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Piscataway Campus 732-885-5555
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On Highway Specials 20262026 RSVPSnow Blowers

309 CR Mini Hydraulic Excavator
Exterior View
Interior View
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309 CR Mini Hydraulic Excavator

Net Power69 hp
Engine ModelCat® C2.8 Turbo
Net Power – 2,400 rpm – ISO 9249, 80/1269/EEC69 hp
Gross Power – ISO 1439655.4 kW
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Learn more about our 309 CR Mini Hydraulic Excavator

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.

Net Power
69hp
Engine Model
® C2.8 Turbo" data-metric=""> Cat® C2.8 Turbo
Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC
69hp
Gross Power - ISO 14396
55.4kW
Bore
3.5in
Stroke
4.3in
Displacement
171in³
Note
Meets U.S. EPA Tier 4 Final and EU Stage V emissions standards.
Note (1)
Advertised power is tested per the specified standard in effect at the time of manufacture.
Note (2)
Net power advertised is the power available at the flywheel when the engine is at the rated speed of 2,400 rpm and the engine is installed with the factory configured fan, air intake system, exhaust system and alternator with a minimum alternator load.
Operating Weight
20870lb
Minimum Operating Weight with Cab*
18886lb
Maximum Operating Weight with Cab**
20870lb
Note (1)
*Minimum Weight is based on steel tracks, no counterweight, operator, full fuel tank, standard stick, blade and no bucket.
Note (2)
**Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, long stick, blade and no bucket.
Dig Depth
182.8in
Vertical Wall
134in
Maximum Reach - Ground Level
293.7in
Maximum Reach
300.7in
Maximum Dig Height
277.1in
Maximum Dump Clearance
199.7in
Boom In Reach
126.6in
Tail Swing with Counterweight
62.4in
Tail Swing without Counterweight
57.1in
Maximum Blade Height
16.1in
Maximum Blade Depth
26in
Height - Boom Transport - No Tools*
89in
Height - Boom Working - With Tools**
120.1in
Cab Height
100in
Swing Bearing - Height
29.7in
O/A Undercarriage Length
126in
Overall Shipping Length - with Counterweight
7052 mm (277.6 in)***
Overall Shipping Length - without Counterweight
7052 mm (277.6 in)***
Track Belt/Shoe Width
17.7in
O/A Track Width
97.2in
Ground Clearance
14in
Stick Length
92.8in
Note
*Boom Height when stick is pinned in transport position with no attachments.
Note (1)
**Boom Height when stick is pinned in working position with attachments Standard Stick offers only one pin position.
Note (2)
***With blade positioned at the rear of the machine.
Dig Depth
161.7in
Vertical Wall
117.8in
Maximum Reach - Ground Level
273.6in
Maximum Reach
281.1in
Maximum Dig Height
265.2in
Maximum Dump Clearance
187.4in
Boom In Reach
120.4in
Tail Swing with Counterweight
62.4in
Tail Swing without Counterweight
57.1in
Maximum Blade Height
16.1in
Maximum Blade Depth
26in
Height - Boom Transport - No Tools*
95.7in
Height - Boom Working - With Tools**
104.7in
Cab Height
100in
Swing Bearing - Height
29.7in
O/A Undercarriage Length
126in
Overall Shipping Length - with Counterweight
266.7in
Overall Shipping Length - without Counterweight
266.7in
Track Belt/Shoe Width
17.7in
O/A Track Width
97.2in
Ground Clearance
14in
Stick Length
71.8in
Note
*Boom Height when stick is pinned in transport position with no attachments.
Note (1)
**Boom Height when stick is pinned in working position with attachments Standard Stick offers only one pin position.
Note (2)
***With blade positioned at the rear of the machine.
Air Conditioning
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a or R1234yf (Europe) (Global Warming Potential = 1430). See label or instruction manual for gas refrigerant identification. The system contains 0.75 kg (1
Operator Sound Pressure (ISO 6396:2008)
72dB(A)
Average Exterior Sound Pressure (ISO 6395:2008)
99dB(A)
Note
European Union Directive "2000/14/EC"
Recyclability
96%
Note
The 309 CR specifications are based on a machine configured with a Long (L) Undercarriage.
Counterweight
552lb
Long Stick
146lb
Steel Tracks with Pads
728lb
Travel Speed - High
3.1mile/h
Travel Speed - Low
1.6mile/h
Maximum Traction Force - High Speed
6497lb
Maximum Traction Force - Low Speed
19064lb
Ground Pressure - Minimum Weight
5.4psi
Ground Pressure - Maximum Weight
6psi
Gradeability - Maximum
30 degrees
Cooling System
2.6gal (US)
Engine Oil
2.3gal (US)
Fuel Tank
39gal (US)
Hydraulic Tank
14gal (US)
Hydraulic System
29gal (US)
Type
Load Sensing Hydraulics with Variable Displacement Piston Pump
Pump Flow at 2,400 rpm
62gpm
Operating Pressure - Equipment
4134psi
Operating Pressure - Travel
4134psi
Operating Pressure - Swing
3626psi
Maximum Auxiliary Circuit - Primary - Flow at Pump
35gpm
Maximum Auxiliary Circuit - Primary - Pressure at Pump
4134psi
Maximum Auxiliary Circuit - High Flow - Flow at Pump
37gpm
Maximum Auxiliary Circuit - High Flow - Pressure at Pump
4134lbf/in
Digging Force - Stick - Standard
9500lb
Digging Force - Stick - Long
8023lb
Digging Force - Bucket
13943lb
Note
Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Machine Swing Speed
10r/min
Boom Swing - Left
60 degrees
Boom Swing - Right
50 degrees
Width - Standard
97in
Width - Wide
104in
Height
17in
Roll Over Protective Structure (ROPS)
ISO 12117-2:2008
Top Guard
ISO 10262:1998 (Level I)
Cat C2.8 Diesel Engine (U.S. EPA Tier 4 Final/EU Stage V) – Electronic Engine, Turbo, Fit-For-Life Diesel Particulate Filter (DPF) and Diesel Oxidation Catalyst (DOC) Aftertreatment System
Automatic Engine Idle
Automatic Engine Shutdown
Automatic Swing Brake
Automatic Two Speed Travel
Fuel Water Separator with Indicator
Radial Seal – Double Element Air Filter
Extended Life Coolant, –37° C (–35° F)
Electronic Variable Displacement Piston Pump
Load Sensing/Flow Sharing Hydraulics
Dedicated Auxiliary Hydraulic Pump
Power On Demand
Hydraulic Temperature Monitoring
Certified Accumulator
HYDO Advanced Hydraulic Oil
Ecology Drain
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
HVAC with Automatic Temperature Control
Hydraulic Lockout Controls
Integrated Lower Front Window
Assisted Front Window Overhead Storage
Rear Window Emergency Exit
Cab Mirrors (vary by region)
Fabric, High Back, Suspension Seat
Retractable Seat Belt (75 mm/3 in)
Coat Hook
Cup Holder
LED Interior Light
Literature Holder
Mounting Bosses for Top and Front Guards
12V Power Socket
Radio – Bluetooth, Auxiliary, Microphone, USB (charging only)
Skylight
Signaling/Warning Horn
Cab and (left side) Boom Work Lights
Utility Space for Mobile Phone
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
Product Link™ Elite (regulations apply)
Greased and Lubricated Track
Tie Down Eyes on Track Frame
Dozer Blade
Dozer Float
Bolt-on, Reversible Wear Edge
One Piece Boom (3400 mm/133.9 in)
Standard Stick (1820 mm/71.7 in)
Front Shovel Capable – Pin-on/Manual Coupler/Hydraulic Coupler (not available in all regions)
Thumb Ready (not available in all regions)
12 Volt Electrical System
60 Ampere Alternator
Circuit Breaker
900 CCA Maintenance Free Battery
Lock Out/Tag Out Battery Disconnect
Ignition Key Stop Switch
Travel Alarm
ROPS ISO 12117-2:2008
Top Guard ISO 10262:1998 (Level I)
Locks on External Enclosure Doors
Lockable Fuel Cap
Beacon Socket
Rear Reflectors
Third Auxiliary
Push to Start with Bluetooth® Key
Air Suspension Heated Seat
Seat Belt Reminder System
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
Ease of Use Indicate
Ease of Use E-Fence
Ease of Use Laser Catcher
Cat Grade Advanced 2D
Cat Grade 3D
Wide Dozer Blade
Steel Tracks (450 mm/17.7 in wide)
Wide Steel Tracks (600 mm/23.6 in)
Steel Track with Rubber Pads
Track Guides
Long Stick (2360 mm/92.9 in)
Attachments including Buckets, Augers and Hammers
2nd Auxiliary Hydraulic Lines with Case Drain
Boom Lowering Check Valve
Stick Lowering Check Valve
Certified Lifting Eye
Rear and Side Camera
Rotating Beacon
Top Guard ISO 10262:1998 (Level II)
Front Guard (Mesh) ISO 10262:1998 (Level I)
Front Guard (Heavy Duty) ISO 10262:1998 (Level II)
Track Guards
Counterweight (250 kg/551 lb)
Counterweight (500 kg/1103 lb)
Water Jacket Heater
Refueling Pump
Variable Angle Boom (refer to 309 CR VAB brochure for VAB specs and additional information)

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