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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 1.26 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 7782.0 lb 3530.0 kg
  • Operating Weight - With Canopy 7297.0 lb 3310.0 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.

Travel System

  • Ground Pressure 4.6 psi 32.2 kPa
  • Maximum Traction Force - High Speed 3417.0 lb 15.2 kN
  • Maximum Traction Force - Low Speed 6946.0 lb 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
  • Gradeability - Maximum 30° 30°

Hydraulic System

  • Auxiliary Circuit - Primary (186 bar/2,734 psi) 15.9 gal/min 60.0 l/min
  • Auxiliary Circuit - Secondary (174 bar/2,524 psi) 7.1 gal/min 27.0 l/min
  • Digging Force - Bucket 6384.0 lb 28.4 kN
  • Digging Force - Stick - Standard 3731.0 lb 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 87.6 l/min
  • Type Load Sensing Hydraulics with Variable Displacement Piston Pump Load Sensing Hydraulics with Variable Displacement Piston Pump

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 11.8 gal (US) 45.0 l
  • Hydraulic System 17.2 gal (US) 65.0 l
  • Hydraulic Tank 12.4 gal (US) 47.0 l

Certification - Cab and Canopy

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

Dimensions (Approximate)

  • Boom Height - 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
  • O/A Shipping Height 98.0 in 2500.0 mm
  • O/A Shipping Length 176.0 in 4470.0 mm
  • O/A Track Width 60.0 in 1550.0 mm
  • O/A Undercarriage Length 87.0 in 2210.0 mm
  • Swing Bearing - Height 22.0 in 565.0 mm
  • Tail Swing 35.0 in 890.0 mm
  • Track Belt/Shoe Width 12.0 in 300.0 mm
  • Vertical Wall 77.0 in 1960.0 mm

Undercarriage

  • Number of Carrier Rollers 3 3
  • Number of Track Rollers 3 3
  • Track Roller Type Double Flange Double Flange

Solid Performance in a Small Package

Productivity and Durability

Superior Operating Experience

Simple Service and Maintenance Access

Unmatched Support and Solutions

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