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303E CR

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Overview

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.

Engine

  • Engine Model Cat C1.3 Cat C1.3
  • Net Power 23.5 HP 17.5 kW
  • Gross Power 24.8 HP 18.5 kW
  • Gross Power - ISO 14396 24.8 HP 18.5 kW
  • Bore 3.1 in 78.0 mm
  • Displacement 77.0 in³ 1.3 l
  • Stroke 3.5 in 88.0 mm
  • Rated Net Power - 2,400 rpm - ISO 9249/EEC 80/1269 23.5 HP 17.5 kW

Weights

  • Operating Weight - With Cab 7204.0 lb 3267.0 kg
  • Operating Weight - With Canopy 6721.0 lb 3048.0 kg
  • Note Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines. Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.

Swing System

  • Machine Swing Speed 9.0 r/min 9.0 r/min
  • Boom Swing - Left* 80° 80°
  • Boom Swing - Right 50° 50°
  • Note *Automatic swing brake, spring applied, hydraulic release. *Automatic swing brake, spring applied, hydraulic release.

Blade

  • Width 60.0 in 1550.0 mm
  • Height 13.0 in 335.0 mm
  • Dig Depth 19.0 in 472.0 mm
  • Lift Height 16.0 in 402.0 mm

Service Refill Capacities

  • Cooling System 1.2 gal (US) 4.7 l
  • Engine Oil 1.5 gal (US) 5.7 l
  • Fuel Tank 11.9 gal (US) 45.0 l
  • Hydraulic System 17.2 gal (US) 65.0 l
  • Hydraulic Tank 12.4 gal (US) 47.0 l

Dimensions (Approximate) - Long Stick

  • Boom Height in Shipping Position 63.0 in 1600.0 mm
  • Boom Swing Left 24.0 in 610.0 mm
  • Boom Swing Right 32.0 in 825.0 mm
  • Dig Depth 117.0 in 2980.0 mm
  • Maximum Blade Depth 19.0 in 470.0 mm
  • Maximum Blade Height 16.0 in 400.0 mm
  • Maximum Dig Height 167.0 in 4250.0 mm
  • Maximum Dump Clearance 117.0 in 2970.0 mm
  • Maximum Reach 198.0 in 5040.0 mm
  • Maximum Reach - Ground Level 193.0 in 4910.0 mm
  • Overall Shipping Height 98.0 in 2500.0 mm
  • Overall Shipping Length 198.0 in 5030.0 mm
  • Overall Track Width 61.0 in 1550.0 mm
  • Overall Undercarriage Length 82.0 in 2080.0 mm
  • Swing Bearing Height 22.0 in 565.0 mm
  • Tail Swing 31.0 in 775.0 mm
  • Tail Swing with Extra Counterweight 35.0 in 890.0 mm
  • Track Belt/Shoe Width 12.0 in 300.0 mm
  • Vertical Wall 69.0 in 1750.0 mm

Travel System

  • Gradeability (< 10 minutes Operation) 30° 30°
  • Gradeability - Continuous Operation 20° 20°
  • Ground Pressure - Cab Long Stick 4.8 psi 33.0 kPa
  • Ground Pressure - Cab Standard Stick 4.7 psi 32.6 kPa
  • Ground Pressure - Canopy Long Stick 4.5 psi 30.8 kPa
  • Ground Pressure - Canopy Standard Stick 4.4 psi 30.4 kPa
  • Ground Pressure with Cab - Long Stick, Optional Counterweight 5.2 psi 35.6 kPa
  • Ground Pressure with Cab - Standard Stick, Optional Counterweight 5.1 psi 35.2 kPa
  • Ground Pressure with Canopy - Long Stick, Optional Counterweight 4.9 psi 33.5 kPa
  • Ground Pressure with Canopy - Standard Stick, Optional Counterweight 4.8 psi 33.0 kPa
  • Maximum Traction Force - High Speed 3417.0 15.2 kN
  • Maximum Traction Force - Low Speed 6947.0 30.9 kN
  • Travel Speed - High 2.8 mile/h 4.5 km/h
  • Travel Speed - Low 1.5 mile/h 2.4 km/h

Dimensions (Approximate) - Standard Stick

  • Boom Height in Shipping Position 63.0 in 1590.0 mm
  • Boom In Reach 83.0 in 2110.0 mm
  • Boom Swing Left 24.0 in 610.0 mm
  • Boom Swing Right 32.0 in 825.0 mm
  • Dig Depth 108.0 in 2750.0 mm
  • Maximum Blade Depth 19.0 in 472.0 mm
  • Maximum Blade Height 16.0 in 402.0 mm
  • Maximum Dig Height 178.0 in 4530.0 mm
  • Maximum Dump Clearance 124.0 in 3150.0 mm
  • Maximum Reach 195.0 in 4950.0 mm
  • Maximum Reach - Ground Level 189.0 in 4810.0 mm
  • Overall Shipping Height 98.0 in 2500.0 mm
  • Overall Shipping Length 176.0 in 4470.0 mm
  • Overall Track Width 60.0 in 1550.0 mm
  • Overall Undercarriage Length 82.0 in 2080.0 mm
  • Swing Bearing Height 22.0 in 565.0 mm
  • Tail Swing 31.0 in 775.0 mm
  • Tail Swing with Extra Counterweight 35.0 in 890.0 mm
  • Track Belt/Shoe Width 12.0 in 300.0 mm
  • Vertical Wall 77.0 in 1960.0 mm

Hydraulic System

  • Auxiliary Circuit - Primary (186 bar/2,697 psi) 15.9 gal/min 60.0 l/min
  • Auxiliary Circuit - Secondary (174 bar/2,523 psi) 7.1 gal/min 27.0 l/min
  • Digging Force - Stick - Long 3327.0 14.8 kN
  • Digging Force - Bucket 6385.0 28.4 kN
  • Digging Force - Stick - Standard 3732.0 16.6 kN
  • Operating Pressure - Equipment 3553.0 psi 245.0 bar
  • Operating Pressure - Swing 2625.0 psi 181.0 bar
  • Operating Pressure - Travel 3553.0 psi 245.0 bar
  • Pump Flow at 2,400 rpm 23.1 gal/min 88.0 l/min
  • Type Load Sensing Hydraulics with Variable Displacement Piston Pump Load Sensing Hydraulics with Variable Displacement Piston Pump

Lift Capacities at Ground Level* - Lift Point Radius: 3000 mm (9'8")

  • Blade Down - Front 2580.0 lb 1170.0 kg
  • Blade Down - Side 1191.0 lb 540.0 kg
  • Blade Up - Front 1433.0 lb 650.0 kg
  • Blade Up - Side 1080.0 lb 490.0 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. *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.

Lift Capacities at Ground Level* - Lift Point Radius: 4000 mm (13'1")

  • Blade Down - Front 1632.0 lb 740.0 kg
  • Blade Down - Side 750.0 lb 340.0 kg
  • Blade Up - Front 904.0 lb 410.0 kg
  • Blade Up - Side 662.0 lb 300.0 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. *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 0.0 in 0.0 mm
  • Machine Overhang with Counterweight 5.0 in 115.0 mm
  • Stick Length - Long 61.0 in 1560.0 mm
  • Stick Length - Standard 50.0 in 1260.0 mm

Weights*

  • Note *Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines. *Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.
  • Operating Weight with Cab - Long Stick 7296.0 lb 3309.0 kg
  • Operating Weight with Cab - Long Stick, Optional Counterweight 7883.0 lb 3575.0 kg
  • Operating Weight with Cab - Standard Stick 7204.0 lb 3267.0 kg
  • Operating Weight with Cab - Standard Stick, Optional Counterweight 7790.0 lb 3533.0 kg
  • Operating Weight with Canopy - Long Stick 6813.0 lb 3090.0 kg
  • Operating Weight with Canopy - Long Stick, Optional Counterweight 7400.0 lb 3356.0 kg
  • Operating Weight with Canopy - Standard Stick 6721.0 lb 3048.0 kg
  • Operating Weight with Canopy - Standard Stick, Optional Counterweight 7307.0 lb 3314.0 kg

Certification - Cab and Canopy

  • Roll Over Protective Structure (ROPS) ISO 12117-2:2008 ISO 12117-2:2008
  • Tip Over Protective Structure (TOPS) ISO 12117:1997 ISO 12117:1997
  • Top Guard ISO 10262:1998 (Level I) ISO 10262:1998 (Level I)

Undercarriage

  • Number of Carrier Rollers 1 1
  • Number of Track Rollers 4 4
  • Track Roller Type Center Flange Center Flange

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

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Productivity and Durability – Designed for reliability.

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Superior Operating Experience – Safety and comfort all day.

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Simple Service and Maintenance Access – Low cost of ownership.

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

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303E CR Standard Equipment

STANDARD EQUIPMENT

  • 1-way and 2-way (combined function) auxiliary hydraulic lines
  • Adjustable armrests
  • Alternator
  • Automatic swing park brake
  • Automatic two speed travel
  • Auxiliary line quick disconnects
  • Boom cylinder guard
  • Cab mounted work light
  • Canopy with Top Guard ISO 10262:1998 (Level 1), ROPS ISO 12117-2:2008 and TOPS ISO 12117:1997
  • Coat hook
  • Cup holder
  • Control pattern changer
  • Dozer blade with float function
  • Foot travel pedals
  • Gauges or indicators for fuel level engine coolant temperature, hour meter, engine oil pressure, air cleaner, alternator and glow plugs, service interval
  • Horn
  • Hydraulic oil cooler
  • Lifting eye on bucket linkage (standard equipment for all regions except Europe)
  • Lockable storage box
  • Low maintenance linkage pin joints
  • Maintenance free battery
  • Product Link™
  • Rubber track
  • Retractable seatbelt
  • Standard stick
  • Suspension seat, vinyl covered
  • “Thumb ready” sticks
  • Travel alarm (optional in Europe)

303E CR Optional Equipment

OPTIONAL EQUIPMENT

  • Beacon socket for canopy machines
  • Boom mounted light
  • Cab, Top Guard ISO 10262:1998 (Level 1), ROPS ISO 12117-2:2008 and TOPS ISO 12117:1997
  • High back suspension seat, fabric covered
  • Mechanical quick coupler
  • Mirrors for cab and canopy
  • Steel track

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