306 CR VAB Mini Excavator

Mini Excavators 306 CR VAB

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Key Specs

Net Power
55.9 HP
41.7 kW
Operating Weight
15766 lb
7150 kg
Displacement
148 in³
2.43 l

Overview

Mini Excavators Inspired by Our Customers

The Cat® 306 CR Variable Angle Boom (VAB) Mini Excavator delivers maximum power and performance in a mini size to help you work in a wide range of applications. The Variable Angle Boom provides the maximum in linkage flexibility in tight applications.

Benefits

4 Industry First Features

Cat Exclusives in a Mini Excavator

Up to 10% Lower Total Ownership Costs

with improved fuel efficiency and longer service intervals

Up to 20% More Performance

with customizable operator settings and improvements in lift, swing, travel and multifunction

Product Specifications for 306 CR VAB

Net Power 55.9 HP 41.7 kW
Displacement 148 in³ 2.43 l
Bore 3.4 in 87 mm
Engine Model Cat C2.4 Turbo Cat C2.4 Turbo
Rated Net Power - 2,200 rpm - U.S. EPA Tier 4 Final/EU Stage V - ISO 9249/EEC 80/1269 55.9 HP 41.7 kW
Gross Power - ISO 14396 57.9 HP 43.2 kW
Note 1 Net power advertised is the power available at the flywheel when the engine is equipped with air cleaner, exhaust system and fan. Net power advertised is the power available at the flywheel when the engine is equipped with air cleaner, exhaust system and fan.
Stroke 4 in 102.4 mm
Note 2 Advertised power is tested per the specific standard in effect at the time of manufacture. Advertised power is tested per the specific standard in effect at the time of manufacture.
Operating Weight 15766 lb 7150 kg
Note (2) **Maximum Weight is based on steel tracks with pads, extra counterweight, operator, full fuel tank, long stick, straight blade and no bucket. **Maximum Weight is based on steel tracks with pads, extra counterweight, operator, full fuel tank, long stick, straight blade and no bucket.
Maximum Operating Weight with Cab** 15982 lb 7248 kg
Minimum Operating Weight with Cab* 14498 lb 6575 kg
Note (1) *Minimum Weight is based on rubber tracks, operator, full fuel tank, standard stick, straight blade and no bucket. *Minimum Weight is based on rubber tracks, operator, full fuel tank, standard stick, straight blade and no bucket.
Long Stick 97 lb 44 kg
Steel Tracks with Pads 827 lb 375 kg
Counterweight 551 lb 250 kg
Travel Speed - High 3.1 mile/h 5 km/h
Ground Pressure - Minimum Weight 5.2 psi 35.9 kPa
Maximum Traction Force - High Speed 6969 lbf 31 kN
Maximum Traction Force - Low Speed 12589 lbf 56 kN
Travel Speed - Low 1.7 mile/h 2.8 km/h
Ground Pressure - Maximum Weight 5.7 psi 39.5 kPa
Gradeability - Maximum 30 degrees 30 degrees
Hydraulic Tank 14 gal (US) 53 l
Engine Oil 2.1 gal (US) 8 l
Fuel Tank 34.3 gal (US) 130 l
Hydraulic System 27.5 gal (US) 104 l
Cooling System 2.6 gal (US) 10 l
Auxiliary Circuit - Primary - Flow 24 gal/min 90 l/min
Auxiliary Circuit - Primary - Pressure 3553 psi 24500 kPa
Type Load Sensing Hydraulics with Variable Displacement Piston Pump Load Sensing Hydraulics with Variable Displacement Piston Pump
Operating Pressure - Equipment 3553 psi 24500 kPa
Digging Force - Stick - Long 5823 lbf 25.9 kN
Auxiliary Circuit - Secondary - Pressure 3553 psi 24500 kPa
Operating Pressure - Swing 3263 psi 22500 kPa
Operating Pressure - Travel 3553 psi 24500 kPa
Digging Force - Stick - Standard 6430 lbf 28.6 kN
Auxiliary Circuit - Secondary - Flow 9 gal/min 33 l/min
Digging Force - Bucket 11578 lbf 51.5 kN
Pump Flow at 2,400 rpm 40 gal/min 151 l/min
Boom Swing - Right 65 degrees 65 degrees
Boom Swing - Left 60 degrees 60 degrees
Machine Swing Speed 11 r/min 11 r/min
Straight Blade Height 15.4 in 390 mm
Straight Blade Width 78 in 1980 mm
Top Guard ISO 10262:1998 - Level II (Optional) ISO 10262:1998 - Level II (Optional)
Roll Over Protective Structure (ROPS) ISO 12117-2:2008 ISO 12117-2:2008
Tip Over Protective Structure (TOPS) ISO 12117:1997 ISO 12117:1997
Average Exterior Sound Pressure (ISO 6395:2008) 99 dB(A) 99 dB(A)
Note European Union Directive “2000/14/EC” European Union Directive “2000/14/EC”
Operator Sound Pressure (ISO 6396:2008) 72 dB(A) 72 dB(A)
Air Conditioning The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 0.9 kg of refrigerant which has a CO2 equivalent of 1.287 metric tonnes. The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 0.9 kg of refrigerant which has a CO2 equivalent of 1.287 metric tonnes.
Tail Swing with Counterweight 1475 in 58 mm
Ground Clearance 12 in 306 mm
Boom Swing Right 36 in 910 mm
Swing Bearing Height 27 in 672 mm
Boom Swing Left 29 in 735 mm
Maximum Blade Depth 600 in 24 mm
Maximum Dig Height 3005 in 118.3 mm
Maximum Blade Height 16 in 415 mm
Track Belt/Shoe Width 16 in 400 mm
Boom in Reach 129 in 3276 mm
Overall Track Width 1980 in 78 mm
Vertical Wall 57.9 in 1470 mm
Cab Height 100 in 2545 mm
Tail Swing without Counterweight 53 in 1350 mm
Maximum Reach 3910 in 153.9 mm
Maximum Reach at Ground Level 141.5 in 3595 mm
Dig Depth 117.1 in 2975 mm
Stick Length 62 in 1580 mm
Overall Undercarriage Length 102 in 2580 mm
Maximum Dump Clearance 2550 in 100.4 mm
Overall Shipping Length with Counterweight without Attachment* 208.5 in 5295 mm
Overall Shipping Length without Counterweight with Attachment* 213.8 in 5430 mm
Overall Shipping Length without Counterweight without Attachment* 203.5 in 5170 mm
Boom Height in Shipping Position with Attachment* 94.7 in 2405 mm
Boom Height in Shipping Position without Attachment* 94.7 in 2405 mm
Width Over Upper House 77 in 1950 mm
Overall Shipping Length with Counterweight with Attachment* 218.7 in 5555 mm
Vertical Wall 3290 in 129.5 mm
Ground Clearance 306 in 12 mm
Boom in Reach 2642 in 104 mm
Dig Depth 3940 in 155.1 mm
Cab Height 2545 in 100 mm
Tail Swing with Counterweight 1475 in 58 mm
Maximum Reach at Ground Level 264 in 6705 mm
Maximum Dump Clearance 203 in 5155 mm
Maximum Blade Height 16 in 415 mm
Boom Swing Left 29 in 735 mm
Maximum Reach 269.9 in 6855 mm
Maximum Blade Depth 24 in 600 mm
Swing Bearing Height 27 in 672 mm
Stick Length 1980 in 78 mm
Boom Swing Right 910 in 36 mm
Tail Swing without Counterweight 1350 in 53 mm
Overall Track Width 1980 in 78 mm
Track Belt/Shoe Width 16 in 400 mm
Overall Undercarriage Length 102 in 2580 mm
Maximum Dig Height 6680 in 263 mm
Width Over Upper House 77 in 1950 mm
Overall Shipping Length with Counterweight without Attachment* 208.5 in 5295 mm
Boom Height in Shipping Position without Attachment* 94.7 in 2405 mm
Overall Shipping Length without Counterweight without Attachment* 203.5 in 5170 mm
Boom Height in Shipping Position with Attachment* 94.7 in 2405 mm
Overall Shipping Length without Counterweight with Attachment* 213.8 in 5430 mm
Overall Shipping Length with Counterweight with Attachment* 218.7 in 5555 mm
Tail Swing without Counterweight 53 in 1350 mm
Maximum Reach at Ground Level 279.5 in 7100 mm
Overall Shipping Length with Counterweight with Attachment* 234.6 in 5960 mm
Boom Swing Right 36 in 910 mm
Ground Clearance 12 in 306 mm
Overall Shipping Length without Counterweight without Attachment* 204.9 in 5205 mm
Maximum Blade Height 16 in 415 mm
Overall Shipping Length without Counterweight with Attachment* 229.7 in 5835 mm
Tail Swing with Counterweight 58 in 1475 mm
Swing Bearing Height 27 in 672 mm
Stick Length 78 in 1980 mm
Overall Track Width 78 in 1980 mm
Width Over Upper House 77 in 1950 mm
Track Belt/Shoe Width 16 in 400 mm
Boom Swing Left 29 in 735 mm
Overall Shipping Length with Counterweight without Attachment* 209.8 in 5330 mm
Overall Undercarriage Length 102 in 2580 mm
Cab Height 100 in 2545 mm
Boom Height in Shipping Position without Attachment* 96.1 in 2440 mm
Boom in Reach 123.8 in 3144 mm
Maximum Dump Clearance 215.2 in 5465 mm
Dig Depth 170.9 in 4340 mm
Maximum Reach 285 in 7240 mm
Maximum Blade Depth 24 in 600 mm
Maximum Dig Height 275.4 in 6995 mm
Vertical Wall 146.5 in 3720 mm
Dig Depth 127.6 in 3240 mm
Boom Height in Shipping Position without Attachment* 96.1 in 2440 mm
Cab Height 100 in 2545 mm
Boom Swing Left 29 in 735 mm
Tail Swing without Counterweight 53 in 1350 mm
Track Belt/Shoe Width 16 in 400 mm
Ground Clearance 12 in 306 mm
Maximum Blade Depth 24 in 600 mm
Overall Shipping Length without Counterweight with Attachment* 5205 mm 5835 mm
Maximum Blade Height 16 in 415 mm
Overall Shipping Length with Counterweight without Attachment* 209.8 in 5330 mm
Maximum Dump Clearance 97.6 in 2480 mm
Width Over Upper House 77 in 1950 mm
Overall Shipping Length without Counterweight with Attachment* 204.9 in 229.7 in
Stick Length 62 in 1580 mm
Maximum Reach at Ground Level 156.7 in 3980 mm
Vertical Wall 74.6 in 1895 mm
Boom in Reach 131.5 in 3341 mm
Maximum Dig Height 116.5 in 2960 mm
Swing Bearing Height 27 in 672 mm
Overall Undercarriage Length 102 in 2580 mm
Tail Swing with Counterweight 58 in 1475 mm
Overall Track Width 78 in 1980 mm
Overall Shipping Length with Counterweight with Attachment* 234.6 in 5960 mm
Boom Swing Right 36 in 910 mm
Maximum Reach 167.5 in 4255 mm

306 CR VAB Standard Equipment

OPERATOR ENVIRONMENT – CAB

  • 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

  • Variable Angle Boom
  • Standard Stick (1580 mm/62.2 in)
  • Front Shovel Capable – Pin-on/Manual Coupler/Hydraulic Coupler for Cat Tools
  • Thumb Ready
  • 2nd Auxiliary Hydraulic Lines
  • Boom Lowering Check Valve
  • Stick Lowering Check Valve

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

306 CR VAB Optional Equipment

OPERATOR ENVIRONMENT – CAB

  • 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
  • Seat Belt Reminder System

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
  • 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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