CAT 303E CR Mini Hydraulic Excavator

CAT 303E CR Mini Hydraulic Excavator

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Details

Engine

Engine ModelCat C1.3
Rated Net Power @ 2,400 rpm ISO 9249/EEC 80/126917.5 kW / 23.5 hp
Gross Power ISO 1439618.5 kW / 24.8 hp
Bore78 mm / 3.1 in
Stroke88 mm / 3.5 in
Displacement1.26 L / 77 in3


Weights*

Operating Weight with Canopy3310 kg / 7,297 lb
Operating Weight with Cab3530 kg / 7,782 lb

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


Travel System

Travel Speed - High4.5 km/h / 2.8 mph
Travel Speed - Low2.4 km/h / 1.5 mph
Max Traction Force - High Speed15.2 kN / 3,417 lb
Max Traction Force - Low Speed30.9 kN / 6,946 lb
Ground Pressure32.2 kPa / 4.6 psi
Gradeability (maximum)30°


Service Refill Capacities

Cooling System4.7 L / 1.2 gal
Engine Oil5.7 L / 1.5 gal
Fuel Tank45 L / 11.8 gal
Hydraulic Tank47 L / 12.4 gal
Hydraulic System65 L / 17.2 gal


Hydraulic System

Load Sensing Hydraulics with Variable Displacement Piston Pump
Pump Flow at 2,400 rpm87.6 L/min / 23.1 gal/min
Operating Pressure - Equipment245 bar / 3,553 psi
Operating Pressure - Travel245 bar / 3,553 psi
Operating Pressure - Swing181 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 - Bucket28.4 kN / 6,384 lb


Swing System

Machine Swing Speed9 rpm
Boom Swing - Left*80°
Boom Swing - Right50°

*Automatic swing brake, spring applied, hydraulic release.


Blade

Width1550 mm / 60 in
Height335 mm / 13 in
Dig Depth472 mm / 19 in
Lift Height402 mm / 16 in


Undercarriage

Number of Carrier Rollers3
Number of Track Rollers3
Track Roller TypeDouble Flange


Certification - Cab and Canopy

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


Lift Capacities at Ground Level*

Lift Point Radius3000 mm (9'8")4000 mm (13'1")
 FrontSideFrontSide
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.