Skip to content
309 CR VAB Mini Hydraulic Excavator

309 CR VAB Mini Hydraulic Excavator

Mini Excavators Inspired by Our Customers

Get a quote

More Comfort – More Performance – More Versatility

  • 4 Industry First Features

    Cat Exclusives in a Mini Excavator

  • Up to 10% Lower Total Ownership Costs

    with improved fuel efficiency and longer service intervals

  • Up to 20% More Performance

    with customizable operator settings and improvements in lift, swing, travel and multifunction

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.

Engine

Bore 3.7 in
Displacement 203 in³
Engine Model - U.S. EPA Tier 4 Final/EU Stage V Cat C3.3B
Gross Power - SAE J1995 74.3 HP
Net Power 69.5 HP
Net Power - 2,200 rpm - ISO 9249:2007, 80/1269/EEC 69.5 HP
Note Net power advertised is the power available at the flywheel when the engine is equipped with air cleaner, exhaust system and fan.
Stroke 4.7 in

Weights

Maximum Operating Weight* 21477 lb
Minimum Operating Weight* 20121 lb
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.
Operating Weight 21477 lb

Weight Increase from Minimum Configuration

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

Travel System

Gradeability - Maximum 30 degrees
Ground Pressure - Maximum Weight 5.5 psi
Ground Pressure - Minimum Weight 5.1 psi
Maximum Traction Force - High Speed 6497 lbf
Maximum Traction Force - Low Speed 19064 lbf
Travel Speed - High 3.1 mile/h
Travel Speed - Low 1.6 mile/h

Service Refill Capacities

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

Hydraulic System

Digging Force - Bucket 13946 lbf
Digging Force - Stick - Standard 9509 lbf
Maximum Auxiliary Circuit - Primary (High Flow) - Flow at Pump 37 gal/min
Maximum Auxiliary Circuit - Primary (High Flow) - Pressure at Pump 4134 psi
Maximum Auxiliary Circuit - Primary - Flow at Pump 35 gal/min
Maximum Auxiliary Circuit - Primary - Pressure at Pump 4134 psi
Maximum Auxiliary Circuit - Secondary - Flow at Pump 9 gal/min
Maximum Auxiliary Circuit - Secondary - Pressure at Pump 4134 psi
Note Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Operating Pressure - Equipment 4134 psi
Operating Pressure - Swing 3626 psi
Operating Pressure - Travel 4134 psi
Pump Flow at 2,400 rpm 62 gal/min
Type Load Sensing Hydraulics with Variable Displacement Piston Pump

Swing System

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

Blade

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

Certification - Cab

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

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)

Dimensions - VAB In

Boom Swing Left 24 in
Boom Swing Right 37 in
Boom in Reach 122.8 in
Cab Height 100 in
Dig Depth 150.2 in
Ground Clearance 14 in
Maximum Blade Depth 19.1 in
Maximum Blade Height 16.1 in
Maximum Dig Height 205.5 in
Maximum Dump Clearance 135.8 in
Maximum Reach 256.5 in
Maximum Reach at Ground Level 248 in
Overall Shipping Length 255.7 in
Overall Track Width 97.2 in
Overall Undercarriage Length 126 in
Stick Length 71.7 in
Swing Bearing Height 29.8 in
Tail Swing with Counterweight 62.4 in
Tail Swing without Counterweight 57.1 in
Track Belt/Shoe Width 17.7 in
Transport Height 97.4 in
Vertical Wall 99.2 in

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

Boom Swing Left 24 in
Boom Swing Right 37 in
Boom in Reach 106.7 in
Cab Height 100 in
Dig Depth 136.2 in
Ground Clearance 14 in
Maximum Blade Depth 19.1 in
Maximum Blade Height 16.1 in
Maximum Dig Height 322 in
Maximum Dump Clearance 247.4 in
Maximum Reach 310.4 in
Maximum Reach at Ground Level 303.7 in
Overall Shipping Length 255.7 in
Overall Track Width 97.2 in
Overall Undercarriage Length 126 in
Stick Length 71.7 in
Swing Bearing Height 29.8 in
Tail Swing with Counterweight 62.4 in
Tail Swing without Counterweight 57.1 in
Track Belt/Shoe Width 17.7 in
Transport Height 97.4 in
Vertical Wall 146.7 in

Sustainability

Recyclability 96%

Download resources

309 CR VAB (Long Undercarriage) Product Brochure
Cat Mini Hydraulic Excavators Product Line Brochure (North America)
Cat Mini Hydraulic Excavators Product Line Brochure (Europe)
Options And Accessories Kit Guide for Mini Hydraulic Excavators
Cat Attachments for Mini Excavators Brochure
Attachment Compatibility Guide for Mini Excavators
Cat Mini Hydraulic Excavators Product Line Brochure (Europe)

Get info about our financing options

Get The best solution for your job site needs

Let us help.

Name(Required)
Untitled

Related Products

S308 Mobile Scrap & Demolition Shear
S308 Mobile Scrap & Demolition Shear
861 mm (34 in) Ripper
861 mm (34 in) Ripper
HM210 Mulcher
HM210 Mulcher
HM208 Mulcher
HM208 Mulcher
1312 mm (52 in) Pallet Fork Carriage
1312 mm (52 in) Pallet Fork Carriage
HMF210 Flail Mower
HMF210 Flail Mower
Hydraulic Dual Lock™ Pin Grabber Coupler For 8 Ton Mini Excavators
Hydraulic Dual Lock™ Pin Grabber Coupler For 8 Ton Mini Excavators
762 mm (30 in) Heavy Duty Rock Bucket
762 mm (30 in) Heavy Duty Rock Bucket
610 mm (24 in) Heavy Duty Rock Bucket
610 mm (24 in) Heavy Duty Rock Bucket
914 mm (36 in) Heavy Duty Bucket
914 mm (36 in) Heavy Duty Bucket
762 mm (30 in) Heavy Duty Bucket
762 mm (30 in) Heavy Duty Bucket
610 mm (24 in) Heavy Duty Bucket
610 mm (24 in) Heavy Duty Bucket
457 mm (18 in) Heavy Duty Bucket
457 mm (18 in) Heavy Duty Bucket
330 mm (13 in) Heavy Duty Bucket
330 mm (13 in) Heavy Duty Bucket
1500 mm (59 in) Grading Bucket
1500 mm (59 in) Grading Bucket
1200 mm (47 in) Grading Bucket
1200 mm (47 in) Grading Bucket
1524 mm (60 in) Ditch Cleaning Bucket
1524 mm (60 in) Ditch Cleaning Bucket
1372 mm (54 in) Ditch Cleaning Bucket
1372 mm (54 in) Ditch Cleaning Bucket
1219 mm (48 in) Ditch Cleaning Bucket
1219 mm (48 in) Ditch Cleaning Bucket
914 mm (36 in) Pin Lock High Capacity Bucket
914 mm (36 in) Pin Lock High Capacity Bucket
762 mm (30 in) Pin Lock High Capacity Bucket
762 mm (30 in) Pin Lock High Capacity Bucket
610 mm (24 in) Pin Lock High Capacity Bucket
610 mm (24 in) Pin Lock High Capacity Bucket
457 mm (18 in) Pin Lock High Capacity Bucket
457 mm (18 in) Pin Lock High Capacity Bucket
406 mm (16 in) Pin Lock High Capacity Bucket
406 mm (16 in) Pin Lock High Capacity Bucket
914 mm (36 in) Pin Lock Heavy Duty Bucket
914 mm (36 in) Pin Lock Heavy Duty Bucket
762 mm (30 in) Pin Lock Heavy Duty Bucket
762 mm (30 in) Pin Lock Heavy Duty Bucket
610 mm (24 in) Pin Lock Heavy Duty Bucket
610 mm (24 in) Pin Lock Heavy Duty Bucket
457 mm (18 in) Pin Lock Heavy Duty Bucket
457 mm (18 in) Pin Lock Heavy Duty Bucket
406 mm (16 in) Pin Lock Heavy Duty Bucket
406 mm (16 in) Pin Lock Heavy Duty Bucket
300 mm (12 in) Pin Lock Heavy Duty Bucket
300 mm (12 in) Pin Lock Heavy Duty Bucket
A68 Auger
A68 Auger

Call us today: 1-877-778-2230
or  Send us a message