320C L Utility Hydraulic Excavator

The 320C Utility excavator maintains the C Series characteristics and offers the same level of operating performance as the 320C standard excavator with a smaller radius.






















































































































































































































































































Engine

Units:  US 


Engine Model


Cat® 3066T


Cat® 3066T



Net Flywheel Power


138 hp


103 kW



Net Power – ISO 9249


138 hp


103 kW



Net Power – SAE J1349


138 hp


103 kW



Net Power – EEC 80/1269


138 hp


103 kW



Bore


4.02 in


102 mm



Stroke


5.12 in


130 mm



Displacement


389 in3


6.37 L



Gross Power


143 hp


107 kW




Weights



Operating Weight


50700 lb


23000 kg



Operating Weight – Std. Undercarriage


49200 lb


22300 kg




Drive



Maximum Drawbar Pull


44040 lb


196 kN



Maximum Travel Speed


3.4 mph


5.5 km/h




Hydraulic System



Main Implement System – Maximum Flow (2x)


54.2 gal/min


205 L/min



Max. pressure – Equipment


4980 psi


34300 kPa



Max. pressure – Travel


4980 psi


34300 kPa



Max. pressure – Swing


3625 psi


25000 kPa



Pilot System – Maximum flow


10.8 gal/min


41 L/min



Pilot System – Maximum pressure


600 psi


4120 kPa



Boom Cylinder – Bore


5 in


120 mm



Boom Cylinder – Stroke


50 in


1260 mm



B1 Family Bucket Cylinder – Bore


5 in


120 mm



B1 Family Bucket Cylinder – Stroke


41 in


1030 mm




Service Refill Capacities



Fuel Tank Capacity


75 gal


284 L



Cooling System


7.9 gal


30 L



Engine Oil


7.9 gal


30 L



Swing Drive


2.1 gal


8 L



Final Drive (each)


2.6 gal


10 L



Hydraulic System (including tank)


63 gal


240 L




Swing Mechanism



Swing Speed


11.5 RPM


11.5 RPM



Swing Torque


45611 lb ft


61.8 kN·m




Track



Standard w/Standard Undercarriage


24 in


600 mm



Standard w/Long Undercarriage – Triple Grouser


32 in


800 mm



Optional


24 in


600 mm



Optional


28 in


700 mm



Optional


32 in


800 mm




Dimensions



Transport width


121.26 in