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303C CR Mini Hydraulic Excavators

Posted By Equipment World Staff On November 12, 2007 @ 12:00 am In Boomerang | No Comments

Engineered by Caterpillar to deliver high levels of productivity, versatility and serviceability.






























































































































































































































































































































































































Engine

Units:  US 


Engine


Mitsubishi S3Q2


Mitsubishi S3Q2



Net Power


30 hp


22 kW



Gross power


31 hp


23 kW




Weights



Operating Weight


7575 lb


3435 kg



Operating weight with cab


7835 lb


3555 kg




Dimensions



Max digging depth – standard stick


9.7 ft


2910 mm



Max reach ground level – standard stick


16.9 ft


5100 mm



Height over cab


8.2 ft


2500 mm



Shipping length


15.55 ft


4740 mm



Width over track


5.09 ft


1550 mm



Track gauge


4.1 ft


1250 mm



Track shoe width


.98 ft


300 mm



Swing radius – rear


2.92 ft


890 mm



Max digging depth – long stick


10.5 ft


3200 mm



Max vertical dig depth – standard stick


7.1 ft


2400 mm



Max horizontal reach – standard stick


16.73 ft


5100 mm



Max horizontal reach – long stick


17.55 ft


5350 mm



Max cutting height – standard stick


16.24 ft


4950 mm



Max cutting height – long stick


16.6 ft


5060 mm



Max dump height – standard stick


11.45 ft


3490 mm



Max dump height – long stick


11.84 ft


3610 mm




Engine Dimensions



Bore


3.45 in


88 mm



Stroke


4.05 in


103 mm



Displacement


116 in3


1.9 L




Travel System



Travel speed – high


2.8 mph


4.6 km/h



Travel speed – low


1.6 mph


2.6 km/h



Max traction force – high speed


3979 lb


17.7 kN



Max traction force – low speed


7508 lb


33.4 kN



Gradeability (max) – high


30 Degrees


30 Degrees




Hydraulic System



Operating pressures – equipment


3553.42 psi


245 bar



Operating pressure – travel


3553 psi


245 bar



Operating pressure – swing


2495 psi


172 bar



Auxiliary circuit – primary (245 bar, 3550 psi)


15.85 gal/min


60 L/min



Auxiliary circuits – Secondary – at 174 bar


7.15 gal/min


27 L/min



Digging forces – stick (standard)


4250 lb


18.9 kN



Digging force – stick (long)


3799 lb


16.9 kN



Digging force – bucket


7420 lb


33 kN




Swing System



Machine swing speed


9 RPM


9 RPM



Boom swing – left (without stop)


80 Degrees


80 Degrees



Boom swing – left (with stop)


55 Degrees


55 Degrees



Swing – right


50 Degrees


50 Degrees




Sound Levels



Canopy


78 dB(A)


78 dB(A)



Cab


82 dB(A)


82 dB(A)




Blade



Width


61 in


1550 mm



Height


12.8 in


325 mm



Dig depth


18.5 in


470 mm



Lift height


15.8 in


400 mm




Service Refill Capacities



Cooling system


1.6 gal


6 L



Engine oil


1.6 gal


6 L



Fuel tank


11.9 gal


45 L



Hydraulic tank


9.75 gal


37 L



Hydraulic system


17.2 gal


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