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

Units:
Engine Model Cat C1.3 Cat C1.3 Less
Net Power 23.5 HP 17.5 kW Less
Gross Power 24.8 HP 18.5 kW Less
Gross Power - ISO 14396 24.8 HP 18.5 kW Less
Bore 3.1 in 78.0 mm Less
Displacement 77.0 in³ 1.26 l Less
Stroke 3.5 in 88.0 mm Less
Rated Net Power - 2,400 rpm - ISO 9249/EEC 80/1269 23.5 HP 17.5 kW Less

Weights

Operating Weight - With Cab 7782.0 lb 3530.0 kg Less
Operating Weight - With Canopy 7297.0 lb 3310.0 kg Less
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. Less

Travel System

Ground Pressure 4.6 psi 32.2 kPa Less
Maximum Traction Force - High Speed 3417.0 lb 15.2 kN Less
Maximum Traction Force - Low Speed 6946.0 lb 30.9 kN Less
Travel Speed - High 2.8 mile/h 4.5 km/h Less
Travel Speed - Low 1.5 mile/h 2.4 km/h Less
Gradeability - Maximum 30° 30° Less

Hydraulic System

Auxiliary Circuit - Primary (186 bar/2,734 psi) 15.9 gal/min 60.0 l/min Less
Auxiliary Circuit - Secondary (174 bar/2,524 psi) 7.1 gal/min 27.0 l/min Less
Digging Force - Bucket 6384.0 lb 28.4 kN Less
Digging Force - Stick - Standard 3731.0 lb 16.6 kN Less
Operating Pressure - Equipment 3553.0 psi 245.0 bar Less
Operating Pressure - Swing 2625.0 psi 181.0 bar Less
Operating Pressure - Travel 3553.0 psi 245.0 bar Less
Pump Flow at 2,400 rpm 23.1 gal/min 87.6 l/min Less
Type Load Sensing Hydraulics with Variable Displacement Piston Pump Load Sensing Hydraulics with Variable Displacement Piston Pump Less

Swing System

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

Blade

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

Service Refill Capacities

Cooling System 1.2 gal (US) 4.7 l Less
Engine Oil 1.5 gal (US) 5.7 l Less
Fuel Tank 11.8 gal (US) 45.0 l Less
Hydraulic System 17.2 gal (US) 65.0 l Less
Hydraulic Tank 12.4 gal (US) 47.0 l Less

Certification - Cab and Canopy

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

Dimensions (Approximate)

Boom Height - Shipping Position 63.0 in 1590.0 mm Less
Boom In Reach 83.0 in 2110.0 mm Less
Boom Swing - Left 24.0 in 610.0 mm Less
Boom Swing - Right 32.0 in 825.0 mm Less
Dig Depth 108.0 in 2750.0 mm Less
Maximum Blade Depth 19.0 in 472.0 mm Less
Maximum Blade Height 16.0 in 402.0 mm Less
Maximum Dig Height 178.0 in 4530.0 mm Less
Maximum Dump Clearance 124.0 in 3150.0 mm Less
Maximum Reach 195.0 in 4950.0 mm Less
Maximum Reach - Ground Level 189.0 in 4810.0 mm Less
O/A Shipping Height 98.0 in 2500.0 mm Less
O/A Shipping Length 176.0 in 4470.0 mm Less
O/A Track Width 60.0 in 1550.0 mm Less
O/A Undercarriage Length 87.0 in 2210.0 mm Less
Swing Bearing - Height 22.0 in 565.0 mm Less
Tail Swing 35.0 in 890.0 mm Less
Track Belt/Shoe Width 12.0 in 300.0 mm Less
Vertical Wall 77.0 in 1960.0 mm Less

Undercarriage

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

Solid Performance in a Small Package

Productivity and Durability

Superior Operating Experience

Simple Service and Maintenance Access

Unmatched Support and Solutions

Mini Excavator Attachment Options

Cat Mini Excavator attachment options let you get more out of your machines. Browse our attachment offerings to find the ones that are right for your business.

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