306 CR Mini Hydraulic Excavator

306 CR Mini Hydraulic Excavator

Net Power55.9 hp
Gross Power – ISO 1439657.9 hp
Displacement148 in³
Bore3.4 in
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Learn more about our 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.

Net Power
55.9hp
Gross Power - ISO 14396
57.9hp
Displacement
148in³
Bore
3.4in
Stroke
4in
Engine Model
Cat C2.4 Turbo
Net Power @ 2,200 rpm - U.S. EPA Tier 4 Final/EU Stage V - ISO 9249/EEC 80/1269
55.9hp
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.
Dig Depth
162in
Boom Swing - Right
36in
Maximum Dump Clearance
182in
Maximum Reach - Ground Level
257in
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
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.
Recyclability
96%
Counterweight
551lb
Long Stick
97lb
Steel Tracks with Pads
827lb
Angle Blade
225lb
XTC Carriage (no tool)
141lb
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
Cooling System
2.6gal (US)
Hydraulic System
27.5gal (US)
Hydraulic Tank
14gal (US)
Engine Oil
2.1gal (US)
Fuel Tank
34.3gal (US)
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
Boom Swing - Right
65 degrees
Boom Swing - Left
60 degrees
Machine Swing Speed
11r/min
Straight Blade Width
78in
Angle Blade Width
78in
Straight Blade Height
15.4in
Angle Blade Height
15.7in
Top Guard
ISO 10262:1998 (Level II)
Roll Over Protective Structure (ROPS)
ISO 12117-2:2008
Tip Over Protective Structure (TOPS)
ISO 12117:1997
Operator Sound Pressure (ISO 6396:2008)
72dB(A)
Average Exterior Sound Pressure (ISO 6395:2008)
99dB(A)
Note
European Union Directive “2000/14/EC”
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
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 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
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
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
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
Locks on External Enclosure Doors
Lockable Fuel Cap
Beacon Socket
Rear Reflectors
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
Cab Heat Only
Air Suspension Heated Seat
Angle Blade
Extra Tool Carrier (XTC)
Steel Tracks (450 mm/17.7 in wide)
Steel Track with Rubber Pads
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
Product Link Elite (regulations apply)
Camera
Rotating Beacon
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
Additional Counterweight
Water Jacket Heater
Refueling Pump
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