309 CR
309 CR
An extensive line of Cat® mini hydraulic excavators offers the performance to dig in and be productive on every job.
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Air ConditioningThe 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 0.75 kg (1.65 lb), 0.90 kg (1.98 lb) or 1.0 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).
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Width - Standard97 in 2470 mm
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Width - Wide104 in 2640 mm
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Height17 in 431 mm
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Roll Over Protective Structure (ROPS)ISO 12117-2:2008
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Top GuardISO 10262:1998 (Level I)
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Dig Depth182.8 in 4642 mm
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Vertical Wall134 in 3404 mm
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Maximum Reach - Ground Level293.7 in 7460 mm
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Maximum Reach300.7 in 7637 mm
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Maximum Dig Height277.1 in 7039 mm
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Maximum Dump Clearance199.7 in 5072 mm
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Boom In Reach126.6 in 3215 mm
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Tail Swing with Counterweight62.4 in 1585 mm
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Tail Swing without Counterweight57.1 in 1450 mm
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Maximum Blade Height16.1 in 408 mm
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Maximum Blade Depth26 in 671 mm
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Height - Boom Transport - No Tools*89 in 2260 mm
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Height - Boom Working - With Tools**120.1 in 3050 mm
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Cab Height100 in 2541 mm
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Swing Bearing - Height29.7 in 756 mm
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O/A Undercarriage Length126 in 3200 mm
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Overall Shipping Length - with Counterweight7052 mm (277.6 in)***
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Overall Shipping Length - without Counterweight7052 mm (277.6 in)***
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Track Belt/Shoe Width17.7 in 450 mm
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O/A Track Width97.2 in 2470 mm
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Ground Clearance14 in 356 mm
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Stick Length92.8 in 2358 mm
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Note*Boom Height when stick is pinned in transport position with no attachments.
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Note (1)**Boom Height when stick is pinned in working position with attachments Standard Stick offers only one pin position.
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Note (2)***With blade positioned at the rear of the machine.
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Dig Depth161.7 in 4108 mm
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Vertical Wall117.8 in 2991 mm
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Maximum Reach - Ground Level273.6 in 6949 mm
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Maximum Reach281.1 in 7141 mm
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Maximum Dig Height265.2 in 6736 mm
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Maximum Dump Clearance187.4 in 4760 mm
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Boom In Reach120.4 in 3059 mm
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Tail Swing with Counterweight62.4 in 1585 mm
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Tail Swing without Counterweight57.1 in 1450 mm
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Maximum Blade Height16.1 in 408 mm
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Maximum Blade Depth26 in 671 mm
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Height - Boom Transport - No Tools*95.7 in 2430 mm
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Height - Boom Working - With Tools**104.7 in 2660 mm
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Cab Height100 in 2541 mm
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Swing Bearing - Height29.7 in 756 mm
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O/A Undercarriage Length126 in 3200 mm
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Overall Shipping Length - with Counterweight266.7 in 6774 mm
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Overall Shipping Length - without Counterweight266.7 in 6774 mm
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Track Belt/Shoe Width17.7 in 450 mm
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O/A Track Width97.2 in 2470 mm
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Ground Clearance14 in 356 mm
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Stick Length71.8 in 1820 mm
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Note*Boom Height when stick is pinned in transport position with no attachments.
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Note (1)**Boom Height when stick is pinned in working position with attachments Standard Stick offers only one pin position.
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Note (2)***With blade positioned at the rear of the machine.
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Net Power69 hp 51.2 kW
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Engine ModelCat® C2.8 Turbo
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Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC69 hp 51.2 kW
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Gross Power - ISO 1439655.4 kW 74.3 hp
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Bore3.5 in 90 mm
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Stroke4.3 in 110 mm
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Displacement171 in³ 2.8 l
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NoteMeets U.S. EPA Tier 4 Final and EU Stage V emissions standards.
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Note (1)Advertised power is tested per the specified standard in effect at the time of manufacture.
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Note (2)Net power advertised is the power available at the flywheel when the engine is at the rated speed of 2,400 rpm and the engine is installed with the factory configured fan, air intake system, exhaust system and alternator with a minimum alternator load.
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TypeLoad Sensing Hydraulics with Variable Displacement Piston Pump
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Pump Flow at 2,400 rpm62 gpm 233 L/min
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Operating Pressure - Equipment4134 psi 285 bar
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Operating Pressure - Travel4134 psi 285 bar
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Operating Pressure - Swing3626 psi 250 bar
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Maximum Auxiliary Circuit - Primary - Flow at Pump35 gpm 131 L/min
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Maximum Auxiliary Circuit - Primary - Pressure at Pump4134 psi 285 bar
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Maximum Auxiliary Circuit - High Flow - Flow at Pump37 gpm 140 L/min
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Maximum Auxiliary Circuit - High Flow - Pressure at Pump4134 lbf/in 285 bar
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Digging Force - Stick - Standard9500 lb 42.3 kN
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Digging Force - Stick - Long8023 lb 35.7 kN
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Digging Force - Bucket13943 lb 62 kN
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NoteFlow and pressure are not combinable. Under load, as flow rises pressure goes down.
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Cooling System2.6 gal (US) 10 l
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Engine Oil2.3 gal (US) 8.8 l
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Fuel Tank39 gal (US) 147 l
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Hydraulic Tank14 gal (US) 53 l
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Hydraulic System29 gal (US) 110 l
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Operator Sound Pressure (ISO 6396:2008)72 dB(A) 72 dB(A)
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Average Exterior Sound Pressure (ISO 6395:2008)99 dB(A) 99 dB(A)
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NoteEuropean Union Directive "2000/14/EC"
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NoteThe 309 CR specifications are based on a machine configured with a Long (L) Undercarriage.
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Recyclability96%
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Machine Swing Speed10 r/min 10 r/min
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Boom Swing - Left60 degrees
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Boom Swing - Right50 degrees
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Travel Speed - High3.1 mile/h 4.9 km/h
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Travel Speed - Low1.6 mile/h 2.6 km/h
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Maximum Traction Force - High Speed6497 lb 28.9 kN
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Maximum Traction Force - Low Speed19064 lb 84.8 kN
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Ground Pressure - Minimum Weight5.4 psi 37.5 kPa
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Ground Pressure - Maximum Weight6 psi 41.4 kPa
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Gradeability - Maximum30 degrees
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Counterweight552 lb 250 kg
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Long Stick146 lb 66 kg
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Steel Tracks with Pads728 lb 330 kg
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Operating Weight20870 lb 9465 kg
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Minimum Operating Weight with Cab*18886 lb 8565 kg
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Maximum Operating Weight with Cab**20870 lb 9465 kg
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Note (1)*Minimum Weight is based on steel tracks, no counterweight, operator, full fuel tank, standard stick, blade and no bucket.
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Note (2)**Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, long stick, blade and no bucket.
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.
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® C2.8 Turbo engine meets U.S. EPA Tier 4 Final and EU Stage V 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).
ENGINE
HYDRAULICS
OPERATOR ENVIRONMENT
TECHNOLOGY (availability varies by region)
UNDERCARRIAGE
BOOM, STICK AND LINKAGES
ELECTRICAL
GUARDING
OTHER
The Toromont Cat advantage
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