303C CR Mini Hydraulic Excavators
Posted By admin 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 | |
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Engine | Mitsubishi S3Q2 | Mitsubishi S3Q2 |
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Net Power | 30 hp | 22 kW |
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Gross power | 31 hp | 23 kW |
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Weights | ||
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Operating Weight | 7575 lb | 3435 kg |
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Operating weight with cab | 7835 lb | 3555 kg |
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Dimensions | ||
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Max digging depth – standard stick | 9.7 ft | 2910 mm |
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Max reach ground level – standard stick | 16.9 ft | 5100 mm |
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Height over cab | 8.2 ft | 2500 mm |
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Shipping length | 15.55 ft | 4740 mm |
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Width over track | 5.09 ft | 1550 mm |
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Track gauge | 4.1 ft | 1250 mm |
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Track shoe width | .98 ft | 300 mm |
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Swing radius – rear | 2.92 ft | 890 mm |
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Max digging depth – long stick | 10.5 ft | 3200 mm |
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Max vertical dig depth – standard stick | 7.1 ft | 2400 mm |
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Max horizontal reach – standard stick | 16.73 ft | 5100 mm |
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Max horizontal reach – long stick | 17.55 ft | 5350 mm |
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Max cutting height – standard stick | 16.24 ft | 4950 mm |
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Max cutting height – long stick | 16.6 ft | 5060 mm |
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Max dump height – standard stick | 11.45 ft | 3490 mm |
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Max dump height – long stick | 11.84 ft | 3610 mm |
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Engine Dimensions | ||
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Bore | 3.45 in | 88 mm |
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Stroke | 4.05 in | 103 mm |
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Displacement | 116 in3 | 1.9 L |
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Travel System | ||
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Travel speed – high | 2.8 mph | 4.6 km/h |
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Travel speed – low | 1.6 mph | 2.6 km/h |
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Max traction force – high speed | 3979 lb | 17.7 kN |
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Max traction force – low speed | 7508 lb | 33.4 kN |
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Gradeability (max) – high | 30 Degrees | 30 Degrees |
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Hydraulic System | ||
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Operating pressures – equipment | 3553.42 psi | 245 bar |
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Operating pressure – travel | 3553 psi | 245 bar |
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Operating pressure – swing | 2495 psi | 172 bar |
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Auxiliary circuit – primary (245 bar, 3550 psi) | 15.85 gal/min | 60 L/min |
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Auxiliary circuits – Secondary – at 174 bar | 7.15 gal/min | 27 L/min |
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Digging forces – stick (standard) | 4250 lb | 18.9 kN |
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Digging force – stick (long) | 3799 lb | 16.9 kN |
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Digging force – bucket | 7420 lb | 33 kN |
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Swing System | ||
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Machine swing speed | 9 RPM | 9 RPM |
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Boom swing – left (without stop) | 80 Degrees | 80 Degrees |
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Boom swing – left (with stop) | 55 Degrees | 55 Degrees |
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Swing – right | 50 Degrees | 50 Degrees |
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Sound Levels | ||
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Canopy | 78 dB(A) | 78 dB(A) |
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Cab | 82 dB(A) | 82 dB(A) |
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Blade | ||
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Width | 61 in | 1550 mm |
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Height | 12.8 in | 325 mm |
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Dig depth | 18.5 in | 470 mm |
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Lift height | 15.8 in | 400 mm |
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Service Refill Capacities | ||
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Cooling system | 1.6 gal | 6 L |
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Engine oil | 1.6 gal | 6 L |
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Fuel tank | 11.9 gal | 45 L |
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Hydraulic tank | 9.75 gal | 37 L |
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Hydraulic system | 17.2 gal | |
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