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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
69.5 HP
Operating Weight
21477 lb
Dig Depth
150.2 in
Height
17 in

Engine

Net Power
69.5HP
Displacement
203in³
Stroke
4.7in
Bore
3.7in
Gross Power - SAE J1995
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

Weights

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

Dimensions - VAB In

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

Blade

Height
17in
Width - Wide
103.9in
Width - Standard
97.2in

Sustainability

Recyclability
96%

Specifications

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.

Weight Increase from Minimum Configuration

Steel Tracks with Pads
728lb
Counterweight
552lb
Standard Stick
77lb

Travel System

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

Service Refill Capacities

Fuel Tank
39gal (US)
Hydraulic System
29gal (US)
Engine Oil
3gal (US)
Hydraulic Tank
14gal (US)
Cooling System
2.6gal (US)

Hydraulic System

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
62gal/min
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
9gal/min
Maximum Auxiliary Circuit - Secondary - Pressure at Pump
4134psi
Maximum Auxiliary Circuit - Primary - Flow at Pump
35gal/min
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
37gal/min

Swing System

Machine Swing Speed
10.6r/min
Boom Swing - Left
60 degrees
Boom Swing - Right
50 degrees

Certification - Cab

Top Guard
ISO 10262:1998 (Level II)
Roll Over Protective Structure (ROPS)
ISO 12117-2:2008
Tip Over Protective Structure (TOPS)
ISO 12117:1997

Sound

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 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.

Dimensions - VAB Out

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

Standard Equipment:

  • Engine
    • 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
  • Hydraulics
    • 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
  • Operator Environment
    • 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
  • Undercarriage
    • Greased and Lubricated Track
    • Hydraulic Track Adjusters
    • Tie Down Eyes on Track Frame
    • Dozer Blade
    • Dozer Float
    • Bolt-on, Reversible Wear Edge
  • Boom, Stick And Linkages
    • 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)
  • Electrical
    • 12 Volt Electrical System
    • 90 Ampere Alternator
    • Circuit Breaker
    • 850 CCA Maintenance Free Battery
    • Battery Disconnect
    • Ignition Key Stop Switch
  • 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
    • Attachments including Buckets, Augers and Hammers
    • 2nd Auxiliary Hydraulic Lines
    • Boom Lowering Check Valve
    • Stick Lowering Check Valve
    • Certified Lifting Eye
  • Electrical
    • Product Link Elite (regulations apply)
    • Travel Alarm
    • Rearview Camera
    • Rotating Beacon
  • Guarding
    • 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
  • Other
    • Additional Counterweight
    • Water Jacket Heater
    • Refueling Pump

861 mm (34 in) Ripper

Shank Length
33.9 in
Weight
235.9 lb
Overall Length
42 in

HM210 Mulcher

Overall Width
48.3 in
Working Width
39.8 in
Length
28.1 in

HM208 Mulcher

Overall Width
40.4 in
Working Width
32.2 in
Length
28.1 in

H95s Hydraulic Hammer

Operating Weight - With Tool
1382.3 lb
Energy Class
1500.2 ft·lbf
Machine Class
7-10 Ton Mini Excavators, 415-450 Backhoe Loaders (No Side Shift)

H80s Hydraulic Hammer

Operating Weight - With Tool
937 lb
Energy Class
1000.1 ft·lbf
Machine Class
7-9 Ton Mini Excavators, 415-450 Backhoe Loaders

B8s Silenced Hydraulic Hammer

Operating Weight - With Tool
758.4 lb
Energy Class
848.2 ft·lbf
Machine Class
6-9 Ton Mini Excavators, 216-299 Skid Steer/Compact Track Loaders, 415-444 Backhoe Loaders

B8 Non-Silenced Hydraulic Hammer

Operating Weight - With Tool
771 lb
Energy Class
848.2 ft·lbf
Machine Class
6-9 Ton Mini Excavators, 216-299 Skid Steer/Compact Track Loaders, 415-444 Backhoe Loaders

G108 Stiff link Contractors’ Grapple

Machine Class
7-9 Ton Mini Excavators
Jaw Opening
69.5 in
Weight
815.7 lb

1312 mm (52 in) Pallet Fork Carriage

Height
21.7 in
Width
51.7 in
Weight
249.1 lb

HMF210 Flail Mower

Working Width
39.4 in
Required Hydraulics
Standard Flow
Overall Width
46.6 in

Tilting Dual Lock Pin Grabber Coupler For 8 Ton Mini Excavators

Weight
448.2 lb
Overall Width
14.6 in
Length
24.5 in

S-50 Pin Grabber S Type Coupler For 8 Ton Mini Excavators

Weight
196.9 lb
Lifting Hook Capacity
6613.9 lb
Width
13.5 in

S-50 Pin Grabber S Type Coupler With Secure Lock For 8 Ton Mini Excavators

Weight
196.9 lb
Lifting Hook Capacity
6613.9 lb
Width
13.5 in

S-45 Pin Grabber S Type Coupler For 7-9 Ton Mini Excavators

Weight
209.4 lb
Lifting Hook Capacity
6613.9 lb
Width
13.5 in

Manual Pin Lock Coupler For 8 Ton Mini Excavators

Weight
174.2 lb
Width
13.7 in
Length
26 in

Manual Dual Lock™ Pin Grabber Coupler For 8 Ton Mini Excavators

Weight
196.2 lb
Width
11.5 in
Length
23.3 in

Hydraulic Dual Lock™ Pin Grabber Coupler For 8 Ton Mini Excavators

Weight
211.6 lb
Width
14.6 in
Length
23.4 in

914 mm (36 in) 7-8 Ton Mini Excavator Pin On Compaction Wheel

Compaction Width
34.8 in
Number of Wheels
5
Machine Class
7-8 Ton Mini Excavators

610 mm (24 in) 7-8 Ton Mini Excavator Pin On Compaction Wheel

Compaction Width
21.9 in
Number of Wheels
3
Machine Class
7-8 Ton Mini Excavators

610 mm (24 in) 1 Ton Mini Excavator Pin Lock Compaction Wheel

Compaction Width
22 in
Number of Wheels
3
Machine Class
1 Ton Mini Excavators

457 mm (18 in) 7-8 Ton Mini Excavator Pin On Compaction Wheel

Compaction Width
17.7 in
Number of Wheels
3
Machine Class
7-8 Ton Mini Excavators

457 mm (18 in) 1 Ton Mini Excavator Pin Lock Compaction Wheel

Compaction Width
17.3 in
Number of Wheels
3
Machine Class
1 Ton Mini Excavators

305 mm (12 in) 7-8 Ton Mini Excavator Pin On Compaction Wheel

Compaction Width
12 in
Number of Wheels
2
Machine Class
7-8 Ton Mini Excavators

305 mm (12 in) 1 Ton Mini Excavator Pin Lock Compaction Wheel

Compaction Width
11.3 in
Number of Wheels
2
Machine Class
1 Ton Mini Excavators

PC45 Cold Planer

Working Width
17.7 in
Maximum Cutting Depth
5.9 in
Required Hydraulics
1st Auxiliary

PC35 Cold Planer

Working Width
13.8 in
Maximum Cutting Depth
4.7 in
Required Hydraulics
1st Auxiliary

1300 mm (51 in) Nordic Grading Bucket

Width
51.2 in
Capacity
14.1 ft³
Weight
637.1 lb

1300 mm (51 in) Nordic Grading Bucket

Width
51.2 in
Capacity
14.1 ft³
Weight
595.2 lb

1300 mm (51 in) Nordic Grading Bucket

Width
51.2 in
Capacity
14.1 ft³
Weight
582 lb

762 mm (30 in) Heavy Duty Rock Bucket

Width
30 in
Capacity
10.9 ft³
Weight
491.6 lb

610 mm (24 in) Heavy Duty Rock Bucket

Width
24 in
Capacity
8.1 ft³
Weight
427.7 lb

914 mm (36 in) Heavy Duty Bucket

Width
36 in
Capacity
13.7 ft³
Weight
507.1 lb

762 mm (30 in) Heavy Duty Bucket

Width
30 in
Capacity
10.9 ft³
Weight
456.4 lb

610 mm (24 in) Heavy Duty Bucket

Width
24 in
Capacity
8.1 ft³
Weight
392.4 lb

457 mm (18 in) Heavy Duty Bucket

Width
18 in
Capacity
5.3 ft³
Weight
332.9 lb

330 mm (13 in) Heavy Duty Bucket

Width
13 in
Capacity
3.5 ft³
Weight
299.8 lb

1500 mm (59 in) Grading Bucket

Width
59.1 in
Capacity
18.4 ft³
Weight
761.9 lb

1200 mm (47 in) Grading Bucket

Width
47.2 in
Capacity
14.5 ft³
Weight
615.3 lb

1524 mm (60 in) Ditch Cleaning Bucket

Width
60 in
Capacity
14.8 ft³
Weight
557.1 lb

1372 mm (54 in) Ditch Cleaning Bucket

Width
54 in
Capacity
13.2 ft³
Weight
517 lb

1219 mm (48 in) Ditch Cleaning Bucket

Width
48 in
Capacity
11.6 ft³
Weight
477.1 lb

914 mm (36 in) Pin Lock High Capacity Bucket

Width
36 in
Capacity
16.2 ft³
Weight
560 lb

762 mm (30 in) Pin Lock High Capacity Bucket

Width
30 in
Capacity
12.7 ft³
Weight
489.4 lb

610 mm (24 in) Pin Lock High Capacity Bucket

Width
24 in
Capacity
9.2 ft³
Weight
427.7 lb

406 mm (16 in) Pin Lock High Capacity Bucket

Width
16 in
Capacity
5.7 ft³
Weight
337.3 lb

457 mm (18 in) Pin Lock High Capacity Bucket

Width
18 in
Capacity
6.4 ft³
Weight
357.1 lb

914 mm (36 in) Pin Lock Heavy Duty Bucket

Width
36 in
Capacity
12 ft³
Weight
509.3 lb

762 mm (30 in) Pin Lock Heavy Duty Bucket

Width
30 in
Capacity
9.9 ft³
Weight
443.1 lb

610 mm (24 in) Pin Lock Heavy Duty Bucket

Width
24 in
Capacity
7.3 ft³
Weight
370.4 lb

406 mm (16 in) Pin Lock Heavy Duty Bucket

Width
16 in
Capacity
4.2 ft³
Weight
297.6 lb

457 mm (18 in) Pin Lock Heavy Duty Bucket

Width
18 in
Capacity
4.9 ft³
Weight
304.2 lb

300 mm (12 in) Pin Lock Heavy Duty Bucket

Width
11.8 in
Capacity
3.4 ft³
Weight
249.1 lb

A68 Auger

Drive Shaft Torque at Maximum Pressure
5034.6 lb/ft
Drive Method
Gerotor Motor - Double Planetary Reduction
Mounting Bracket Design
8 Ton Mini Excavator Pin On

7 – 9 Ton Excavator Class Skid Steer Coupler Adapter

Weight
310.9 lb
Width
44.3 in
Overall Length
19.9 in

671 mm (26 in) 4 Teeth/2 Tine Progressive Link Thumb for 8 Ton Mini Excavators

Number of Teeth/Tines
4/2
Stored Height
26.4 in
Overall Width
17.7 in

858 mm (34 in) 6 Teeth/2 Tine Progressive Link Thumb for 8 Ton Mini Excavators

Number of Teeth/Tines
6/2
Stored Height
33.8 in
Overall Width
17.7 in

S308 Mobile Scrap & Demolition Shear

Tip Force
43.3 Sh Ton
Rotation
360 Degrees
Jaw Opening
9.4 in

Specifications

Standard/Optional Features

Attachments