Skip to main content
Equipment Cat 309

Cat 309

Mini-Excavators

  • Suure vooluhulga hüdraulika
  • Tundlik hüdraulika võimaldab lühimaid töötsükleid
  • Suurimad läbimurde- ja tõstejõud
  • Võrratu salongimugavus parima võimaliku ülevaatega
  • Enneolematu juurdepääs hoolduseks ja teeninduseks
  • V astme mootor täisautomaatse tahkete osakeste filtri regenereerimisega
  • Maksimaalne materjalikäsitlus väikseima diislikuluga
  • 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.

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.

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!

BIG PERFORMANCE IN A MINI DESIGN
  • Increased lifting, swinging, travel and multi-functioning performance helps you get the job done more efficiently, blade float allows for easy clean up and long undercarriage provides improved stability.

HIGH FLOW
  • Dedicated auxiliary hydraulic pump is ideal for running power-hungry attachments while allowing the machine to simultaneously travel and multifunction. This feature allows consistent pressure to the auxiliary lines with no loss of hydraulic power keeping your attachment running at full power maintaining optimal productivity.

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.

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.

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.

UNMATCHED DEALER SUPPORT
  • Your Cat dealer is here to help you reach your business goals. From providing equipment solutions to operator training to service needs and beyond, your Cat dealer is ready to help.

SUSTAINABILITY
  • The Cat® C3.3B engine meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards.
  • Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels up to: 20% biodiesel FAME (fatty acid methyl ester) * or 100% renewable diesel, HVO (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels. Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details.
  • Auto Idle helps reduce unnecessary fuel burn and greenhouse gas emissions by allowing the engine to automatically go into idle mode when the machine is not working.
  • Engine Idle Shutdown Timer reduces fuel burn, greenhouse gas emissions and unnecessary idle time by shutting down the machine after a pre-set idling period.
  • Cruise control helps you maintain a constant speed as you travel across your jobsite saving fuel and reducing greenhouse gas emissions.
  • The Cat® Seat Belt Reminder provides audible and visual warnings to remind operators to buckle up during machine operation. The easy-to-install system is compatible with all equipment brands to help ensure operator safety.
  • Extended maintenance intervals not only reduce downtime but decrease the amount of fluid and filters that are replaced over the life of the machine.
  • Remote Flash minimizes downtime and maintenance time while keeping your asset running with maximum efficiency. Alerts for machine updates are sent virtually from your Cat dealer and updates can be deployed without a dealer technician needing to be onsite.(if equipped)
  • Remote Troubleshoot decreases maintenance time and keeps your machine running with maximum efficiency by allowing your Cat dealer to virtually test the machine while working. Once a problem is identified, a technician can fix it the first time, saving time and money.(if equipped)
  • Cat Grade with advanced 2D and 3D technologies combine advanced guidance with optional automated machine control helping you reach grading targets while reducing fuel burn and greenhouse gas emissions by improving efficiency, job site productivity, and accuracy. (if equipped).

*Engines with no aftertreatment devices can use higher blends, up to 100% biodiesel. (for use of blends higher than 20% biodiesel, consult your Cat dealer)


Air Conditioning System
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.

Blade
Height431 mm
Width - Wide2640 mm
Width - Standard2470 mm

Certification - Cab
Roll Over Protective Structure (ROPS)ISO 12117-2:2008
Top GuardISO 10262:1998 (Level I)
Tip Over Protective Structure (TOPS)ISO 12117:1997

Dimensions - Long Stick
Dig Depth4642 mm
Maximum Dump Clearance5072 mm
Boom In Reach3215 mm
Vertical Wall3404 mm
Maximum Blade Depth671 mm
O/A Undercarriage Length3200 mm
O/A Track Width2470 mm
Stick Length2358 mm
Maximum Blade Height408 mm
Maximum Dig Height7039 mm
Tail Swing with Counterweight1585 mm
Maximum Reach7637 mm
Cab Height2541 mm
Ground Clearance356 mm
Swing Bearing - Height756 mm
Track Belt/Shoe Width450 mm
Boom Swing - Left604 mm
Boom Swing - Right935 mm
Tail Swing without Counterweight1450 mm
Maximum Reach - Ground Level7460 mm
Note*Boom Height when stick is pinned in transport position with no attachments.
Note (2)***With blade positioned at the rear of the machine.
Note (1)**Boom Height when stick is pinned in working position with attachments Standard Stick offers only one pin position.
Height - Boom Transport - No Tools*2260 mm
Overall Shipping Length - with Counterweight7052 mm (277.6 in)***
Height - Boom Working - With Tools**3050 mm
Overall Shipping Length - without Counterweight7052 mm (277.6 in)***

Dimensions - Standard Stick
Boom Swing - Right935 mm
Maximum Dump Clearance4760 mm
Tail Swing without Counterweight1450 mm
Maximum Reach - Ground Level6949 mm
O/A Undercarriage Length3200 mm
Cab Height2541 mm
Swing Bearing - Height756 mm
Maximum Dig Height6736 mm
Track Belt/Shoe Width450 mm
O/A Track Width2470 mm
Ground Clearance356 mm
Maximum Reach7141 mm
Tail Swing with Counterweight1585 mm
Boom In Reach3059 mm
Vertical Wall2991 mm
Dig Depth4108 mm
Stick Length1820 mm
Boom Swing - Left604 mm
Maximum Blade Height408 mm
Maximum Blade Depth671 mm
Note*Boom Height when stick is pinned in transport position with no attachments.
Overall Shipping Length - without Counterweight6774 mm
Overall Shipping Length - with Counterweight6774 mm
Note (2)***With blade positioned at the rear of the machine.
Note (1)**Boom Height when stick is pinned in working position with attachments Standard Stick offers only one pin position.
Height - Boom Transport - No Tools*2430 mm
Height - Boom Working - With Tools**2660 mm

Engine
Net Power51.8 kW
Displacement3.33 l
Bore94 mm
Stroke120 mm
Gross Power - SAE J1995:201455.4 kW
Rated Net Power - 2,200 rpm - U.S. EPA Tier 4 Final/EU Stage V - ISO 9249/EEC 80/126951.8 kW
Engine ModelCat C3.3B

Hydraulic System
TypeLoad Sensing Hydraulics with Variable Displacement Piston Pump
Operating Pressure - Swing250 bar
Digging Force - Stick - Standard42.3 kN
Digging Force - Stick - Long35.7 kN
Operating Pressure - Travel285 bar
Pump Flow at 2,400 rpm233 l/min
Digging Force - Bucket62 kN
Operating Pressure - Equipment285 bar
NoteFlow and pressure are not combinable. Under load, as flow rises pressure goes down.
Maximum Auxiliary Circuit - Secondary - Flow at Pump33 l/min
Maximum Auxiliary Circuit - Primary - Pressure at Pump285 bar
Maximum Auxiliary Circuit - Primary - Flow at Pump131 l/min
Maximum Auxiliary Circuit - Secondary - Pressure at Pump285 bar
Maximum Auxiliary Circuit - High Flow - Pressure at Pump285 bar
Maximum Auxiliary Circuit - High Flow - Flow at Pump140 l/min

Service Refill Capacities
Engine Oil11.2 l
Fuel Tank147 l
Hydraulic System110 l
Cooling System10 l
Hydraulic Tank53 l

Sound
Average Exterior Sound Pressure (ISO 6395:2008)99 dB(A)
NoteEuropean Union Directive "2000/14/EC"
Operator Sound Pressure (ISO 6396:2008)72 dB(A)

Specifications
NoteThe 309 CR specifications are based on a machine configured with a Long (L) Undercarriage.

Sustainability
Recyclability96%

Swing System
Machine Swing Speed10.6 r/min
Boom Swing - Right50 degrees
Boom Swing - Left60 degrees

Travel System
Gradeability - Maximum30 degrees
Ground Pressure - Minimum Weight34.7 kPa
Ground Pressure - Maximum Weight37.1 kPa
Travel Speed - High4.9 km/h
Travel Speed - Low2.6 km/h
Maximum Traction Force - High Speed28.9 kN
Maximum Traction Force - Low Speed84.8 kN

Weight Increase from Minimum Configuration
Steel Tracks with Pads330 kg
Long Stick66 kg
Counterweight250 kg

Weights
Operating Weight9565 kg
Maximum Operating Weight with Cab**9565 kg
Note (1)*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, counterweight, operator, full fuel tank, long stick, blade and no bucket.
Minimum Operating Weight with Cab*8950 kg

Cat 309

Teie otsene kontakt

Lisateabe saamiseks võtke meiega ühendust

Please select your country