303.5E2 CR

Heavy Equipment

303.5E2 CR

Net Power
23.5 HP / 17.5 kW
Operating Weight
8209 lb / 3723 kg
Operating Weight - With Cab
8209 lb / 3723 kg

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.

Engine
Engine Model Cat® C1.7
Net Power 23.5 HP / 17.5 kW
Gross Power 24.8 HP / 18.5 kW
Bore 3.4 in / 87 mm
Displacement 104 in³ / 1.7 l
Stroke 3.6 in / 92.4 mm
Net Power - ISO 9249 23.5 HP / 17.5 kW
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 / 17.5 kW
Weights
Operating Weight 8209 lb / 3723 kg
Operating Weight - With Cab 8209 lb / 3723 kg
Note Weight includes rubber tracks, bucket, operator, full fuel and auxiliary lines.
Operating Weight - With Canopy 7803 lb / 3539 kg
Travel System
Maximum Traction Force - High Speed 3822 lbf / 17 kN
Maximum Traction Force - Low Speed 6992 lbf / 31.1 kN
Travel Speed - High 2.9 mile/h / 4.6 km/h
Travel Speed - Low 2 mile/h / 3.2 km/h
Ground Pressure 4.6 psi / 31.7 kPa
Hydraulic System
Auxiliary Circuit - Primary 18.5 gal/min / 70 l/min
Auxiliary Circuit - Secondary 6.6 gal/min / 25 l/min
Digging Force - Stick - Long 3799 lbf / 16.9 kN
Digging Force - Stick - Standard 4249 lbf / 18.9 kN
Operating Pressure - Equipment 3553 psi / 245 bar
Operating Pressure - Swing 3132 psi / 216 bar
Operating Pressure - Travel 3553 psi / 245 bar
Pump Flow 26.4 gal/min / 100 l/min
Digging Force - Bucket 7419 lbf / 33 kN
Note Load sensing hydraulics with variable displacement piston pump.
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 / 1780 mm
Height 13 in / 325 mm
Dig Depth 19 in / 470 mm
Lift Height 16 in / 400 mm
Service Refill Capacities
Cooling System 1.5 gal (US) / 5.5 l
Engine Oil 1.8 gal (US) / 7 l
Hydraulic Tank 11.2 gal (US) / 42.3 l
Fuel Tank 12.2 gal (US) / 46 l
Hydraulic System 17.2 gal (US) / 65 l
Operating Specifications
Maximum Dig Depth 125 in / 3180 mm

Standard Equipment

  • Stick
    • – Long stick (optional in Europe)

Optional Equipment

  • Stick
    • – Standard stick (Europe only)
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