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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 33.6 kW
Operating Weight 5754 kg
Dig Depth 3670 mm
Engine Model C1.7 Turbo
Availability Please Call Admin
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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 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... Read more

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... 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 helps you get the job done faster. The compact radius design lets you access and work in the tightest areas. Dozer float allows for easy c... 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 and a fluorescent retractable seat belt with op... 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, and efficient hydraulics with a variable displacement pump, the Cat mini excavator was designed with reduc... Read more

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 rea... Read more

SPECIFICATIONS FOR 305 CR

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Engine
Net Power 33.6 kW
Engine Model C1.7 Turbo
Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC 33.6 kW
Note Advertised power is tested per the specified standard in effect at the time of manufacture.
Gross Power - 2,400 rpm - SAE J1995:2014 36.1 kW
Stroke 100 mm
Bore 84 mm
Displacement 1.662 l
Emissions The Cat® C3.3B engine meets U.S. EPA Tier 4 Final and EU Stage V emission standards.
Weights
Operating Weight 5754 kg
Minimum Operating Weight with Canopy* 4996 kg
Note (1) *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 Cab* 5095 kg
Maximum Operating Weight with Cab** 5754 kg
Maximum Operating Weight with Canopy** 5655 kg
Note (2) **Maximum Weight is based on steel tracks with pads, operator, full fuel tank, long stick, straight blade, extra counterweight and no bucket.
Dimensions - Long Stick
Dig Depth 3670 mm
Stick Length 1601 mm
Track Width 1980 mm
Maximum Blade Depth 595 mm
Maximum Dump Clearance 3845 mm
Boom Swing - Left 24.2 °
Boom Swing - Right 865 mm
Swing Bearing - Height 619 mm
Boom Height - Shipping Position 1895 mm
Boom In Reach 2580 mm
Maximum Reach 5990 mm
Track Belt/Shoe Width 400 mm
Maximum Reach - Ground Level 5835 mm
Maximum Blade Height 385 mm
O/A Shipping Height 2550 mm
Tail Swing without Counterweight 1095 mm
O/A Undercarriage Length 2580 mm
Tail Swing with Counterweight 1200 mm
Vertical Wall 2560 mm
Note *Overall Shipping Length depends on blade position during shipment.
Overall Shipping Length* 5340 mm
Maximum Dig Height 5355 mm
Ground Clearance 335 mm
Swing System
Boom Swing - Left 72 Degrees
Machine Swing Speed 9 r/min
Boom Swing - Right 50 Degrees
Dimensions - Standard Stick
Maximum Dig Height 5215 mm
Maximum Blade Height 385 mm
Dig Depth 3420 mm
Boom Swing - Right 865 mm
Maximum Reach - Ground Level 5590 mm
Tail Swing without Counterweight 1095 mm
Boom Height - Shipping Position 1820 mm
Maximum Blade Depth 595 mm
Maximum Reach 5755 mm
Boom Swing - Left 615 mm
Overall Shipping Length* 5305 mm
O/A Undercarriage Length 2580 mm
Swing Bearing - Height 619 mm
Stick Length 1351 mm
Track Belt/Shoe Width 400 mm
Boom In Reach 2570 mm
Vertical Wall 2335 mm
Tail Swing with Counterweight 1200 mm
Maximum Dump Clearance 3700 mm
O/A Shipping Height 2550 mm
Note *Overall Shipping Length depends on blade position during shipment.
Ground Clearance 335 mm
Service Refill Capacities
Hydraulic Tank 60 l
Fuel Tank 63 l
Engine Oil 6 l
Hydraulic System 75 l
Cooling System 11 l
Travel System
Ground Pressure - Minimum Weight 27.3 kPa
Maximum Traction Force - Low Speed 50.5 kN
Ground Pressure - Maximum Weight 32.2 kPa
Travel Speed - Low 2.8 km/h
Maximum Traction Force - High Speed 24.7 kN
Travel Speed - High 5 km/h
Gradeability - Maximum 30 degrees
Blade
Angle Blade Width 1980 mm
Straight Blade Height 390 mm
Straight Blade Width 1980 mm
Angle Blade Height 400 mm
Angle Blade - Left 25 degrees
Angle Blade - Right 25 degrees
Sound
Average Exterior Sound Pressure (ISO 6395:2008) 99 dB(A)
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.
Operator Sound Pressure (ISO 6396:2008) 72 dB(A)
Hydraulic System
Auxiliary Circuit - Secondary - Pressure 265 bar
Pump Flow at 2,400 rpm 133 l/min
Operating Pressure - Swing 200 bar
Operating Pressure - Travel 265 bar
Auxiliary Circuit - Secondary - Flow 28 l/min
Digging Force - Stick - Standard 28.3 kN
Auxiliary Circuit - Primary - Pressure 265 bar
Auxiliary Circuit - Primary - Flow 80 l/min
Digging Force - Bucket 49.2 kN
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
Digging Force - Stick - Long 25.2 kN
Certification - Cab and Canopy
Top Guard ISO 10262:1998 Level I
Roll Over Protective Structure (ROPS) ISO 12117-2:2008
Tip Over Protective Structure (TOPS) ISO 12117:1997
Weight Increase from Minimum Configuration
Counterweight 242 kg
Long Stick 34 kg
Steel Tracks with Pads 375 kg
Angle Blade 102 kg
Sustainability
Recyclability 96%

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Operating Weight 1620 kg
Standard Bucket Capacity 0.04 m³
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Net Power 33.6 kW
Operating Weight 5754 kg
Dig Depth 3670 mm
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Net Power 20.2 kW
Operating Weight 2990 kg
Bucket Capacity 0.09 m³
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Net Power 17.6 kW
Engine Model C1.1 Turbo
Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC 17.6 kW
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Note The 309 CR VAB specifications are based on a machine configured with a Long (L) Undercarriage. For specifications representing a 309 CR VAB with a Standard Undercarriage, please refer to the 308 CR information.
Net Power 51.8 kW
Displacement 3.33 l
Stroke 120 mm
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Bore 87 mm
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