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309 CR VAB Mini Hydraulic Excavator
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309 CR VAB Mini Hydraulic Excavator

Net Power69.5 hp
Displacement203 in³
Stroke4.7 in
Bore3.7 in
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Learn more about our 309 CR VAB Mini Hydraulic Excavator

The Cat® 309 CR Variable Angle Boom (VAB) Mini Excavator delivers maximum power and performance in a mini size to help you work in a wide range of applications. The Variable Angle Boom provides the maximum in linkage flexibility in tight applications.

Net Power
69.5hp
Displacement
203in³
Stroke
4.7in
Bore
3.7in
Gross Power - SAE J1995:2014
74.3hp
Note
Net power advertised is the power available at the flywheel when the engine is equipped with air cleaner, exhaust system and fan.
Net Power - 2,200 rpm - ISO 9249:2007, 80/1269/EEC
69.5hp
Engine Model - U.S. EPA Tier 4 Final/EU Stage V
Cat C3.3B
Operating Weight
21477lb
Note (1)
*Minimum Weight is based on rubber 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, standard stick, blade and no bucket.
Minimum Operating Weight*
20121lb
Maximum Operating Weight*
21477lb
Dig Depth
150.2in
Cab Height
100in
Maximum Blade Depth
19.1in
Maximum Blade Height
16.1in
Stick Length
71.7in
Maximum Reach
256.5in
Tail Swing without Counterweight
57.1in
Vertical Wall
99.2in
Swing Bearing Height
29.8in
Track Belt/Shoe Width
17.7in
Boom Swing Right
37in
Overall Track Width
97.2in
Overall Shipping Length
255.7in
Maximum Dump Clearance
135.8in
Boom in Reach
122.8in
Maximum Reach at Ground Level
248in
Transport Height
97.4in
Overall Undercarriage Length
126in
Ground Clearance
14in
Tail Swing with Counterweight
62.4in
Maximum Dig Height
205.5in
Boom Swing Left
24in
Height
17in
Width - Wide
103.9in
Width - Standard
97.2in
Note
The 309 CR VAB specifications are based on a machine configured with a Long (L) Undercarriage. For specifications representing a 309 CR VAB with a Standard Undercarriage, please refer to the 308 CR information.
Steel Tracks with Pads
728lb
Counterweight
552lb
Standard Stick
77lb
Ground Pressure - Minimum Weight
5.1psi
Travel Speed - High
3.1mile/h
Maximum Traction Force - High Speed
6497lbf
Travel Speed - Low
1.6mile/h
Ground Pressure - Maximum Weight
5.5psi
Maximum Traction Force - Low Speed
19064lbf
Gradeability - Maximum
30 degrees
Fuel Tank
39gal (US)
Hydraulic System
29gal (US)
Engine Oil
3gal (US)
Cooling System
2.6gal (US)
Hydraulic Tank
14gal (US)
Operating Pressure - Travel
4134psi
Type
Load Sensing Hydraulics with Variable Displacement Piston Pump
Digging Force - Stick - Standard
9509lbf
Digging Force - Bucket
13946lbf
Pump Flow at 2,400 rpm
62gpm
Operating Pressure - Swing
3626psi
Note
Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Operating Pressure - Equipment
4134psi
Maximum Auxiliary Circuit - Secondary - Flow at Pump
9gpm
Maximum Auxiliary Circuit - Secondary - Pressure at Pump
4134psi
Maximum Auxiliary Circuit - Primary - Flow at Pump
35gpm
Maximum Auxiliary Circuit - Primary - Pressure at Pump
4134psi
Maximum Auxiliary Circuit - Primary (High Flow) - Pressure at Pump
4134psi
Maximum Auxiliary Circuit - Primary (High Flow) - Flow at Pump
37gpm
Machine Swing Speed
10.6r/min
Boom Swing - Left
60 degrees
Boom Swing - Right
50 degrees
Top Guard
ISO 10262:1998 (Level II)
Roll Over Protective Structure (ROPS)
ISO 12117-2:2008
Tip Over Protective Structure (TOPS)
ISO 12117:1997
Average Exterior Sound Pressure (ISO 6395:2008)
99dB(A)
Operator Sound Pressure (ISO 6396:2008)
72dB(A)
Note
European Union Directive "2000/14/EC"
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.
Ground Clearance
14in
Cab Height
100in
Boom in Reach
106.7in
Vertical Wall
146.7in
Swing Bearing Height
29.8in
Maximum Dump Clearance
247.4in
Overall Undercarriage Length
126in
Maximum Reach at Ground Level
303.7in
Tail Swing without Counterweight
57.1in
Maximum Reach
310.4in
Track Belt/Shoe Width
17.7in
Overall Shipping Length
255.7in
Maximum Blade Depth
19.1in
Maximum Dig Height
322in
Overall Track Width
97.2in
Tail Swing with Counterweight
62.4in
Stick Length
71.7in
Maximum Blade Height
16.1in
Boom Swing Right
37in
Boom Swing Left
24in
Transport Height
97.4in
Dig Depth
136.2in
Recyclability
96%
Cat C3.3 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)
Ecology Drain
Smart Tech Electronic Pump
Electronic Variable Displacement Piston Pump
Load Sensing/Flow Sharing Hydraulics
Power On Demand
Hydraulic Temperature Monitoring
Certified Accumulator
HYDO Advanced Hydraulic Oil
Dedicated Auxiliary Hydraulic Pump
Top Guard ISO 10262 1998 Level I
ROPS ISO 12117-2:2008
Sealed and Pressurized Cab
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
Greased and Lubricated Track
Hydraulic Track Adjusters
Tie Down Eyes on Track Frame
Dozer Blade
Dozer Float
Bolt-on, Reversible Wear Edge
Variable Angle Boom
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
90 Ampere Alternator
Circuit Breaker
850 CCA Maintenance Free Battery
Battery Disconnect
Ignition Key Stop Switch
Locks on External Enclosure Doors
Lockable Fuel Cap
Beacon Socket
Rear Reflectors
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
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
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)
Travel Alarm
Rearview Camera
Rotating Beacon
Mesh Front Guard ISO 10262 1998 Level I
Heavy Duty Front Guard ISO 10262 1998 Level II
Overhead Cab Guard ISO 10262 1998 Level II
Polycarbonate Front Window EN356 P5A
Track Guards
Additional Counterweight
Water Jacket Heater
Refueling Pump

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