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
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
Gross Power - ISO 14396 - 57.9HP

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

Sustainability

Recyclability - 96%

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