303E CR Mini Hydraulic Excavator

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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Engine

Net Power 23.5HP
Engine Model Cat C1.3
Gross Power 24.8HP
Note Cat C1.3 engine meets U.S. EPA Tier 4 Final/EU Stage V emission standards.
Stroke 3.5in
Bore 3.1in
Displacement 77in³
Gross Power - ISO 14396 24.8HP
Rated Net Power - 2,400 rpm - ISO 9249/EEC 80/1269 23.5HP

Weights

Operating Weight - With Cab 7204lb
Note Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.
Operating Weight - With Canopy 6721lb

Dimensions (Approximate) - Long Stick

Dig Depth 117in
Maximum Reach 198in
Track Belt/Shoe Width 12in
Overall Undercarriage Length 82in
Overall Shipping Height 98in
Maximum Reach - Ground Level 193in
Tail Swing 31in
Vertical Wall 69in
Boom In Reach 79in
Maximum Dig Height 167in
Boom Swing Right 32in
Maximum Blade Depth 19in
Tail Swing with Extra Counterweight 35in
Maximum Blade Height 16in
Overall Track Width 61in
Swing Bearing Height 22in
Boom Height in Shipping Position 63in
Boom Swing Left 24in
Maximum Dump Clearance 117in
Overall Shipping Length 198in

Swing System

Machine Swing Speed 9r/min
Boom Swing - Left* 80°
Boom Swing - Right 50°
Note *Automatic swing brake, spring applied, hydraulic release.

Blade

Width 60in
Height 13in
Dig Depth 19in
Lift Height 16in

Travel System

Maximum Traction Force - Low Speed 6947lbf
Travel Speed - High 2.8mile/h
Travel Speed - Low 1.5mile/h
Maximum Traction Force - High Speed 3417lbf
Ground Pressure - Cab Standard Stick 4.7psi
Ground Pressure - Cab Long Stick 4.8psi
Ground Pressure with Canopy - Long Stick, Optional Counterweight 4.9psi
Ground Pressure - Canopy Standard Stick 4.4psi
Gradeability - Continuous Operation 20°
Ground Pressure - Canopy Long Stick 4.5psi
Ground Pressure with Canopy - Standard Stick, Optional Counterweight 4.8psi
Gradeability (< 10 minutes Operation) 30°
Ground Pressure with Cab - Standard Stick, Optional Counterweight 5.1psi
Ground Pressure with Cab - Long Stick, Optional Counterweight 5.2psi

Hydraulic System

Operating Pressure - Swing 2625psi
Digging Force - Bucket 6385lbf
Operating Pressure - Travel 3553psi
Digging Force - Stick - Standard 3732lbf
Operating Pressure - Equipment 3553psi
Type Load Sensing Hydraulics with Variable Displacement Piston Pump
Pump Flow at 2,400 rpm 23.1gal/min
Auxiliary Circuit - Secondary (174 bar/2,523 psi) 7.1gal/min
Digging Force - Stick - Long 3327lbf
Auxiliary Circuit - Primary (186 bar/2,697 psi) 15.9gal/min

Service Refill Capacities

Engine Oil 1.5gal (US)
Fuel Tank 11.9gal (US)
Hydraulic Tank 12.4gal (US)
Cooling System 1.2gal (US)
Hydraulic System 17.2gal (US)

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

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

Blade Down - Side 1191lb
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. Liftin
Blade Down - Front 2580lb
Blade Up - Side 1080lb
Blade Up - Front 1433lb

Operating Specifications

Machine Overhang with Counterweight 5in
Machine Overhang 0in
Stick Length - Long 61in
Stick Length - Standard 50in

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

Blade Up - Side 662lb
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. Liftin
Blade Down - Front 1632lb
Blade Down - Side 750lb
Blade Up - Front 904lb

Dimensions (Approximate) - Standard Stick

Tail Swing 31in
Maximum Dump Clearance 124in
Track Belt/Shoe Width 12in
Overall Track Width 60in
Maximum Dig Height 178in
Dig Depth 108in
Overall Undercarriage Length 82in
Boom Swing Left 24in
Boom Swing Right 32in
Tail Swing with Extra Counterweight 35in
Maximum Blade Height 16in
Maximum Blade Depth 19in
Boom Height in Shipping Position 63in
Swing Bearing Height 22in
Maximum Reach 195in
Overall Shipping Height 98in
Vertical Wall 77in
Overall Shipping Length 176in
Maximum Reach - Ground Level 189in
Boom In Reach 83in

Weights*

Operating Weight with Canopy - Long Stick, Optional Counterweight 7400lb
Operating Weight with Canopy - Long Stick 6813lb
Operating Weight with Cab - Standard Stick 7204lb
Operating Weight with Canopy - Standard Stick 6721lb
Operating Weight with Cab - Standard Stick, Optional Counterweight 7790lb
Operating Weight with Cab - Long Stick 7296lb
Note *Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.
Operating Weight with Canopy - Standard Stick, Optional Counterweight 7307lb
Operating Weight with Cab - Long Stick, Optional Counterweight 7883lb

Standard Equipment

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

Optional Equipment

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