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CAT 303E CR Mini Hydraulic Excavator

CAT 303E CR Mini Hydraulic Excavator

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Details

Engine

Engine Model Cat C1.3
Rated Net Power @ 2,400 rpm ISO 9249/EEC 80/1269 17.5 kW / 23.5 hp
Gross Power ISO 14396 18.5 kW / 24.8 hp
Bore 78 mm / 3.1 in
Stroke 88 mm / 3.5 in
Displacement 1.26 L / 77 in3


Weights*

Operating Weight with Canopy 3310 kg / 7,297 lb
Operating Weight with Cab 3530 kg / 7,782 lb

*Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.


Travel System

Travel Speed - High 4.5 km/h / 2.8 mph
Travel Speed - Low 2.4 km/h / 1.5 mph
Max Traction Force - High Speed 15.2 kN / 3,417 lb
Max Traction Force - Low Speed 30.9 kN / 6,946 lb
Ground Pressure 32.2 kPa / 4.6 psi
Gradeability (maximum) 30°


Service Refill Capacities

Cooling System 4.7 L / 1.2 gal
Engine Oil 5.7 L / 1.5 gal
Fuel Tank 45 L / 11.8 gal
Hydraulic Tank 47 L / 12.4 gal
Hydraulic System 65 L / 17.2 gal


Hydraulic System

Load Sensing Hydraulics with Variable Displacement Piston Pump
Pump Flow at 2,400 rpm 87.6 L/min / 23.1 gal/min
Operating Pressure - Equipment 245 bar / 3,553 psi
Operating Pressure - Travel 245 bar / 3,553 psi
Operating Pressure - Swing 181 bar / 2,625 psi
Auxiliary Circuit - Primary (186 bar/2,734 psi) 60 L/min / 15.9 gal/min
Auxiliary Circuit - Secondary (174 bar/2,524 psi) 27 L/min / 7.1 gal/min
Digging Force - Stick (standard) 16.6 kN / 3,731 lb
Digging Force - Bucket 28.4 kN / 6,384 lb


Swing System

Machine Swing Speed 9 rpm
Boom Swing - Left* 80°
Boom Swing - Right 50°

*Automatic swing brake, spring applied, hydraulic release.


Blade

Width 1550 mm / 60 in
Height 335 mm / 13 in
Dig Depth 472 mm / 19 in
Lift Height 402 mm / 16 in


Undercarriage

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


Certification - Cab and Canopy

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


Lift Capacities at Ground Level*

Lift Point Radius 3000 mm (9'8") 4000 mm (13'1")
  Front Side Front Side
Blade Down                         1170 kg  (2,580 lb) 540 kg  (1,191) 670 kg  (1,477 lb) 310 kg  (684 lb)
Blade Up                             570 kg (1,257 lb) 480 kg (1,058 lb) 280 kg  (617 lb) 280 kg  (617 lb)

*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. Lifting capacities are for standard stick.

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