336 Excavator

  • Specs Summary
  • Net Power
    55.9 HP (41.7 kW)
  • Operating Weight
    15766 lb (7150 kg)
  • Operating Weight
  • Maximum Digging Depth

306 CR Mini Hydraulic Excavator

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.
  • Boom Swing - Right 36 in (910 mm)
  • Boom Swing - Left 29 in (735 mm)
  • Auxiliary Circuit - Secondary - Flow 9 gal/min (33 l/min)
  • Maximum Reach - Ground Level 241 in (6130 mm)
  • Note (1) ( )
  • Swing Bearing - Height 27 in (672 mm)
  • Type ( )
  • Ground Pressure - Minimum Weight 5.1 psi (35.4 kPa)
  • Digging Force - Stick - Standard 6632 lb (29.5 kN)
  • Auxiliary Circuit - Secondary - Pressure 3553 psi (24500 bar)
  • Stick Length 62 in (1580 mm)
  • Stick Length 78 in (1980 mm)
  • O/A Shipping Length 235 in (5975 mm)
  • Maximum Blade Height 16 in (415 mm)
  • Hydraulic System 27.5 gal (US) (104 l)
  • Digging Force - Stick - Long 5957 lb (26.5 kN)
  • Boom In Reach 98 in (2485 mm)
  • Steel Tracks with Pads 827 lb (375 kg)
  • Dig Depth 162 in (4110 mm)
  • Machine Swing Speed 11 r/min (11 r/min)
  • Operating Pressure - Travel 3553 psi (24500 bar)
  • Fuel Tank 34.3 gal (US) (130 l)
  • Net Power 55.9 HP (41.7 kW)
  • Operating Weight 15766 lb (7150 kg)
  • Engine Model ( )
  • Engine Oil 2.1 gal (US) (8 l)
  • Maximum Operating Weight with Cab** 15766 lb (7150 kg)
  • Tail Swing with Counterweight 58 in (1475 mm)
  • Travel Speed - High 3.1 mile/h (5 km/h)
  • Maximum Reach - Ground Level 257 in (6535 mm)
  • Gross Power - ISO 14396 57.9 HP (43.2 kW)
  • Digging Force - Bucket 11578 lb (51.5 kN)
  • Vertical Wall 107 in (2710 mm)
  • Maximum Blade Height 16 in (415 mm)
  • Cab Height 100 in (2545 mm)
  • Pump Flow at 2,400 rpm 40 gal/min (151 l/min)
  • Maximum Blade Depth 24 in (600 mm)
  • Maximum Traction Force - High Speed 6969 lb (31 kN)
  • Transport Height 95 in (2410 mm)
  • Boom In Reach 117 in (2960 mm)
  • Ground Clearance 12 in (306 mm)
  • Maximum Reach 248 in (6295 mm)
  • Top Guard ( )
  • Transport Height 69 in (1755 mm)
  • Cab Height 100 in (2545 mm)
  • O/A Track Width 78 in (1980 mm)
  • Travel Speed - Low 1.7 mile/h (2.8 km/h)
  • Boom Swing - Left 29 in (735 mm)
  • O/A Track Width 78 in (1980 mm)
  • Displacement 148 in³ (2.43 l)
  • Ground Clearance 12 in (306 mm)
  • Roll Over Protective Structure (ROPS) ( )
  • Ground Pressure - Maximum Weight 5.7 psi (39.1 kPa)
  • Swing Bearing - Height 27 in (672 mm)
  • Tail Swing without Counterweight 53 in (1350 mm)
  • Boom Swing - Right 36 in (910 mm)
  • Tail Swing with Counterweight 58 in (1475 mm)
  • Maximum Traction Force - Low Speed 12589 lb (56 kN)
  • Maximum Dig Height 230 in (5835 mm)
  • Tail Swing without Counterweight 53 in (1350 mm)
  • Maximum Reach 263 in (6685 mm)
  • Track Belt/Shoe Width 16 in (400 mm)
  • Dig Depth 146 in (3710 mm)
  • Average Exterior Sound Pressure (ISO 6395:2008) 99 dB(A) (99 dB(A))
  • Operator Sound Pressure (ISO 6396:2008) 72 dB(A) (72 dB(A))
  • Long Stick 97 lb (44 kg)
  • Vertical Wall 125 in (3165 mm)
  • Maximum Dump Clearance 170 in (4325 mm)
  • Counterweight 551 lb (250 kg)
  • Stroke 4 in (102.4 mm)
  • Track Belt/Shoe Width 16 in (400 mm)
  • O/A Undercarriage Length 102 in (2580 mm)
  • Minimum Operating Weight with Cab* 14266 lb (6470 kg)
  • O/A Shipping Length 234 in (5950 mm)
  • O/A Undercarriage Length 102 in (2580 mm)
  • Gradeability - Maximum ( )
  • Air Conditioning ( )
  • Note ( )
  • Maximum Dig Height 241 in (6130 mm)
  • Bore 3.4 in (87 mm)
  • Maximum Dump Clearance 182 in (4610 mm)
  • Operating Pressure - Swing 3263 psi (22500 bar)
  • Maximum Blade Depth 24 in (600 mm)
  • Tip Over Protective Structure (TOPS) ( )
  • Note (2) ( )
  • Boom Swing - Right ( )
  • Auxiliary Circuit - Primary - Pressure 3553 psi (24500 bar)
  • Auxiliary Circuit - Primary - Flow 24 gal/min (90 l/min)
  • Boom Swing - Left ( )
  • Minimum Operating Weight with Canopy* 14134 lb (6410 kg)
  • Maximum Operating Weight with Canopy** 15633 lb (7090 kg)
  • Angle Blade 225 lb (102 kg)
  • XTC Carriage (no tool) 141 lb (64 kg)
  • Straight Blade Width 78 in (1980 mm)
  • Angle Blade Width 78 in (1980 mm)
  • Straight Blade Height 15.4 in (390 mm)
  • Angle Blade Height 15.7 in (400 mm)
  • Width over Upper House 77 in (1950 mm)
  • Width over Upper House 77 in (1950 mm)
  • 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)
  • Cooling System 2.6 gal (US) (10 l)
  • Hydraulic Tank 14 gal (US) (53 l)
  • Operating Pressure - Equipment 3553 psi (24500 bar)

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)<br>– Fuel Level and Coolant Temperature Gauges<br>– Maintenance and Machine Monitoring<br>– Performance and Machine Adjustments<br>– Numeric Security Code<br>– Multiple Languages<br>– Camera Ready (IP68 & IP69K)<br>– 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)<br>– Touch Screen<br>– Site Reference System<br>– High Definition Camera Capable (IP68 & IP69K)<br>– 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