303.5E2 CR

The Cat E2 Series Mini Hydraulic Excavators are designed to carry on the solid performance of their E Series predecessors, while adding even greater value for the customer. The new High Definition Hydraulic (HDH) System, redesigned operator station and enhanced digital control panel specially designed for Cat Mini Excavators – COMPASS (Complete, Operation, Maintenance, Performance And Security System) – are all standard features that improve performance and increase value.


SPECIFICATIONS
Engine
Engine Model Cat® C1.7
Net Power 23.5 HP
Gross Power 24.8 HP


Weights
Operating Weight 8209 lb
Operating Weight - With Cab 8209 lb


Engine
Bore 3.4 in
Displacement 104 in³
Stroke 3.6 in


Travel System
Maximum Traction Force - High Speed 3822 lbf
Maximum Traction Force - Low Speed 6992 lbf
Travel Speed - High 2.9 mile/h
Travel Speed - Low 2 mile/h


Hydraulic System
Auxiliary Circuit - Primary 18.5 gal/min
Auxiliary Circuit - Secondary 6.6 gal/min
Digging Force - Stick - Long 3799 lbf
Digging Force - Stick - Standard 4249 lbf
Operating Pressure - Equipment 3553 psi
Operating Pressure - Swing 3132 psi
Operating Pressure - Travel 3553 psi
Pump Flow 26.4 gal/min


Swing System
Machine Swing Speed 10 r/min
Boom Swing - Left - With Stop 55°
Boom Swing - Left - Without Stop 80°
Swing - Right 50°


Blade
Width 70 in
Height 13 in
Dig Depth 19 in
Lift Height 16 in


Service Refill Capacities
Cooling System 1.5 gal (US)
Engine Oil 1.8 gal (US)
Hydraulic Tank 11.2 gal (US)
Fuel Tank 12.2 gal (US)
Hydraulic System 17.2 gal (US)


Travel System
Ground Pressure 4.6 psi


Engine
Net Power - ISO 9249 23.5 HP
Note Cat C1.7 engine meets U.S. EPA Tier 4 Final/EU Stage IIIB emission standards.
Rated Net Power - ISO 9249 23.5 HP


Hydraulic System
Digging Force - Bucket 7419 lbf
Note Load sensing hydraulics with variable displacement piston pump.


Operating Specifications
Maximum Dig Depth 125 in


Weights
Note Weight includes rubber tracks, bucket, operator, full fuel and auxiliary lines.
Operating Weight - With Canopy 7803 lb


BENEFITS & FEATURES
Operator Station



Operation and Hydraulic Control



Engine



COMPASS Control Panel



Compact Radius Design



Undercarriage



Dozer Blade



Coupler and Work Tool Options



Serviceability and Support



EQUIPMENT
Standard Equipment

Stick
  • – Long stick (optional in Europe)

Optional Equipment

Stick
  • – Standard stick (Europe only)

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