Easily switch from traditional travel controls with levers and pedals to joystick controls with a push of a button. The benefit of less effort and improved control is in your hands!

BIG PERFORMANCE IN A MINI DESIGN

  • Increased lifting, swinging, travel and multi-functioning performance help you get the job done more efficiently.

SAFETY ON THE JOB SITE

  • Your safety is our top priority. The Cat Mini Excavator is designed to help keep you safe on the job. An optional back-up camera, courtesy work lights and a fluorescent retractable seat belt are just a few of the safety features we've built into the machine.

SIMPLE SERVICE FOR LESS DOWNTIME

  • Maintenance is quick and easy on the Cat Mini Excavator. Routine check points are easy to access at ground level with grouped service points and robust service panels.

LOWER OPERATING COSTS

  • Equipped with features such as auto idle, auto engine shutdown, and efficient hydraulics with a variable displacement pump, the Cat Mini Excavator was designed with reducing your operating costs in mind.

CHOICES

  • Configure the machine to meet your specific application needs with a straight blade, angle blade, or Extra Tool Carrier (XTC).

UNMATCHED DEALER SUPPORT

  • Your Cat dealer is here to help you reach your business goals. From providing equipment solutions to operator training to service needs and beyond, your Cat dealer is ready to help.

SUSTAINABILITY

  • The Cat® C2.4 engine meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards.
  • Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels up to: 20% biodiesel FAME (fatty acid methyl ester) * or 100% renewable diesel, HVO (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels. Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details.
  • Auto Idle helps reduce unnecessary fuel burn and greenhouse gas emissions by allowing the engine to automatically go into idle mode when the machine is not working.
  • Engine Idle Shutdown Timer reduces fuel burn, greenhouse gas emissions and unnecessary idle time by shutting down the machine after a pre-set idling period.
  • Cruise control helps you maintain a constant speed as you travel across your jobsite saving fuel and reducing greenhouse gas emissions.
  • The Cat® Seat Belt Reminder provides audible and visual warnings to remind operators to buckle up during machine operation. The easy-to-install system is compatible with all equipment brands to help ensure operator safety.
  • Extended maintenance intervals not only reduce downtime but decrease the amount of fluid and filters that are replaced over the life of the machine.
  • Remote Flash minimizes downtime and maintenance time while keeping your asset running with maximum efficiency. Alerts for machine updates are sent virtually from your Cat dealer and updates can be deployed without a dealer technician needing to be onsite.(if equipped)
  • Remote Troubleshoot decreases maintenance time and keeps your machine running with maximum efficiency by allowing your Cat dealer to virtually test the machine while working. Once a problem is identified, a technician can fix it the first time, saving time and money.(if equipped)
  • Cat Grade with advanced 2D and 3D technologies combine advanced guidance with optional automated machine control helping you reach grading targets while reducing fuel burn and greenhouse gas emissions by improving efficiency, job site productivity, and accuracy. (if equipped).

*Engines with no aftertreatment devices can use higher blends, up to 100% biodiesel. (for use of blends higher than 20% biodiesel, consult your Cat dealer)

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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