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309 CR Mini Excavator with Variable Angle Boom

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Introducing the Next Generation Cat 7-10 Ton Mini Excavators Introducing the Next Generation Cat 7-10 Ton Mini Excavators
Overview of the Next Generation Cat 7-10 Ton Mini Excavators Overview of the Next Generation Cat 7-10 Ton Mini Excavators
Standard Monitor on the Next Generation Cat Mini Excavators Standard Monitor on the Next Generation Cat Mini Excavators
Stick Steer on the Cat Next Generation Mini Excavators Stick Steer on the Cat Next Generation Mini Excavators
Daily Maintenance and Inspection on the Cat 7-10 Ton Mini Excavators Daily Maintenance and Inspection on the Cat 7-10 Ton Mini Excavators
Safety Features on the Cat 7-10 Ton Mini Excavators Safety Features on the Cat 7-10 Ton Mini Excavators
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SPECS SUMMARY

Net Power70.3 HP (52.4 kW)
Operating Weight20731 lb (9403 kg)
Dig Depth154.8 in (3931 mm)
Engine ModelCat C3.3B
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.

Specifications

Net Power70.3 HP (52.4 kW)
Operating Weight20731 lb (9403 kg)
Dig Depth154.8 in (3931 mm)
Engine ModelCat C3.3B
Height17 in (431 mm)
Average Exterior Sound Pressure (ISO 6395:2008)99 dB(A) (99 dB(A))
Ground Clearance13.5 in (343 mm)
Tail Swing with Counterweight64.8 in (1645 mm)
Overall Undercarriage Length126 in (3200 mm)
Overall Track Width97.2 in (2470 mm)
Dig Depth162 in (4115 mm)
Swing Bearing - Height28.7 in (729 mm)
Maximum Reach300.7 in (7637 mm)
Tail Swing without Counterweight57.1 in (1450 mm)
Maximum Dig Height264.9 in (6729 mm)
Maximum Traction Force - Low Speed19064 lb (84.8 kN)
Tail Swing with Counterweight64.8 in (1645 mm)
Boom Swing - Right37 in (935 mm)
Tail Swing without Counterweight57.1 in (1450 mm)
Track Belt/Shoe Width17.7 in (450 mm)
Roll Over Protective Structure (ROPS)ISO 12117-2:2008
Ground Pressure - Maximum Weight6 psi (40.8 kPa)
Maximum Dig Height321.7 in (8171 mm)
Ground Clearance13.5 in (343 mm)
Displacement203 in³ (3.33 l)
O/A Track Width97.2 in (2470 mm)
Boom Swing - Left24 in (604 mm)
Transport Height99.6 in (2530 mm)
Maximum Blade Depth26.9 in (684 mm)
Overall Shipping Length281.8 in (7158 mm)
Travel Speed - Low1.6 mile/h (2.6 km/h)
Track Belt/Shoe Width17.7 in (450 mm)
O/A Track Width97.2 in (2470 mm)
Cab Height99 in (2514 mm)
Transport Height97.9 in (2487 mm)
Auxiliary Circuit - Primary (High Flow) - Flow37 gal/min (140 l/min)
Operator Sound Pressure (ISO 6396:2008)72 dB(A) (72 dB(A))
Tail Swing with Counterweight64.8 in (1645 mm)
Long Stick146 lb (66 kg)
Gradeability - Maximum30 degrees
Tip Over Protective Structure (TOPS)ISO 12117:1997
Maximum Blade Depth26.9 in (684 mm)
Dig Depth136.5 in (3468 mm)
Maximum Dump Clearance199.4 in (5065 mm)
Transport Height96.5 in (2452 mm)
Note*Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, standard stick, blade and no bucket.
Width - Standard97.2 in (2470 mm)
Boom Swing Left24 in (604 mm)
Boom Swing Left24 in (604 mm)
Bore3.7 in (94 mm)
Maximum Dig Height276.8 in (7032 mm)
NoteEuropean Union Directive “2000/14/EC”
Boom Swing Right37 in (935 mm)
Air ConditioningThe 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.
O/A Undercarriage Length126 in (3200 mm)
Top GuardISO 10262:1998 (Level II)
Stroke4.7 in (120 mm)
Operating Pressure - Swing3626 psi (250 bar)
Maximum Dump Clearance187.1 in (4753 mm)
Counterweight552 lb (250 kg)
Hydraulic Tank14 gal (US) (53 l)
Rated Net Power - 2,200 rpm - U.S. EPA Tier 4 Final - ISO 9249/EEC 80/126970.3 HP (52.4 kW)
Stick Length71.8 in (1823 mm)
Track Belt/Shoe Width17.7 in (450 mm)
O/A Shipping Length262.3 in (6662 mm)
Maximum Dig Height216.3 in (5494 mm)
O/A Undercarriage Length126 in (3200 mm)
Width - Wide103.9 in (2640 mm)
Minimum Operating Weight with Cab*19304 lb (8756 kg)
Maximum Blade Height13.5 in (342 mm)
Operating Pressure - Equipment4134 psi (285 bar)
Vertical Wall134.3 in (3411 mm)
NoteThe 309 CR specifications are based on a machine configured with a Long (L) Undercarriage. For specifications representing a 309 CR with a Standard Undercarriage, please refer to the 308 CR information.
Maximum Reach281.1 in (7140 mm)
Vertical Wall138.7 in (3524 mm)
Stick Length92.8 in (2358 mm)
Machine Swing Speed10.6 r/min (10.6 r/min)
Vertical Wall133.6 in (3394 mm)
Stick Length71.8 in (1823 mm)
Tail Swing without Counterweight57.1 in (1450 mm)
Maximum Dump Clearance251.6 in (6390 mm)
Auxiliary Circuit - Secondary - Pressure4134 psi (285 bar)
Maximum Reach260.3 in (6612 mm)
Stick Length71.8 in (1823 mm)
Maximum Blade Height13.5 in (342 mm)
Dig Depth183.1 in (4650 mm)
Rated Net Power - 2,200 rpm - EU Stage V - ISO 9249/EEC 80/126971.5 HP (53.3 kW)
Digging Force - Stick - Standard9500 lb (42.3 kN)
Swing Bearing Height31.4 in (798 mm)
Fuel Tank39 gal (US) (147 l)
O/A Shipping Length259 in (6578 mm)
Auxiliary Circuit - Secondary - Flow9 gal/min (33 l/min)
Cab Height99 in (2514 mm)
Maximum Blade Depth26.9 in (684 mm)
Operating Pressure - Travel4134 psi (285 bar)
Boom Swing - Right37 in (935 mm)
Boom Swing - Left24 in (604 mm)
Ground Clearance13.5 in (343 mm)
Maximum Reach - Ground Level273.6 in (6951 mm)
Ground Pressure - Minimum Weight6 psi (38 kPa)
Auxiliary Circuit - Primary (High Flow) - Pressure4134 psi (285 bar)
Note (1)*Minimum Weight is based on steel tracks, no counterweight, operator, full fuel tank, standard stick, blade and no bucket.
Swing Bearing - Height28.7 in (729 mm)
Cab Height99 in (2514 mm)
Boom in Reach117.9 in (2995 mm)
TypeLoad Sensing Hydraulics with Variable Displacement Piston Pump
Swing Bearing Height31.4 in (798 mm)
Track Belt/Shoe Width17.7 in (450 mm)
Maximum Reach311 in (7900 mm)
Vertical Wall118 in (2998 mm)
Maximum Reach at Ground Level252.1 in (6403 mm)
Tail Swing without Counterweight57.1 in (1450 mm)
Ground Clearance13.5 in (343 mm)
Boom in Reach112.3 in (2853 mm)
Maximum Dump Clearance143.4 in (3643 mm)
Overall Shipping Length227.2 in (5771 mm)
Boom In Reach126.6 in (3215 mm)
Transport Height99 in (2514 mm)
Maximum Traction Force - High Speed6497 lb (28.9 kN)
Maximum Blade Depth26.9 in (684 mm)
Maximum Reach at Ground Level304.4 in (7732 mm)
Pump Flow at 2,400 rpm62 gal/min (233 l/min)
Cab Height99 in (2514 mm)
Maximum Blade Height13.5 in (342 mm)
Digging Force - Bucket13943 lb (62 kN)
Maximum Blade Height13.5 in (342 mm)
Maximum Operating Weight with Cab**20731 lb (9403 kg)
Hydraulic System28 gal (US) (107 l)
Digging Force - Stick - Long8023 lb (35.7 kN)
Boom In Reach120.4 in (3058 mm)
Maximum Operating Weight with Cab*21054 lb (9550 kg)
Engine Oil3 gal (US) (11.2 l)
Steel Tracks with Pads728 lb (330 kg)
Overall Undercarriage Length126 in (3200 mm)
Overall Track Width97.2 in (2470 mm)
Tail Swing with Counterweight64.8 in (1645 mm)
Cooling System2.6 gal (US) (10 l)
Travel Speed - High3.1 mile/h (4.9 km/h)
Maximum Reach - Ground Level293.8 in (7462 mm)
Boom Swing Right37 in (935 mm)
Gross Power - ISO 1439674.3 HP (55.4 kW)
Note (2)**Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, long stick, blade and no bucket.

Benefits and Features

  • A sealed and pressurized cab is equipped with an improved air conditioning system, adjustable wrist rests and a suspension seat to help keep you working comfortably all day long.

  • Controls are easy to use and the intuitive Next Generation Monitor provides customizable machine operator preferences and easy to read machine information.

  • Moving around the job site is even easier with the Cat Stick Steer option. Easily switch from traditional travel controls with levers and pedals to joystick controls with a push of a button. The benefit of less effort and improved control is in your hands!

  • Increased lifting, swinging, travel and multi-functioning performance helps you get the job done more efficiently, and dig-to-blade allows for easy clean up.

  • Your safety is our top priority. The Cat Mini Excavator is designed to help keep you safe on the job. A back-up camera, courtesy work lights and a fluorescent retractable seat belt are just a few of the safety features we’ve built into the machine.

  • Maintenance is quick and easy on the Cat Mini Excavator. Routine check points are easy to access at ground level with grouped service points and robust service panels.

  • Equipped with features such as auto idle, auto engine shutdown, and efficient hydraulics with a variable displacement pump, the Cat Mini Excavator was designed with reducing your operating costs in mind.

Standard Equipment

  • Extended Life Coolant, –37° C (–35° F)
  • Ecology Drain
  • Cat C3.3B Diesel Engine (U.S. EPA Tier 4 Final/EU Stage V) – Electronic Engine, Turbo, Diesel Particulate Filter (DPF)
  • Automatic Two Speed Travel
  • Automatic Engine Shutdown
  • Radial Seal – Double Element Air Filter
  • Automatic Swing Brake
  • Automatic Engine Idle
  • Fuel Water Separator with Indicator
  • Case Drain Line
  • Hydraulic Temperature Monitoring
  • Hydro Advanced Hydraulic Oil
  • Certified Accumulator
  • Power On Demand
  • Variable Displacement Piston Pump
  • Load Sensing/Flow Sharing Hydraulics
  • Smart Tech Electronic Pump
  • Rear Window Emergency Exit
  • Assisted Front Window Overhead Storage
  • 12V Power Socket
  • Travel Pedals and Hand Levers
  • Travel Cruise Control
  • LED Interior Light
  • Coat Hook
  • Cat Key with Passcode Option
  • Fabric, High Back, Suspension Seat
  • Stick Steer Mode
  • ROPS – ISO 12117-2:2008
  • Removable, Washable Floor Mat
  • Literature Holder
  • Color LCD Monitor
    – Fuel Level and Coolant Temperature Gauges
    – Maintenance and Machine Monitoring
    – Performance and Machine Adjustments
    – Numeric Security Code
    – Multiple Languages
    – Camera Ready
    – Hour Meter with Wake Up Switch
    – Jog Dial Control Interface
  • Mounting Bosses for Top and Front Guards
  • Sealed and Pressurized Cab
  • Radio – Bluetooth®, USB, Auxiliary, Microphone
  • Skylight
  • Integrated Lower Front Window
  • HVAC with Automatic Temperature Control
  • Retractable Seat Belt (75 mm/3 in)
  • TOPS – ISO 12117:1997
  • Top Guard – ISO 10262:1998 (Level II)
  • Cup Holder
  • Hydraulic Lockout Controls
  • Control Pattern Changer
  • Operator Sound Pressure 72 dB(A) ISO 6396:2008
  • Molded Footrests
  • Adjustable Wrist Rests
  • Tie Down Eyes on Track Frame
  • Dozer Blade
  • Dozer Float
  • Bolt-on, Reversible Wear Edge
  • Steel Tracks (450 mm/17.7 in wide)
  • Hydraulic Track Adjusters
  • Greased and Lubricated Track
  • Variable Angle Boom
  • Standard Stick (1823 mm/71.8 in)
  • Front Shovel Capable (Pin-On/Manual Coupler/Hydraulic Coupler – not available in all regions)
  • Thumb Ready (not available in all regions)
  • Certified Lifting Eye (not available in all regions)
  • 12 Volt Electrical System
  • 90 Ampere Alternator
  • 850 CCA Maintenance Free Battery
  • Circuit Breaker
  • Ignition Key Stop Switch
  • Signaling/Warning Horn
  • Product Link™ Elite Lite (regulations apply)

Optional Equipment

  • Air Suspension Heated Seat
  • Rain Visor
  • Rearview Camera
  • Rotating Beacon
  • Boom and Stick Hose Burst Check Valves
  • Bucket Linkage with Lift Eye
  • Track Guides
  • Attachments including Buckets, Augers and Hammers
  • Wide Steel Tracks (600 mm/23.6 in)
  • 2nd Auxiliary Hydraulic Lines
  • Wide Dozer Blade
  • Additional Counterweight
  • Water Jacket Heater
  • Refueling Pump
  • Cab Guarding
  • Travel Alarm (standard in some regions)