305 CR - Tier 4 / Stage V
305 CR - Tier 4 / Stage V
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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Straight Blade Width78 in 1980 mm
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Straight Blade Height15.4 in 390 mm
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Angle Blade Width78 in 1980 mm
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Angle Blade Height15.7 in 400 mm
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Angle Blade - Left25 degrees
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Angle Blade - Right25 degrees
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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 Depth144.5 in 3670 mm
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Vertical Wall100.8 in 2560 mm
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Maximum Reach - Ground Level229.7 in 5835 mm
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Maximum Reach235.8 in 5990 mm
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Maximum Dig Height210.8 in 5355 mm
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Maximum Dump Clearance151.4 in 3845 mm
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Boom In Reach101.6 in 2580 mm
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Tail Swing without Counterweight43.1 in 1095 mm
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Tail Swing with Counterweight47.2 in 1200 mm
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Maximum Blade Height15.2 in 385 mm
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Maximum Blade Depth23.4 in 595 mm
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Boom Height - Shipping Position74.6 in 1895 mm
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O/A Shipping Height100.4 in 2550 mm
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Swing Bearing - Height24.4 in 619 mm
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O/A Undercarriage Length101.6 in 2580 mm
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Overall Shipping Length*210.2 in 5340 mm
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Boom Swing - Right34.1 ° 865 mm
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Boom Swing - Left615 mm 24.2 °
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Track Belt/Shoe Width15.7 in 400 mm
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Track Width78 in 1980 mm
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Ground Clearance13.2 in 335 mm
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Stick Length63 in 1601 mm
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Note*Overall Shipping Length depends on blade position during shipment.
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Dig Depth134.6 in 3420 mm
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Vertical Wall91.9 in 2335 mm
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Maximum Reach - Ground Level220.1 in 5590 mm
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Maximum Reach226.6 in 5755 mm
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Maximum Dig Height205.3 in 5215 mm
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Maximum Dump Clearance145.7 in 3700 mm
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Boom In Reach101.2 in 2570 mm
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Tail Swing without Counterweight43.1 in 1095 mm
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Tail Swing with Counterweight47.2 in 1200 mm
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Maximum Blade Height15.2 in 385 mm
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Maximum Blade Depth23.4 in 595 mm
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Boom Height - Shipping Position71.7 in 1820 mm
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O/A Shipping Height100.4 in 2550 mm
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Swing Bearing - Height24.4 in 619 mm
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O/A Undercarriage Length101.6 in 2580 mm
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Overall Shipping Length*208.9 in 5305 mm
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Boom Swing - Right34.1 ° 865 mm
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Boom Swing - Left24.2 ° 615 mm
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Track Belt/Shoe Width15.7 in 400 mm
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Ground Clearance13.2 in 335 mm
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Stick Length53.2 in 1351 mm
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Note*Overall Shipping Length depends on blade position during shipment.
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Net Power45 hp 33.6 kW
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Engine ModelC1.7 Turbo
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Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC45 hp 33.6 kW
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Gross Power - 2,400 rpm - SAE J1995:201448.4 hp 36.1 kW
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Bore3.3 in 84 mm
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Stroke3.9 in 100 mm
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Displacement101 in³ 1.662 l
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EmissionsThe Cat® C1.7 engine meets U.S. EPA Tier 4 Final and EU Stage V emission standards.
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NoteAdvertised 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 2400 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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Pump Flow at 2,400 rpm35 gpm 133 L/min
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Operating Pressure - Equipment3843 psi 265 bar
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Operating Pressure - Travel3843 psi 265 bar
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Operating Pressure - Swing2901 psi 200 bar
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Auxiliary Circuit - Primary - Flow21 gpm 80 L/min
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Auxiliary Circuit - Primary - Pressure3843 psi 265 bar
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Auxiliary Circuit - Secondary - Flow7 gpm 28 L/min
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Auxiliary Circuit - Secondary - Pressure3843 psi 265 bar
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Digging Force - Stick - Standard6362 lbf 28.3 kN
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Digging Force - Stick - Long5665 lbf 25.2 kN
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Digging Force - Bucket11061 lbf 49.2 kN
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NoteFlow and pressure are not combinable. Under load, as flow rises pressure goes down.
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TypeLoad Sensing Hydraulics with Variable Displacement Piston Pump
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Cooling System2.9 gal (US) 11 l
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Engine Oil1.6 gal (US) 6 l
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Fuel Tank17 gal (US) 63 l
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Hydraulic Tank16 gal (US) 60 l
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Hydraulic System20 gal (US) 75 l
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Operator Sound Pressure (ISO 6396:2008)76 dB(A) 76 dB(A)
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Average Exterior Sound Pressure (ISO 6395:2008)97 dB(A) 97 dB(A)
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Note*The declared dynamic operator sound pressure levels per ISO 6396:2008. The measurements were conducted with the cab doors and windows closed. **The labeled sound power level for the CE marked configurations when measured according to the test procedure and conditions specified in 2000/14/EC.
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Recyclability96%
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Machine Swing Speed9 r/min 9 r/min
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Boom Swing - Left72 Degrees
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Boom Swing - Right50 Degrees
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Travel Speed - High3.1 mile/h 5 km/h
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Travel Speed - Low1.7 mile/h 2.8 km/h
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Maximum Traction Force - High Speed5553 lbf 24.7 kN
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Maximum Traction Force - Low Speed11353 lbf 50.5 kN
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Ground Pressure - Minimum Weight4 psi 27.3 kPa
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Ground Pressure - Maximum Weight4.7 psi 32.2 kPa
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Gradeability - Maximum30 degrees
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Counterweight534 lb 242 kg
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Long Stick75 lb 34 kg
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Steel Tracks with Pads827 lb 375 kg
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Angle Blade225 lb 102 kg
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Operating Weight12688 lb 5754 kg
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Minimum Operating Weight with Canopy*11016 lb 4996 kg
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Maximum Operating Weight with Canopy**12469 lb 5655 kg
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Minimum Operating Weight with Cab*11234 lb 5095 kg
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Maximum Operating Weight with Cab**12688 lb 5754 kg
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Note (1)*Minimum Weight is based on rubber tracks, operator, full fuel tank, standard stick, straight blade, no bucket and no extra counterweight.
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Note (2)**Maximum Weight is based on steel tracks with pads, operator, full fuel tank, long stick, straight blade, extra counterweight and no bucket.
ALL DAY COMFORT
- Choose either a canopy or a sealed and pressurized cab which can be equipped with air conditioning, 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 LCD monitor provides easy to read machine information. An advanced touchscreen monitor can also be equipped as an upgrade option.
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 to move the machine and to operate the blade. The benefit of less effort and improved control is in your hands!
BIG PERFORMANCE IN A COMPACT DESIGN
- Strong lift and dig performance helps you get the job done faster. The compact radius design lets you access and work in the tightest areas. Dig-to-blade and dozer blade float allows for easy clean up. An angle blade is also an option for finished grading and easier backfilling applications.
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. Courtesy work lights and a fluorescent retractable seat belt with optional seat belt reminder system are just a couple 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 through the side doors.
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.
ENGINE
HYDRAULICS
GUARDING
OTHER
OPERATOR ENVIRONMENT
UNDERCARRIAGE
BOOM, STICK AND LINKAGES
ELECTRICAL
The Toromont Cat advantage
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