309 CR Mini Excavator

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
Cat 309 CR Mini Excavator Customer Story � Webb Excavating (Tennessee, USA) Cat 309 CR Mini Excavator Customer Story � Webb Excavating (Tennessee, USA)
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 Depth181 in (4593 mm)
Engine ModelCat C3.3B
The Cat® 309 CR Mini Excavator delivers maximum power and performance in a mini size to help you work in a wide range of applications.

Specifications

Net Power70.3 HP (52.4 kW)
Operating Weight20731 lb (9403 kg)
Dig Depth181 in (4593 mm)
Engine ModelCat C3.3B
Height17 in (431 mm)
Vertical Wall116 in (2941 mm)
Boom Swing - Left24 in (604 mm)
Rated Net Power - 2,200 rpm - U.S. EPA Tier 4 Final - ISO 9249/EEC 80/126970.3 HP (52.4 kW)
Travel Speed - Low1.6 mile/h (2.6 km/h)
Boom In Reach120 in (3059 mm)
Track Belt/Shoe Width18 in (450 mm)
Hydraulic System29 gal (US) (110 l)
Swing Bearing - Height31 in (795 mm)
Ground Clearance13.5 in (356 mm)
Tail Swing with Counterweight65 in (1645 mm)
Pump Flow at 2,400 rpm62 gal/min (233 l/min)
Fuel Tank39 gal (US) (147 l)
Operator Sound Pressure (ISO 6396:2008)72 dB(A) (72 dB(A))
Cab Height100 in (2607 mm)
Long Stick146 lb (66 kg)
NoteEuropean Union Directive “2000/14/EC”
Tip Over Protective Structure (TOPS)ISO 12117:1997
Maximum Reach301 in (7637 mm)
Maximum Reach281 in (7141 mm)
Tail Swing with Counterweight65 in (1645 mm)
Boom Swing - Right37 in (935 mm)
Auxiliary Circuit - Primary (High Flow) - Flow37 gal/min (140 l/min)
Digging Force - Bucket13943 lb (62 kN)
Hydraulic Tank14 gal (US) (53 l)
Boom Swing - Right50 degrees
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 Reach - Ground Level293 in (7449 mm)
Stroke4.7 in (120 mm)
Maximum Blade Depth26 in (671 mm)
Maximum Blade Height14 in (355 mm)
Boom Swing - Left24 in (604 mm)
Minimum Operating Weight with Cab*19735 lb (8950 kg)
Stick Length72 in (1823 mm)
Cooling System2.6 gal (US) (10 l)
Steel Tracks with Pads728 lb (330 kg)
Counterweight552 lb (250 kg)
Note (2)**Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, long stick, blade and no bucket.
Tail Swing without Counterweight57 in (1450 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.
Maximum Traction Force - Low Speed19064 lb (84.8 kN)
Dig Depth160 in (4058 mm)
Operating Pressure - Equipment4134 psi (285 bar)
Maximum Traction Force - High Speed6497 lb (28.9 kN)
Machine Swing Speed10.6 r/min (10.6 r/min)
Width - Standard97 in (2470 mm)
Auxiliary Circuit - Secondary - Pressure4134 psi (285 bar)
Operating Pressure - Travel4134 psi (285 bar)
O/A Undercarriage Length126 in (3200 mm)
Vertical Wall132 in (3354 mm)
Boom In Reach127 in (3215 mm)
Maximum Dig Height149 in (3786 mm)
Swing Bearing - Height31 in (795 mm)
Note (1)*Minimum Weight is based on steel tracks, no counterweight, operator, full fuel tank, standard stick, blade and no bucket.
Operating Pressure - Swing3626 psi (250 bar)
Displacement203 in³ (3.33 l)
Average Exterior Sound Pressure (ISO 6395:2008)99 dB(A) (99 dB(A))
Cab Height100 in (2607 mm)
Maximum Reach - Ground Level273 in (6930 mm)
Gradeability - Maximum30 degrees
Transport Height98 in (2487 mm)
Maximum Dump Clearance202 in (5122 mm)
Tail Swing without Counterweight57 in (1450 mm)
Maximum Dump Clearance189 in (4810 mm)
Maximum Operating Weight with Cab**21091 lb (9565 kg)
TypeLoad Sensing Hydraulics with Variable Displacement Piston Pump
Width - Wide104 in (2640 mm)
Boom Swing - Right37 in (935 mm)
O/A Shipping Length268 in (6816 mm)
Bore3.7 in (94 mm)
Rated Net Power - 2,200 rpm - EU Stage V - ISO 9249/EEC 80/126971.5 HP (53.3 kW)
Top GuardISO 10262:1998 (Level II)
Transport Height99 in (2514 mm)
Maximum Dig Height279 in (7089 mm)
Digging Force - Stick - Long8023 lb (35.7 kN)
O/A Shipping Length265 in (6731 mm)
Digging Force - Stick - Standard9500 lb (42.3 kN)
Maximum Blade Height14 in (355 mm)
Travel Speed - High3.1 mile/h (4.9 km/h)
Stick Length93 in (2358 mm)
Ground Clearance14 in (356 mm)
Engine Oil3 gal (US) (11.2 l)
Ground Pressure - Maximum Weight5.4 psi (37.1 kPa)
Auxiliary Circuit - Secondary - Flow9 gal/min (33 l/min)
O/A Track Width97 in (2470 mm)
O/A Track Width97 in (2470 mm)
Ground Pressure - Minimum Weight5 psi (34.7 kPa)
O/A Undercarriage Length126 in (3200 mm)
Track Belt/Shoe Width18 in (450 mm)
Gross Power - ISO 1439674.3 HP (55.4 kW)
Roll Over Protective Structure (ROPS)ISO 12117-2:2008
Maximum Blade Depth26 in (671 mm)
Auxiliary Circuit - Primary (High Flow) - Pressure4134 psi (285 bar)
Boom Swing - Left60 degrees

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

  • Cat C3.3B 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
  • Variable Displacement Piston Pump
  • Load Sensing/Flow Sharing Hydraulics
  • Power On Demand
  • Hydraulic Temperature Monitoring
  • Certified Accumulator
  • HYDO Advanced Hydraulic Oil
  • Sealed and Pressurized Cab
  • Operator Sound Pressure 72 dB(A) ISO 6396:2008
  • 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
  • 12V Power Socket
  • Radio – Bluetooth®, USB, Auxiliary, Microphone
  • Skylight
  • Mounting Bosses for Top and Front Guards
  • ROPS – ISO 12117-2:2008
  • TOPS – ISO 12117:1997
  • Top Guard – ISO 10262:1998 (Level II)
  • 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
  • Greased and Lubricated Track
  • Hydraulic Track Adjusters
  • Tie Down Eyes on Track Frame
  • Dozer Blade
  • Dozer Float
  • Bolt-on, Reversible Wear Edge
  • Steel Tracks (450 mm/17.7 in wide)
  • One Piece Boom (3400 mm/133.9 in)
  • Standard Stick (1820 mm/71.7 in)
  • Long Stick (2360 mm/92.9 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
  • 60 Ampere Alternator
  • 900 CCA Maintenance Free Battery
  • Circuit Breaker
  • Ignition Key Stop Switch
  • Signaling/Warning Horn
  • Product Link™ Elite Lite (regulations apply)
  • Travel Alarm

Optional Equipment

  • Rain Visor
  • Air Suspension Heated Seat
  • Rearview Camera
  • Rotating Beacon
  • Attachments including Buckets, Augers and Hammers
  • Wide Steel Tracks (600 mm/23.6 in)
  • Wide Dozer Blade
  • 2nd Auxiliary Hydraulic Lines with Case Drain
  • Additional Counterweight
  • Boom and Stick Hose Burst Check Valves
  • Bucket Linkage with Lift Eye
  • Track Guides
  • Water Jacket Heater
  • Refueling Pump
  • Variable Angle Boom (please see 309 CR VAB brochure for VAB specs and additional information)
  • Cab Guarding