308 CR Variable Angle Boom Mini Excavator
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Mini Excavators 309 CR VAB

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Key Specs

Net Power
69 hp
51.2 kW
Operating Weight
22094 lb
10020 kg
Dig Depth
150.2 in
3815 mm

Overview

Mini Excavators Inspired by Our Customers

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.

Benefits

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

Features At A Glance

Specifications Standard Equipment Optional Equipment

Product Specifications for 309 CR VAB

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Net Power 69 hp 51.2 kW
Engine Model Cat® C2.8 Turbo Cat® C2.8 Turbo
Net Power - 2,200 rpm - ISO 9249:2007, 80/1269/EEC 69 hp 51.2 kW
Gross Power - ISO 14396 74.3 hp 55.4 kW
Bore 3.5 in 90 mm
Stroke 4.3 in 110 mm
Displacement 171 in³ 2.8 l
Note Meets U.S. EPA Tier 4 Final and EU Stage V emissions standards. 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 thetime of manufacture. Advertised power is tested per the specified standard in effect at thetime of manufacture.
Note (2) Net power advertised is the power available at the flywheel when the engine is at the rated speed of 2,200 rpm and the engine is installed with the factory configured fan, air intake system, exhaust system and alternator with a minimum alternator load. Net power advertised is the power available at the flywheel when the engine is at the rated speed of 2,200 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 22094 lb 10020 kg
Minimum Operating Weight with Standard Stick* 20264 lb 9190 kg
Maximum Operating Weight with Standard Stick** 22094 lb 10020 kg
Note (1) *Minimum Weight is based on steel tracks, no counterweight, operator, full fuel tank, standard stick, blade, and no bucket. *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, (500 kg/1,103 lb) counterweight, operator, full fuel tank, standard stick, blade, and no bucket. **Maximum Weight is based on steel tracks with rubber pads, (500 kg/1,103 lb) counterweight, operator, full fuel tank, standard stick, blade, and no bucket.
Dig Depth 150.2 in 3815 mm
Vertical Wall 99.2 in 2520 mm
Maximum Reach at Ground Level 248 in 6300 mm
Maximum Reach 256.5 in 6515 mm
Maximum Dig Height 205.5 in 5220 mm
Maximum Dump Clearance 135.8 in 3450 mm
Boom in Reach 122.8 in 3120 mm
Tail Swing with Counterweight 62.4 in 1585 mm
Tail Swing without Counterweight 57.1 in 1450 mm
Maximum Blade Height 16.1 in 408 mm
Maximum Blade Depth 19.1 in 484 mm
Cab Height 100 in 2541 mm
Swing Bearing Height 29.8 in 756 mm
Overall Undercarriage Length 126 in 3200 mm
Overall Shipping Length 255.7 in 6495 mm
Boom Swing Right 37 in 935 mm
Boom Swing Left 24 in 605 mm
Track Belt/Shoe Width 17.7 in 450 mm
Overall Track Width 97.2 in 2470 mm
Ground Clearance 14 in 356 mm
Stick Length 71.7 in 1820 mm
Dig Depth 136.2 in 3460 mm
Vertical Wall 146.7 in 3725 mm
Maximum Reach at Ground Level 303.7 in 7715 mm
Maximum Reach 310.4 in 7885 mm
Maximum Dig Height 322 in 8180 mm
Maximum Dump Clearance 247.4 in 6285 mm
Boom in Reach 106.7 in 2710 mm
Tail Swing with Counterweight 62.4 in 1585 mm
Tail Swing without Counterweight 57.1 in 1450 mm
Maximum Blade Height 16.1 in 408 mm
Maximum Blade Depth 19.1 in 484 mm
Cab Height 100 in 2541 mm
Swing Bearing Height 29.8 in 756 mm
Overall Undercarriage Length 126 in 3200 mm
Overall Shipping Length 255.7 in 6495 mm
Boom Swing Right 37 in 935 mm
Boom Swing Left 24 in 605 mm
Track Belt/Shoe Width 17.7 in 450 mm
Overall Track Width 97.2 in 2470 mm
Ground Clearance 14 in 356 mm
Stick Length 71.7 in 1820 mm
Counterweight 552 lb 250 kg
Counterweight (extra) 1103 lb 500 kg
Standard Stick 77 lb 35 kg
Steel Tracks with Pads 728 lb 330 kg
Travel Speed - High 2.9 mile/h 4.7 km/h
Travel Speed - Low 1.6 mile/h 2.6 km/h
Maximum Traction Force - High Speed 7419 lbf 33 kN
Maximum Traction Force - Low Speed 19064 lbf 84.8 kN
Ground Pressure - Minimum Weight 5.2 psi 35.6 kPa
Ground Pressure - Maximum Weight 5.6 psi 38.9 kPa
Gradeability - Maximum 30 degrees 30 degrees
Cooling System 2.6 gal (US) 10 l
Engine Oil 2.3 gal (US) 8.8 l
Fuel Tank 39 gal (US) 147 l
Hydraulic Tank 14 gal (US) 53 l
Hydraulic System 29 gal (US) 110 l
Type Load Sensing Hydraulics with Variable Displacement Piston Pump Load Sensing Hydraulics with Variable Displacement Piston Pump
Pump Flow at 2,400 rpm 62 gpm 233 L/min
Operating Pressure - Equipment 4134 psi 285 bar
Operating Pressure - Travel 4134 psi 285 bar
Operating Pressure - Swing 3626 psi 250 bar
Maximum Auxiliary Circuit - Primary - Flow at Pump 37 gpm 140 L/min
Maximum Auxiliary Circuit - Primary - Pressure at Pump 4134 psi 285 bar
Maximum Auxiliary Circuit - Secondary - Flow at Pump 9 gpm 33 L/min
Maximum Auxiliary Circuit - Secondary - Pressure at Pump 4134 psi 285 bar
Digging Force - Stick - Standard 9509 lbf 42.3 kN
Digging Force - Bucket 13946 lbf 62 kN
Note Flow and pressure are not combinable. Under load, as flow rises pressure goes down. Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Machine Swing Speed 10 r/min 10 r/min
Boom Swing - Left 60 degrees 60 degrees
Boom Swing - Right 50 degrees 50 degrees
Roll Over Protective Structure (ROPS) ISO 12117-2:2008 ISO 12117-2:2008
Top Guard ISO 10262:1998 (Level I) ISO 10262:1998 (Level I)
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 0.90 kg (1.98 lb) or 1 kg (2.20 lb) of refrigerant which has a CO2 equivalent of 1.430 metric tonnes (1.576 tons) for R134a and 0.001 tonnes (0.001 tons) for R1234yf (Europe). 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 0.90 kg (1.98 lb) or 1 kg (2.20 lb) of refrigerant which has a CO2 equivalent of 1.430 metric tonnes (1.576 tons) for R134a and 0.001 tonnes (0.001 tons) for R1234yf (Europe).
Operator Sound Pressure (ISO 6396:2008) 72 dB(A) 72 dB(A)
Average Exterior Sound Pressure (ISO 6395:2008) 99 dB(A) 99 dB(A)
Note European Union Directive "2000/14/EC" European Union Directive "2000/14/EC"
Recyclability 96% 96%
Note The 309 CR VAB specifications are based on a machine configured with a Long (L) Undercarriage. The 309 CR VAB specifications are based on a machine configured with a Long (L) Undercarriage.
Width - Standard 97.2 in 2470 mm
Width - Wide 103.9 in 2640 mm
Height 17 in 431 mm

309 CR VAB Standard Equipment

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ENGINE

  • Cat C2.8 Turbo 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)

HYDRAULICS

  • Smart Tech Electronic Pump
  • 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
  • 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
  • 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

UNDERCARRIAGE

  • Tie Down Eyes on Track Frame
  • Greased and Lubricated Track
  • Hydraulic Track Adjusters
  • 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
  • Lock Out/Tag Out Battery Disconnect
  • Ignition Key Stop Switch
  • Rear Camera

GUARDING

  • ROPS ISO 12117-2:2008
  • Top Guard ISO 10262:1998 (Level I)

OTHER

  • Locks on External Enclosure Doors
  • Lockable Fuel Cap
  • Beacon Socket
  • Rear Reflectors

309 CR VAB Optional Equipment

Print

HYDRAULICS

  • Third Auxiliary

OPERATOR ENVIRONMENT

  • 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

TECHNOLOGY

  • Ease of Use Indicate
  • Ease of Use E-Fence
  • Ease of Use Laser Catcher
  • Cat Grade Advanced 2D
  • Cat Grade 3D

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

  • Boom Lowering Check Valve
  • Stick Lowering Check Valve
  • Attachments including Buckets, Augers and Hammers
  • 2nd Auxiliary Hydraulic Lines
  • Boom Lowering Control Valve (Standard in Europe)
  • Stick Lowering Control Valve (Standard in Europe)
  • Certified Lifting Eye

ELECTRICAL

  • Travel Alarm
  • Rear and Side Camera
  • Rotating Beacon

GUARDING

  • 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

OTHER

  • Counterweight (250 kg/551 lb)
  • Counterweight (500 kg/1103 lb)
  • Water Jacket Heater
  • Refueling Pump

See how 309 CR VAB compares against frequently compared products.

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309 CR VAB
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Net Power
69 hp
51.2 kW
Operating Weight
22094 lb
10020 kg
Dig Depth
150.2 in
3815 mm
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Checking Price
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New
Excavators
308 CR VAB
308 CR VAB
Net Power
69 hp
51.2 kW
Operating Weight
21080 lb
9560 kg
Dig Depth
150.2 in
3815 mm
View Details

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308 CR VAB Mini Hydraulic Excavator

308 CR VAB Mini Hydraulic Excavator

308 CR VAB Mini Hydraulic Excavator

308 CR VAB Mini Hydraulic Excavator

308 CR VAB Mini Hydraulic Excavator
308 CR VAB Mini Hydraulic Excavator

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