Miniexcavatoare Cat® 309 CR

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.The 309 CR also features high flow hydraulics to handle power hungry attachments such as mulchers and brushcutters.

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STICK STEER TRAVEL MODE

  • 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!

ALL DAY COMFORT

  • 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.

SIMPLE SERVICE FOR LESS DOWNTIME

  • 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.

EASY TO OPERATE

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

SAFETY ON THE JOB SITE

  • 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.

LOWER OPERATING COSTS

  • 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.

BIG PERFORMANCE IN A MINI DESIGN

  • 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.

Specificatii tehnice

SPECIFICATII TEHNICE

Engine
Net Power 52.4 kW
Weights
Operating Weight 9403 kg
Dimensions - Long Stick
Dig Depth 4593 mm
Engine
Engine Model Cat C3.3B
Blade
Height 431 mm
Dimensions - Long Stick
O/A Shipping Length 6816 mm
Dimensions - Standard Stick
Boom Swing - Right 935 mm
Blade
Width - Wide 2640 mm
Hydraulic System
Type Load Sensing Hydraulics with Variable Displacement Piston Pump
Weights
Maximum Operating Weight with Cab** 9565 kg
Dimensions - Standard Stick
Maximum Dump Clearance 4810 mm
Tail Swing without Counterweight 1450 mm
Dimensions - Long Stick
Maximum Dump Clearance 5122 mm
Dimensions - Standard Stick
Transport Height 2487 mm
Maximum Reach - Ground Level 6930 mm
O/A Undercarriage Length 3200 mm
Cab Height 2607 mm
Sound
Average Exterior Sound Pressure (ISO 6395:2008) 99 dB(A)
Engine
Displacement 3.33 l
Hydraulic System
Operating Pressure - Swing 250 bar
Weights
Note (1) *Minimum Weight is based on steel tracks, no counterweight, operator, full fuel tank, standard stick, blade and no bucket.
Dimensions - Standard Stick
Swing Bearing - Height 795 mm
Maximum Dig Height 3786 mm
Dimensions - Long Stick
Boom In Reach 3215 mm
Vertical Wall 3354 mm
Engine
Bore 94 mm
Travel System
Gradeability - Maximum 30 degrees
Engine
Rated Net Power - 2,200 rpm - EU Stage V - ISO 9249/EEC 80/1269 53.3 kW
Hydraulic System
Auxiliary Circuit - Secondary - Flow 33 l/min
Auxiliary Circuit - Primary (High Flow) - Pressure 285 bar
Dimensions - Long Stick
Maximum Blade Depth 671 mm
Certification - Cab
Roll Over Protective Structure (ROPS) ISO 12117-2:2008
Engine
Gross Power - ISO 14396 55.4 kW
Dimensions - Standard Stick
Track Belt/Shoe Width 450 mm
Dimensions - Long Stick
O/A Undercarriage Length 3200 mm
Travel System
Ground Pressure - Minimum Weight 34.7 kPa
Dimensions - Long Stick
O/A Track Width 2470 mm
Dimensions - Standard Stick
O/A Track Width 2470 mm
Travel System
Ground Pressure - Maximum Weight 37.1 kPa
Dimensions - Long Stick
Transport Height 2514 mm
Service Refill Capacities
Engine Oil 11.2 l
Dimensions - Standard Stick
Ground Clearance 356 mm
Dimensions - Long Stick
Stick Length 2358 mm
Travel System
Travel Speed - High 4.9 km/h
Dimensions - Long Stick
Maximum Blade Height 355 mm
Hydraulic System
Digging Force - Stick - Standard 42.3 kN
Dimensions - Standard Stick
O/A Shipping Length 6731 mm
Hydraulic System
Digging Force - Stick - Long 35.7 kN
Dimensions - Long Stick
Maximum Dig Height 7089 mm
Hydraulic System
Auxiliary Circuit - Secondary - Pressure 285 bar
Certification - Cab
Top Guard ISO 10262:1998 (Level II)
Hydraulic System
Operating Pressure - Travel 285 bar
Weight Increase from Minimum Configuration
Steel Tracks with Pads 330 kg
Dimensions - Long Stick
Tail Swing with Counterweight 1645 mm
Dimensions - Standard Stick
Maximum Reach 7141 mm
Dimensions - Long Stick
Maximum Reach 7637 mm
Certification - Cab
Tip Over Protective Structure (TOPS) ISO 12117:1997
Sound
Note European Union Directive “2000/14/EC”
Weight Increase from Minimum Configuration
Long Stick 66 kg
Dimensions - Long Stick
Cab Height 2607 mm
Sound
Operator Sound Pressure (ISO 6396:2008) 72 dB(A)
Service Refill Capacities
Fuel Tank 147 l
Dimensions - Standard Stick
Tail Swing with Counterweight 1645 mm
Hydraulic System
Pump Flow at 2,400 rpm 233 l/min
Dimensions - Long Stick
Ground Clearance 356 mm
Swing Bearing - Height 795 mm
Service Refill Capacities
Hydraulic System 110 l
Dimensions - Long Stick
Track Belt/Shoe Width 450 mm
Dimensions - Standard Stick
Boom In Reach 3059 mm
Travel System
Travel Speed - Low 2.6 km/h
Engine
Rated Net Power - 2,200 rpm - U.S. EPA Tier 4 Final - ISO 9249/EEC 80/1269 52.4 kW
Dimensions - Long Stick
Boom Swing - Left 604 mm
Dimensions - Standard Stick
Vertical Wall 2941 mm
Dimensions - Long Stick
Boom Swing - Right 935 mm
Hydraulic System
Digging Force - Bucket 62 kN
Auxiliary Circuit - Primary (High Flow) - Flow 140 l/min
Blade
Width - Standard 2470 mm
Swing System
Machine Swing Speed 10.6 r/min
Travel System
Maximum Traction Force - High Speed 28.9 kN
Hydraulic System
Operating Pressure - Equipment 285 bar
Dimensions - Standard Stick
Dig Depth 4058 mm
Travel System
Maximum Traction Force - Low Speed 84.8 kN
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 - Long Stick
Tail Swing without Counterweight 1450 mm
Weights
Note (2) **Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, long stick, blade and no bucket.
Weight Increase from Minimum Configuration
Counterweight 250 kg
Service Refill Capacities
Cooling System 10 l
Hydraulic Tank 53 l
Dimensions - Standard Stick
Stick Length 1823 mm
Weights
Minimum Operating Weight with Cab* 8950 kg
Dimensions - Standard Stick
Boom Swing - Left 604 mm
Maximum Blade Height 355 mm
Maximum Blade Depth 671 mm
Engine
Stroke 120 mm
Dimensions - Long Stick
Maximum Reach - Ground Level 7449 mm
Specifications
Note The 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.
Swing System
Boom Swing - Right 50 degrees
Boom Swing - Left 60 degrees
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