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Mini Excavators
309 CR Mini Hydraulic Excavator
Operating Weight
21,091 lb
Dig Depth
182.8 in
Engine Model
93.0 hp
Cat C3.3B
THIS IS MY SELECT
backhoe loader
309 CR Mini Hydraulic Excavator
Operating Weight
21,091 lb
Dig Depth
182.8 in
Engine Model
93.0 hp
Cat C3.3B
Specifications
The Cat ® 309 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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Note
93.0 in
93.0 mm
The 309 CR specifications are based on a machine configured with a Long (L) Undercarriage.
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Roll Over Protective Structure (ROPS)
93.0 in
93.0 mm
ISO 12117-2:2008
Top Guard
93.0 in
93.0 mm
ISO 10262:1998 (Level I)
Tip Over Protective Structure (TOPS)
93.0 in
93.0 mm
ISO 12117:1997
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Average Exterior Sound Pressure (ISO 6395:2008)
99 dB(A)
99 dB(A)
Note
93.0 in
93.0 mm
European Union Directive '2000/14/EC'
Operator Sound Pressure (ISO 6396:2008)
72 dB(A)
72 dB(A)
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Boom Swing - Right
36.8 in
935 mm
Maximum Dump Clearance
187.4 in
4,760 mm
Tail Swing without Counterweight
57.1 in
1,450 mm
Maximum Reach - Ground Level
273.6 in
6,949 mm
O/A Undercarriage Length
126 in
3,200 mm
Cab Height
100 in
2,541 mm
Swing Bearing - Height
29.7 in
756 mm
Maximum Dig Height
265.2 in
6,736 mm
Track Belt/Shoe Width
17.7 in
450 mm
O/A Track Width
97.2 in
2,470 mm
Ground Clearance
14 in
356 mm
Maximum Reach
281.1 in
7,141 mm
Tail Swing with Counterweight
62.4 in
1,585 mm
Boom In Reach
120.4 in
3,059 mm
Vertical Wall
117.8 in
2,991 mm
Dig Depth
161.7 in
4,108 mm
Stick Length
71.8 in
1,820 mm
Boom Swing - Left
23.8 in
604 mm
Maximum Blade Height
16.1 in
408 mm
Maximum Blade Depth
26 in
671 mm
Note
93.0 in
93.0 mm
*Boom Height when stick is pinned in transport position with no attachments.
Overall Shipping Length - without Counterweight
266.7 in
6,774 mm
Overall Shipping Length - with Counterweight
266.7 in
6,774 mm
Note (2)
93.0 in
93.0 mm
***With blade positioned at the rear of the machine.
Note (1)
93.0 in
93.0 mm
**Boom Height when stick is pinned in working position with attachments Standard Stick offers only one pin position.
Height - Boom Transport - No Tools*
95.7 in
2,430 mm
Height - Boom Working - With Tools**
104.7 in
2,660 mm
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Dig Depth
182.8 in
4,642 mm
Maximum Dump Clearance
199.7 in
5,072 mm
Boom In Reach
126.6 in
3,215 mm
Vertical Wall
134 in
3,404 mm
Maximum Blade Depth
26 in
671 mm
O/A Undercarriage Length
126 in
3,200 mm
O/A Track Width
97.2 in
2,470 mm
Stick Length
92.8 in
2,358 mm
Maximum Blade Height
16.1 in
408 mm
Maximum Dig Height
277.1 in
7,039 mm
Tail Swing with Counterweight
62.4 in
1,585 mm
Maximum Reach
300.7 in
7,637 mm
Cab Height
100 in
2,541 mm
Ground Clearance
14 in
356 mm
Swing Bearing - Height
29.7 in
756 mm
Track Belt/Shoe Width
17.7 in
450 mm
Boom Swing - Left
23.8 in
604 mm
Boom Swing - Right
36.8 in
935 mm
Tail Swing without Counterweight
57.1 in
1,450 mm
Maximum Reach - Ground Level
293.7 in
7,460 mm
Note
93.0 in
93.0 mm
*Boom Height when stick is pinned in transport position with no attachments.
Note (2)
93.0 in
93.0 mm
***With blade positioned at the rear of the machine.
Note (1)
93.0 in
93.0 mm
**Boom Height when stick is pinned in working position with attachments Standard Stick offers only one pin position.
Height - Boom Transport - No Tools*
89 in
2,260 mm
Overall Shipping Length - with Counterweight
93.0 in
93.0 mm
7052 mm (277.6 in)***
Height - Boom Working - With Tools**
120.1 in
3,050 mm
Overall Shipping Length - without Counterweight
93.0 in
93.0 mm
7052 mm (277.6 in)***
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Air Conditioning
93.0 in
93.0 mm
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.0 kg of refrigerant which has a CO2 equivalent of 1.430 metric tonnes.
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Engine Model
93.0 in
93.0 mm
Cat C3.3B
Displacement
203 in³
3.33 l
Bore
3.7 in
94 mm
Stroke
4.7 in
120 mm
Gross Power - SAE J1995
74.3 HP
55.4 kW
Rated Net Power - 2,200 rpm - U.S. EPA Tier 4 Final/EU Stage V - ISO 9249/EEC 80/1269
69.5 HP
51.8 kW
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Operating Weight
21,091 lb
9,565 kg
Maximum Operating Weight with Cab**
21,091 lb
9,565 kg
Note (1)
93.0 in
93.0 mm
*Minimum Weight is based on steel tracks, no counterweight, operator, full fuel tank, standard stick, blade and no bucket.
Note (2)
93.0 in
93.0 mm
**Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, long stick, blade and no bucket.
Minimum Operating Weight with Cab*
19,735 lb
8,950 kg
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Steel Tracks with Pads
728 lb
330 kg
Long Stick
146 lb
66 kg
Counterweight
552 lb
250 kg
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Gradeability - Maximum
93.0 in
93.0 mm
30 degrees
Ground Pressure - Minimum Weight
5 psi
34.7 kPa
Ground Pressure - Maximum Weight
5.4 psi
37.1 kPa
Travel Speed - High
3.1 mile/h
4.9 km/h
Travel Speed - Low
1.6 mile/h
2.6 km/h
Maximum Traction Force - High Speed
6,497 lb
28.9 kN
Maximum Traction Force - Low Speed
19,064 lb
84.8 kN
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Engine Oil
3 gal (US)
11.2 l
Fuel Tank
39 gal (US)
147 l
Hydraulic System
29 gal (US)
110 l
Cooling System
2.6 gal (US)
10 l
Hydraulic Tank
14 gal (US)
53 l
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Type
93.0 in
93.0 mm
Load Sensing Hydraulics with Variable Displacement Piston Pump
Operating Pressure - Swing
3,626 psi
250 bar
Digging Force - Stick - Standard
9,500 lb
42.3 kN
Digging Force - Stick - Long
8,023 lb
35.7 kN
Operating Pressure - Travel
4,134 psi
285 bar
Pump Flow at 2,400 rpm
62 gal/min
233 l/min
Digging Force - Bucket
13,943 lb
62 kN
Operating Pressure - Equipment
4,134 psi
285 bar
Note
93.0 in
93.0 mm
Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Maximum Auxiliary Circuit - Secondary - Flow at Pump
9 gal/min
33 l/min
Maximum Auxiliary Circuit - Primary - Pressure at Pump
4,134 psi
285 bar
Maximum Auxiliary Circuit - Primary - Flow at Pump
35 gal/min
131 l/min
Maximum Auxiliary Circuit - Secondary - Pressure at Pump
4,134 psi
285 bar
Maximum Auxiliary Circuit - High Flow - Pressure at Pump
4,134 lbf/in
285 bar
Maximum Auxiliary Circuit - High Flow - Flow at Pump
37 gal/min
140 l/min
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Machine Swing Speed
10.6 r/min
10.6 r/min
Boom Swing - Right
93.0 in
93.0 mm
50 degrees
Boom Swing - Left
93.0 in
93.0 mm
60 degrees
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Height
17 in
431 mm
Width - Wide
104 in
2,640 mm
Width - Standard
97 in
2,470 mm
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ENGINE
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Cat C3.3B Diesel Engine (U.S. EPA Tier 4 Final/EU Stage V) – Electronic Engine, Turbo, Diesel Particulate Filter (DPF)
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Automatic Engine Idle
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Automatic Engine Shutdown
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Automatic Swing Brake
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Automatic Two Speed Travel
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Fuel Water Separator with Indicator
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Radial Seal – Double Element Air Filter
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Extended Life Coolant, –37° C (–35° F)
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HYDRAULICS
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Electronic Variable Displacement Piston Pump
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Load Sensing/Flow Sharing Hydraulics
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Dedicated Auxiliary Hydraulic Pump
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Power On Demand
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Hydraulic Temperature Monitoring
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Certified Accumulator
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HYDO Advanced Hydraulic Oil
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Ecology Drain
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OPERATOR ENVIRONMENT
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Top Guard ISO 10262 1998 Level I
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ROPS ISO 12117-2:2008
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Stick Steer Mode
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Travel Cruise Control
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Control Pattern Changer
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Adjustable Wrist Rests
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Molded Footrests
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Removable, Washable Floor Mat
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Travel Pedals and Hand Levers
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Cat Key with Passcode Option
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HVAC with Automatic Temperature Control
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Hydraulic Lockout Controls
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Integrated Lower Front Window
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Assisted Front Window Overhead Storage
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Rear Window Emergency Exit
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Fabric, High Back, Suspension Seat
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Retractable Seat Belt (75 mm/3 in)
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Coat Hook
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Cup Holder
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LED Interior Light
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Literature Holder
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Mounting Bosses for Top and Front Guards
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12V Power Socket
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Radio – Bluetooth, Auxiliary, Microphone, USB (charging only)
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Skylight
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Signaling/Warning Horn
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Cab and (left side) Boom Work Lights
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Utility Space for Mobile Phone
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Next Generation Color LCD Monitor (IP66) – Jog Dial Interface – 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
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UNDERCARRIAGE
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Greased and Lubricated Track
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Tie Down Eyes on Track Frame
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Dozer Blade
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Dozer Float
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Bolt-on, Reversible Wear Edge
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BOOM, STICK AND LINKAGES
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One Piece Boom (3400 mm/133.9 in)
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Standard Stick (1820 mm/71.7 in)
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Front Shovel Capable – Pin-on/Manual Coupler/Hydraulic Coupler (not available in all regions)
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Thumb Ready (not available in all regions)
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ELECTRICAL
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12 Volt Electrical System
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60 Ampere Alternator
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Circuit Breaker
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900 CCA Maintenance Free Battery
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Battery Disconnect
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Ignition Key Stop Switch
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Travel Alarm
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OTHER
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Locks on External Enclosure Doors
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Lockable Fuel Cap
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Beacon Socket
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Rear Reflectors
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OPERATOR ENVIRONMENT
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Push to Start with Bluetooth® Key
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Air Suspension Heated Seat
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Rain Visor
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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
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UNDERCARRIAGE
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Wide Dozer Blade
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Steel Tracks (450 mm/17.7 in wide)
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Wide Steel Tracks (600 mm/23.6 in)
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Steel Track with Rubber Pads
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Track Guides
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BOOM, STICK AND LINKAGES
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Long Stick (2360 mm/92.9 in)
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Attachments including Buckets, Augers and Hammers
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2nd Auxiliary Hydraulic Lines with Case Drain
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Boom Lowering Check Valve
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Stick Lowering Check Valve
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Certified Lifting Eye
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ELECTRICAL
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Product Link™ Elite (regulations apply)
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Rearview Camera
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Rotating Beacon
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GUARDING
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Mesh Front Guard ISO 10262 1998 Level I
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Heavy Duty Front Guard ISO 10262 1998 Level II
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Top Guard ISO 10262 1998 Level II
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Polycarbonate Front Window EN356 P5A (Cab Only)
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Track Guards
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OTHER
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Additional Counterweight
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Water Jacket Heater
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Refueling Pump
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Variable Angle Boom (refer to 309 CR VAB brochure for VAB specs and additional information)
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WHY CHOOSE EMPIRE
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Every purchase backed by a full menu of service and support offerings
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Flexible financing options designed to fit your budget
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Commitment to providing expert training to maximize operations
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Value Agreements to ensure proper maintenance and performance