306 CR Mini Hydraulic Excavator

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CALCULATE FINANCE

ALL DAY COMFORT

  • Your choice of a canopy or a sealed and pressurized cab is 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 the Cat Stick Steer option. 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).

Engine
Net Power 41.7 kW (55.9 HP)
Engine Model Cat C2.4 Turbo
Gross Power - ISO 14396 43.2 kW (57.9 HP)
Displacement 2.43 l (148 inu00b3)
Bore 87 mm (3.4 in)
Stroke 102.4 mm (4 in)
Rated Net Power @ 2,200 rpm - U.S. EPA Tier 4 Final/EU Stage V - ISO 9249/EEC 80/1269 41.7 kW (55.9 HP)
Weights
Operating Weight 7175 kg (15821 lb)
Minimum Operating Weight with Canopy* 6411 kg (14136 lb)
Maximum Operating Weight with Canopy** 7107 kg (15671 lb)
Note (2) **Maximum Weight is based on steel tracks, extra counterweight, operator, full fuel tank, long stick, blade and bucket.
Maximum Operating Weight with Cab** 7175 kg (15821 lb)
Minimum Operating Weight with Cab* 6485 kg (14299 lb)
Note (1) *Minimum Weight is based on rubber tracks, operator, full fuel tank, standard stick, blade and bucket.
Weight Increase from Minimum Configuration
Counterweight 250 kg (551 lb)
Long Stick 44 kg (97 lb)
Steel Tracks with Pads 375 kg (827 lb)
Angle Blade 102 kg (225 lb)
XTC Carriage (no tool) 64 kg (141 lb)
Travel System
Ground Pressure - Minimum Weight 35.4 kPa (5.1 psi)
Ground Pressure - Maximum Weight 39.1 kPa (5.7 psi)
Gradeability - Maximum 30 degrees
Maximum Traction Force - High Speed 31 kN (6969 lbf)
Maximum Traction Force - Low Speed 56 kN (12589 lbf)
Travel Speed - High 5 km/h (3.1 mile/h)
Travel Speed - Low 2.8 km/h (1.7 mile/h)
Service Refill Capacities
Cooling System 10 l (2.6 gal (US))
Hydraulic System 75 l (19.8 gal (US))
Hydraulic Tank 39 l (10.3 gal (US))
Engine Oil 8 l (2.1 gal (US))
Fuel Tank 130 l (34.3 gal (US))
Hydraulic System
Operating Pressure - Travel 245 bar (3553 psi)
Auxiliary Circuit - Primary - Flow 90 l/min (24 gal/min)
Digging Force - Bucket 51.5 kN (11578 lbf)
Auxiliary Circuit - Primary - Pressure 245 bar (3553 psi)
Type Load Sensing Hydraulics with Variable Displacement Piston Pump
Auxiliary Circuit - Secondary - Flow 33 l/min (9 gal/min)
Operating Pressure - Equipment 245 bar (3553 psi)
Auxiliary Circuit - Secondary - Pressure 245 bar (3553 psi)
Digging Force - Stick - Standard 29.5 kN (6632 lbf)
Operating Pressure - Swing 210 bar (3046 psi)
Digging Force - Stick - Long 26.5 kN (5957 lbf)
Pump Flow at 2,400 rpm 173 l/min (46 gal/min)
Swing System
Machine Swing Speed 11 r/min (11 r/min)
Blade
Straight Blade Width 1980 mm (78 in)
Angle Blade Width 1980 mm (78 in)
Straight Blade Height 390 mm (15.4 in)
Angle Blade Height 400 mm (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) (72 dB(A))
Average Exterior Sound Pressure (ISO 6395:2008) 99 dB(A) (99 dB(A))
Note European Union Directive u201c2000/14/ECu201d
Dimensions - Standard Stick
Track Belt/Shoe Width 400 mm (16 in)
Maximum Reach 6295 mm (248 in)
Stick Length 1580 mm (62 in)
Vertical Wall 2710 mm (107 in)
Swing Bearing - Height 672 mm (26 in)
Maximum Reach - Ground Level 6130 mm (241 in)
Maximum Blade Height 415 mm (16 in)
Ground Clearance 306 mm (12 in)
Boom In Reach 2485 mm (98 in)
Boom Swing - Right 910 mm (36 in)
Transport Height 1755 mm (69 in)
Tail Swing with Counterweight 1475 mm (58 in)
Cab Height 2545 mm (100 in)
Width over Upper House 1950 mm (77 in)
Maximum Dump Clearance 4325 mm (170 in)
Tail Swing without Counterweight 1350 mm (53 in)
Boom Swing - Left 735 mm (29 in)
O/A Undercarriage Length 2580 mm (102 in)
Maximum Dig Height 5835 mm (230 in)
Maximum Blade Depth 600 mm (24 in)
O/A Track Width 1980 mm (78 in)
Dig Depth 3710 mm (146 in)
O/A Shipping Length 5975 mm (235 in)
Dimensions - Long Stick
Dig Depth 4110 mm (162 in)
Maximum Blade Height 415 mm (16 in)
O/A Track Width 1980 mm (78 in)
Track Belt/Shoe Width 400 mm (16 in)
Tail Swing with Counterweight 1475 mm (58 in)
Vertical Wall 3165 mm (125 in)
Boom In Reach 2960 mm (117 in)
Maximum Blade Depth 600 mm (24 in)
Maximum Dig Height 6130 mm (241 in)
Transport Height 2410 mm (95 in)
Stick Length 1980 mm (78 in)
Ground Clearance 306 mm (12 in)
Swing Bearing - Height 672 mm (26 in)
Width over Upper House 1950 mm (77 in)
O/A Undercarriage Length 2580 mm (102 in)
O/A Shipping Length 5950 mm (234 in)
Cab Height 2545 mm (100 in)
Maximum Reach 6685 mm (263 in)
Boom Swing - Left 735 mm (29 in)
Tail Swing without Counterweight 1350 mm (53 in)
Boom Swing - Right 910 mm (36 in)
Maximum Dump Clearance 4610 mm (181 in)
Maximum Reach - Ground Level 6535 mm (257 in)
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

  • ENGINE
    • Cat C2.4T 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
    • Side by Side Engine and Hydraulic Oil Cooler
    • Extended Life Coolant, –37° C (–35° F)
    • Ecology Drain
  • HYDRAULICS
    • Smart Tech Electronic Pump
    • Variable Displacement Piston Pump
    • Load Sensing/Flow Sharing Hydraulics
    • Power On Demand
    • Hydraulic Temperature Monitoring
    • Certified Accumulator
    • Hydro Advanced Hydraulic Oil
    • Auxiliary Hydraulic Lines:
      – 1 and 2-way (combined function)
    • Auxiliary Line Quick Disconnects
    • Adjustable Auxiliary Flow
    • Continuous Flow
    • Adjustable Auxiliary Relief
  • OPERATOR ENVIRONMENT
    • Canopy or Sealed and Pressurized Cab
    • Operator Sound Pressure 72 dB(A) ISO 6396:2008
    • 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
    • ROPS – ISO 12117-2:2008
    • TOPS – ISO 12117:1997
    • Signaling/Warning Horn
    • Cab and (left side) Boom Work Lights
    • Utility Space for Mobile Phone
    • 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
    • Cab Machines Only
      – 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®, USB, Auxiliary, Microphone
      – Skylight
  • 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)
    • Long Stick (1980 mm/78.0 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
    • 90 Ampere Alternator
    • 650 CCA Maintenance Free Battery
    • Battery Disconnect
    • Circuit Breaker
    • Ignition Key Stop Switch
    • Signaling/Warning Horn
    • Product Link™ Basic (regulations apply, not available in all regions)
    • Travel Alarm
  • OTHER
    • Locks on External Enclosure Doors
    • Lockable Fuel Cap
    • Beacon Socket
    • Rear Reflectors

Optional Equipment

  • OPERATOR ENVIRONMENT
    • Cab (see Standard Equipment)
    • Next Generation Advanced Monitor
      – Touch Screen
      – Site Reference System
      – High Definition Camera Capable
    • Rain Visor
    • Air Suspension Heated Seat with Cab
    • Top Guard – ISO 10262:1998 (Level II)
  • ELECTRICAL
    • Product Link Elite (regulations apply, not available in all regions)
    • Rearview Camera
    • Rotating Beacon
  • OTHER
    • Attachments including Buckets, Augers and Hammers
    • Angle Blade
    • Extra Tool Carrier (XTC)
    • Steel Tracks (450 mm/17.7 in wide)
    • Steel Track with Rubber Pads
    • 2nd Auxiliary Hydraulic Lines
    • Additional Counterweight
    • Boom and Stick Hose Burst Check Valves
    • Bucket Linkage with Lift Eye
    • Track Guides
    • Water Jacket Heater
    • Refueling Pump
    • Cab Guarding

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