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305 CR

Mini Excavators

The Cat® 305 CR Mini Excavator delivers power and performance in a compact size to help you work in a wide range of applications.

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Net Power 27.2 kW
Operating Weight 5695 kg
Dig Depth 3670 mm
Engine Model C1.7 Turbo
Availability Contact Dealer
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305 CR
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OVERVIEW

Mini Excavators Inspired by Our Customers

FEATURES & BENEFITS

ALL DAY COMFORT

Choose either a canopy (not available in some regions) or a sealed and pressurized cab with air conditioning, adjustable wrist rests, and a suspension seat to help keep y... Read more

EASY TO OPERATE

Controls are easy to use and the intuitive Next Generation LCD monitor provides machine information in a clear and easy to read format. Read more

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 m... Read more

BIG PERFORMANCE IN A COMPACT DESIGN

Strong lift and dig performance help you get the job done faster. The compact radius design allows you to access and work in the tightest areas. Dozer float enables easy... Read more

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, a fluorescent retractable seat belt and seat b... Read more

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. Read more

LOWER OPERATING COSTS

Equipped with features such as auto idle, auto engine shutdown, increased service intervals, and efficient hydraulics with a variable displacement pump, the Cat mini exca... Read more

UNMATCHED DEALER SUPPORT

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

SPECIFICATIONS FOR 305 CR

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Engine
Net Power 27.2 kW
Engine Model C1.7 Turbo
Stroke 100 mm
Displacement 1.662 l
Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC 27.2 kW
Note (1) Net power advertised is the power available at the flywheel when the engine is at rated speed and rated power when the engine is installed with the factory configured fan, air intake system, exhaust system, and alternator with a minimum alternator load.
Bore 84 mm
Gross Power - 2,400 rpm - SAE J1995:2014 29 kW
Note Meets Brazil MAR-1 emission standards. Equivalent to EU Stage IIIA emission standards.
Weights
Operating Weight 5695 kg
Note (1) **Maximum Weight is based on steel tracks with pads, operator, full fuel tank, long stick, straight blade, extra counterweight and no bucket.
Minimum Operating Weight with Cab* 5035 kg
Maximum Operating Weight with Canopy** 5596 kg
Note *Minimum Weight is based on rubber tracks, operator, full fuel tank, standard stick, straight blade, no bucket and no extra counterweight.
Minimum Operating Weight with Canopy* 4936 kg
Maximum Operating Weight with Cab** 5695 kg
Dimensions - Long Stick
Dig Depth 3670 mm
Overall Shipping Length* 5340 mm
Maximum Blade Height 400 mm
Boom Swing - Right 865 mm
Track Width 1980 mm
Maximum Dig Height 5355 mm
Tail Swing with Counterweight 1200 mm
Maximum Reach 5990 mm
Maximum Dump Clearance 3845 mm
Maximum Reach - Ground Level 5835 mm
O/A Shipping Height 2550 mm
Stick Length 1601 mm
O/A Undercarriage Length 2585 mm
Boom In Reach 2580 mm
Swing Bearing - Height 619 mm
Boom Height - Shipping Position 1895 mm
Tail Swing without Counterweight 1095 mm
Note *Overall Shipping Length depends on blade position during shipment.
Track Belt/Shoe Width 400 mm
Vertical Wall 2560 mm
Maximum Blade Depth 650 mm
Boom Swing - Left 615 mm
Ground Clearance 335 mm
Dimensions - Standard Stick
Maximum Blade Height 400 mm
Boom Swing - Left 615 mm
Vertical Wall 2335 mm
Maximum Blade Depth 650 mm
O/A Undercarriage Length 2585 mm
Boom Swing - Right 865 mm
Dig Depth 3420 mm
Tail Swing with Counterweight 1200 mm
Note *Overall Shipping Length depends on blade position during shipment.
Stick Length 1351 mm
Overall Shipping Length* 5305 mm
Tail Swing without Counterweight 1095 mm
Maximum Dig Height 5215 mm
O/A Shipping Height 2550 mm
Track Belt/Shoe Width 400 mm
Swing Bearing - Height 619 mm
Maximum Dump Clearance 3700 mm
Maximum Reach 5755 mm
Maximum Reach - Ground Level 5590 mm
Boom Height - Shipping Position 1820 mm
Boom In Reach 2570 mm
Ground Clearance 335 mm
Sound
Average Exterior Sound Pressure (ISO 6395:2008) 97 dB(A)
Operator Sound Pressure (ISO 6396:2008) 76 dB(A)
Note European Union Directive “2000/14/EC”
Hydraulic System
Auxiliary Circuit - Secondary - Flow 28 l/min
Pump Flow at 2,400 rpm 133 l/min
Auxiliary Circuit - Secondary - Pressure 265 bar
Digging Force - Stick - Standard 28.3 kN
Auxiliary Circuit - Primary - Flow 80 l/min
Auxiliary Circuit - Primary - Pressure 265 bar
Digging Force - Stick - Long 25.2 kN
Operating Pressure - Swing 200 bar
Operating Pressure - Equipment 265 bar
Note *Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Type Load Sensing Hydraulics with Variable Displacement Piston Pump
Operating Pressure - Travel 265 bar
Digging Force - Bucket 49.2 kN
Blade
Angle Blade Width 1980 mm
Straight Blade Height 415 mm
Angle Blade Height 400 mm
Angle Blade - Left 25 degrees
Angle Blade - Right 25 degrees
Straight Blade Width 1980 mm
Service Refill Capacities
Engine Oil 6 l
Cooling System 11 l
Hydraulic Tank 75 l
Hydraulic System 60 l
Fuel Tank 63 l
Weight Increase from Minimum Configuration
Steel Tracks with Pads 375 kg
Long Stick 34 kg
Angle Blade 92 kg
Counterweight 242 kg
Swing System
Machine Swing Speed 9 r/min
Boom Swing - Right 50 °
Boom Swing - Left 72 °
Travel System
Ground Pressure - Maximum Weight 31.8 kPa
Travel Speed - Low 2.8 km/h
Ground Pressure - Minimum Weight 26.9 kPa
Maximum Traction Force - Low Speed 50.5 kN
Maximum Traction Force - High Speed 24.7 kN
Gradeability - Maximum 30 degrees
Travel Speed - High 4.5 km/h
Certification - Cab and Canopy
Roll Over Protective Structure (ROPS) ISO 12117-2:2008
Tip Over Protective Structure (TOPS) ISO 12117:1997
Top Guard ISO 10262:1998 Level I

SELECT MODELS TO COMPARE

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305.5E2 CR

Net Power 32.9 kW
Engine Model Cat® C2.4
Net Power - 2,200 rpm - ISO 9249/EEC 80/1269 32.9 kW
Operating Weight 5423 kg
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305.5E2

Engine Model Cat C2.4 DI
Net Power 31.1 kW
Stroke 102.4 mm
Gross Power - 2,400 rpm - SAE J1995 34.1 kW
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Mini Excavators

305E2 CR

Net Power 30 kW
Engine Model Cat C2.4
Net Power - 2,200 rpm - ISO 9249/EEC 80/1269 30 kW
Note The Cat C2.4 meets U.S. EPA Tier 4 Final emission standards for North America, EU Stage V emission standards for Europe and Tier 4 Interim emission standards for all other regions.
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Mini Excavators

307.5

Engine Model Cat C2.4 Turbo
Net Power 34.9 kW
Operating Weight 8113 kg
Height 431 mm
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Mini Excavators

306E2

Engine Model Cat® C2.4 (DI Turbo)
Net Power 34.7 kW
Gross Power - 2,200 rpm 36.5 kW
Bore 87 mm
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Mini Excavators

304E2 CR

Net Power 30 kW
Engine Model Cat C2.4
Note The Cat C2.4 meets U.S. EPA Tier 4 Final emission standards for North America, EU Stage V emission standards for Europe and Tier 4 Interim emission standards for all other regions.
Net Power - 2,200 rpm - ISO 9249/EEC 80/1269 30 kW
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