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303E CR

Mini Excavators

The Cat® 303E CR Mini Hydraulic Excavator delivers high performance, durability and versatility in a compact design to help you work in a variety of applications.

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Net Power 17.5 kW
Engine Model Cat C1.3
Gross Power - ISO 14396 18.5 kW
Note Cat C1.3 engine meets U.S. EPA Tier 4 Final/EU Stage V emission standards.
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303E CR
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OVERVIEW

Big Performance in a Mini Excavator

FEATURES & BENEFITS

Solid Performance in a Small Package – Compact and efficient design provides superior power.

Compact RadiusThe 303E allows you to easily reposition within a confined space and increase your overall productivity. Proficient movement is enhanced as a result of the... Read more

Productivity and Durability – Designed for reliability.

Auxiliary HydraulicsThe 303E is ready to work. Hammer and two way lines with quick disconnect fittings are standard on every machine.The quick disconnects are located clo... Read more

Superior Operating Experience – Safety and comfort all day.

Spacious and Ergonomic Working EnvironmentYour safety and comfort is incorporated into the design of every Cat® machine.The adjustable suspension seat, retractable seat b... Read more

Simple Service and Maintenance Access – Low cost of ownership.

Easy Maintenance Access and Extended Service IntervalsEase of access to daily maintenance check points ensures your machine is in prime condition to complete any task.Eng... Read more

Unmatched Support and Solutions – Equipment, service and attachments to meet your needs.

Customized Solutions for Any ApplicationA range of tools is available to take advantage of the machine’s versatility. All tools are matched to the machine to optimize per... Read more

SPECIFICATIONS FOR 303E CR

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Engine
Net Power 17.5 kW
Engine Model Cat C1.3
Gross Power - ISO 14396 18.5 kW
Note Cat C1.3 engine meets U.S. EPA Tier 4 Final/EU Stage V emission standards.
Stroke 88 mm
Bore 78 mm
Displacement 1.3 l
Gross Power 18.5 kW
Rated Net Power - 2,400 rpm - ISO 9249/EEC 80/1269 17.5 kW
Weights
Operating Weight - With Cab 3267 kg
Operating Weight - With Canopy 3048 kg
Note Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.
Travel System
Maximum Traction Force - Low Speed 30.9 kN
Travel Speed - High 4.5 km/h
Travel Speed - Low 2.4 km/h
Maximum Traction Force - High Speed 15.2 kN
Ground Pressure - Cab Standard Stick 32.6 kPa
Ground Pressure - Cab Long Stick 33 kPa
Ground Pressure with Canopy - Long Stick, Optional Counterweight 33.5 kPa
Ground Pressure - Canopy Standard Stick 30.4 kPa
Gradeability - Continuous Operation 20°
Ground Pressure - Canopy Long Stick 30.8 kPa
Ground Pressure with Canopy - Standard Stick, Optional Counterweight 33 kPa
Ground Pressure with Cab - Standard Stick, Optional Counterweight 35.2 kPa
Gradeability (< 10 minutes Operation) 30°
Ground Pressure with Cab - Long Stick, Optional Counterweight 35.6 kPa
Hydraulic System
Operating Pressure - Swing 181 bar
Digging Force - Bucket 28.4 kN
Pump Flow at 2,400 rpm 88 l/min
Operating Pressure - Travel 245 bar
Digging Force - Stick - Standard 16.6 kN
Operating Pressure - Equipment 245 bar
Type Load Sensing Hydraulics with Variable Displacement Piston Pump
Auxiliary Circuit - Secondary (174 bar/2,523 psi) 27 l/min
Digging Force - Stick - Long 14.8 kN
Auxiliary Circuit - Primary (186 bar/2,697 psi) 60 l/min
Swing System
Machine Swing Speed 9 r/min
Boom Swing - Left* 80°
Boom Swing - Right 50°
Note *Automatic swing brake, spring applied, hydraulic release.
Blade
Width 1550 mm
Height 335 mm
Dig Depth 472 mm
Lift Height 402 mm
Service Refill Capacities
Engine Oil 5.7 l
Fuel Tank 45 l
Hydraulic Tank 47 l
Cooling System 4.7 l
Hydraulic System 65 l
Undercarriage
Number of Carrier Rollers 1
Track Roller Type Center Flange
Number of Track Rollers 4
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
Dimensions (Approximate) - Long Stick
Dig Depth 2980 mm
Maximum Reach 5040 mm
Track Belt/Shoe Width 300 mm
Overall Undercarriage Length 2080 mm
Overall Shipping Height 2500 mm
Maximum Reach - Ground Level 4910 mm
Tail Swing 775 mm
Vertical Wall 1750 mm
Boom In Reach 2000 mm
Maximum Dig Height 4250 mm
Boom Swing Right 825 mm
Maximum Blade Depth 470 mm
Tail Swing with Extra Counterweight 890 mm
Maximum Blade Height 400 mm
Overall Track Width 1550 mm
Swing Bearing Height 565 mm
Boom Height in Shipping Position 1600 mm
Boom Swing Left 610 mm
Maximum Dump Clearance 2970 mm
Overall Shipping Length 5030 mm
Lift Capacities at Ground Level* - Lift Point Radius: 3000 mm (9'8")
Blade Down - Side 540 kg
Blade Down - Front 1170 kg
Blade Up - Side 490 kg
Blade Up - Front 650 kg
Note *The above loads are in compliance with hydraulic excavator lift capacity rating standard ISO 10567:2007 and they do not exceed 87% of hydraulic lifting capacity or 75% of tipping capacity. The excavator bucket weight is not included on this chart. Lifting capacities are for machine with cab, optional counterweight and standard stick.
Operating Specifications
Machine Overhang with Counterweight 115 mm
Machine Overhang mm
Stick Length - Long 1560 mm
Stick Length - Standard 1260 mm
Lift Capacities at Ground Level* - Lift Point Radius: 4000 mm (13'1")
Blade Up - Side 300 kg
Blade Down - Front 740 kg
Note *The above loads are in compliance with hydraulic excavator lift capacity rating standard ISO 10567:2007 and they do not exceed 87% of hydraulic lifting capacity or 75% of tipping capacity. The excavator bucket weight is not included on this chart. Lifting capacities are for machine with cab, optional counterweight and standard stick.
Blade Down - Side 340 kg
Blade Up - Front 410 kg
Dimensions (Approximate) - Standard Stick
Tail Swing 775 mm
Maximum Dump Clearance 3150 mm
Track Belt/Shoe Width 300 mm
Overall Track Width 1550 mm
Maximum Dig Height 4530 mm
Dig Depth 2750 mm
Overall Undercarriage Length 2080 mm
Boom Swing Left 610 mm
Boom Swing Right 825 mm
Tail Swing with Extra Counterweight 890 mm
Maximum Blade Height 402 mm
Maximum Blade Depth 472 mm
Boom Height in Shipping Position 1590 mm
Swing Bearing Height 565 mm
Maximum Reach 4950 mm
Overall Shipping Height 2500 mm
Vertical Wall 1960 mm
Overall Shipping Length 4470 mm
Maximum Reach - Ground Level 4810 mm
Boom In Reach 2110 mm
Weights*
Operating Weight with Canopy - Long Stick, Optional Counterweight 3356 kg
Operating Weight with Canopy - Long Stick 3090 kg
Operating Weight with Cab - Standard Stick 3267 kg
Operating Weight with Canopy - Standard Stick 3048 kg
Operating Weight with Cab - Standard Stick, Optional Counterweight 3533 kg
Operating Weight with Cab - Long Stick 3309 kg
Note *Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.
Operating Weight with Canopy - Standard Stick, Optional Counterweight 3314 kg
Operating Weight with Cab - Long Stick, Optional Counterweight 3575 kg

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Displacement 3.33 l
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