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309 CR Mini Hydraulic Excavator

Operating Weight

21,091 lb

Dig Depth

182.8 in

Engine Model

Cat C3.3B

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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.

FULL SPECIFICATIONS

Air Conditioning System

Air Conditioning

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.

Blade

Height

17 in

Width - Wide

104 in

Width - Standard

97 in

Certification - Cab

Roll Over Protective Structure (ROPS)

ISO 12117-2:2008

Top Guard

ISO 10262:1998 (Level I)

Tip Over Protective Structure (TOPS)

ISO 12117:1997

Dimensions - Long Stick

Dig Depth

182.8 in

Note (1)

**Boom Height when stick is pinned in working position with attachments Standard Stick offers only one pin position.

O/A Track Width

97.2 in

Swing Bearing - Height

29.7 in

Boom In Reach

126.6 in

Tail Swing with Counterweight

62.4 in

Tail Swing without Counterweight

57.1 in

Overall Shipping Length - without Counterweight

7052 mm (277.6 in)***

Maximum Blade Depth

26 in

Maximum Blade Height

16.1 in

Cab Height

100 in

Boom Swing - Left

23.8 in

Note

*Boom Height when stick is pinned in transport position with no attachments.

Overall Shipping Length - with Counterweight

7052 mm (277.6 in)***

Maximum Dump Clearance

199.7 in

Vertical Wall

134 in

O/A Undercarriage Length

126 in

Stick Length

92.8 in

Maximum Dig Height

277.1 in

Maximum Reach

300.7 in

Ground Clearance

14 in

Track Belt/Shoe Width

17.7 in

Boom Swing - Right

36.8 in

Maximum Reach - Ground Level

293.7 in

Note (2)

***With blade positioned at the rear of the machine.

Height - Boom Transport - No Tools*

89 in

Height - Boom Working - With Tools**

120.1 in

Dimensions - Standard Stick

O/A Track Width

97.2 in

Boom In Reach

120.4 in

Height - Boom Transport - No Tools*

95.7 in

Boom Swing - Left

23.8 in

Overall Shipping Length - without Counterweight

266.7 in

Maximum Dig Height

265.2 in

Maximum Reach

281.1 in

Dig Depth

161.7 in

Maximum Blade Depth

26 in

Note (2)

***With blade positioned at the rear of the machine.

Maximum Dump Clearance

187.4 in

Maximum Reach - Ground Level

273.6 in

Cab Height

100 in

Tail Swing without Counterweight

57.1 in

O/A Undercarriage Length

126 in

Swing Bearing - Height

29.7 in

Track Belt/Shoe Width

17.7 in

Ground Clearance

14 in

Tail Swing with Counterweight

62.4 in

Vertical Wall

117.8 in

Stick Length

71.8 in

Maximum Blade Height

16.1 in

Note

*Boom Height when stick is pinned in transport position with no attachments.

Overall Shipping Length - with Counterweight

266.7 in

Note (1)

**Boom Height when stick is pinned in working position with attachments Standard Stick offers only one pin position.

Height - Boom Working - With Tools**

104.7 in

Boom Swing - Right

36.8 in

Engine

Engine Model

Cat C3.3B

Gross Power - SAE J1995:2014

74.3 hp

Bore

3.7 in

Rated Net Power - 2,200 rpm - U.S. EPA Tier 4 Final/EU Stage V - ISO 9249/EEC 80/1269

69.5 hp

Displacement

203 in³

Stroke

4.7 in

Net Power

69.5 hp

Hydraulic System

Type

Load Sensing Hydraulics with Variable Displacement Piston Pump

Operating Pressure - Swing

3,626 psi

Digging Force - Stick - Standard

9,500 lb

Digging Force - Stick - Long

8,023 lb

Operating Pressure - Travel

4,134 psi

Pump Flow at 2,400 rpm

62 gpm

Digging Force - Bucket

13,943 lb

Operating Pressure - Equipment

4,134 psi

Note

Flow and pressure are not combinable. Under load, as flow rises pressure goes down.

Maximum Auxiliary Circuit - Secondary - Flow at Pump

9 gpm

Maximum Auxiliary Circuit - Primary - Pressure at Pump

4,134 psi

Maximum Auxiliary Circuit - Primary - Flow at Pump

35 gpm

Maximum Auxiliary Circuit - Secondary - Pressure at Pump

4,134 psi

Maximum Auxiliary Circuit - High Flow - Pressure at Pump

4,134 lbf/in

Maximum Auxiliary Circuit - High Flow - Flow at Pump

37 gpm

Service Refill Capacities

Engine Oil

3 gal (US)

Fuel Tank

39 gal (US)

Hydraulic System

29 gal (US)

Cooling System

2.6 gal (US)

Hydraulic Tank

14 gal (US)

Sound

Average Exterior Sound Pressure (ISO 6395:2008)

99 dB(A)

Note

European Union Directive "2000/14/EC"

Operator Sound Pressure (ISO 6396:2008)

72 dB(A)

Specifications

Note

The 309 CR specifications are based on a machine configured with a Long (L) Undercarriage.

Sustainability

Recyclability

96%

Swing System

Machine Swing Speed

10.6 r/min

Boom Swing - Right

50 degrees

Boom Swing - Left

60 degrees

Travel System

Gradeability - Maximum

30 degrees

Ground Pressure - Minimum Weight

5 psi

Ground Pressure - Maximum Weight

5.4 psi

Travel Speed - High

3.1 mile/h

Travel Speed - Low

1.6 mile/h

Maximum Traction Force - High Speed

6,497 lb

Maximum Traction Force - Low Speed

19,064 lb

Weight Increase from Minimum Configuration

Steel Tracks with Pads

728 lb

Long Stick

146 lb

Counterweight

552 lb

Weights

Operating Weight

21,091 lb

Minimum Operating Weight with Cab*

19,735 lb

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.

Maximum Operating Weight with Cab**

21,091 lb

STANDARD EQUIPMENT

ENGINE
- Cat C3.3B Diesel Engine (U.S. EPA Tier 4 Final/EU Stage V) – Electronic Engine, Turbo, Diesel Particulate Filter (DPF)
- 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)
HYDRAULICS
- 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
OPERATOR ENVIRONMENT
- 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
- 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
UNDERCARRIAGE
- Greased and Lubricated Track
- Tie Down Eyes on Track Frame
- Dozer Blade
- Dozer Float
- Bolt-on, Reversible Wear Edge
BOOM, STICK AND LINKAGES
- 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)
ELECTRICAL
- 12 Volt Electrical System
- 60 Ampere Alternator
- Circuit Breaker
- 900 CCA Maintenance Free Battery
- Battery Disconnect
- Ignition Key Stop Switch
- Travel Alarm
OTHER
- Locks on External Enclosure Doors
- Lockable Fuel Cap
- Beacon Socket
- Rear Reflectors

OPTIONAL EQUIPMENT

OPERATOR ENVIRONMENT
- Push to Start with Bluetooth® Key
- Air Suspension Heated Seat
- 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
UNDERCARRIAGE
- 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
BOOM, STICK AND LINKAGES
- 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
ELECTRICAL
- Product Link™ Elite (regulations apply)
- Rearview Camera
- Rotating Beacon
GUARDING
- Mesh Front Guard ISO 10262 1998 Level I
- Heavy Duty Front Guard ISO 10262 1998 Level II
- Top Guard ISO 10262 1998 Level II
- Polycarbonate Front Window EN356 P5A (Cab Only)
- Track Guards
OTHER
- Additional Counterweight
- Water Jacket Heater
- Refueling Pump
- Variable Angle Boom (refer to 309 CR VAB brochure for VAB specs and additional information)