Home New Excavators 306 CR Mini Hydraulic Excavator

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.

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Specifications
Standard/Optional Features

Engine

Net Power	55.9hp
Gross Power - ISO 14396	57.9hp
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

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

Swing System

Boom Swing - Right	65 degrees
Boom Swing - Left	60 degrees
Machine Swing Speed	11r/min

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	24gpm
Digging Force - Bucket	11578lbf
Auxiliary Circuit - Primary - Pressure	3553psi
Type	Load Sensing Hydraulics with Variable Displacement Piston Pump
Auxiliary Circuit - Secondary - Flow	9gpm
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	40gpm

Blade

Straight Blade Width	78in
Angle Blade Width	78in
Straight Blade Height	15.4in
Angle Blade Height	15.7in

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

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.

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