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311C Utility Hydraulic Excavator

Posted By Equipment World Staff On November 13, 2007 @ 12:00 am In Boomerang | No Comments

Increased horsepower, better controllability, extended service intervals and a redesigned operator station increase your productivity and lower your operating costs.


 




















































































































































































































































































Engine

Units:  US 


Engine Model


Cat® 3064T


Cat® 3064T



Flywheel Power


79 hp


59 kW



Gross Power


82 hp


61 kW



ISO 9249


79 hp


59 kW



SAE J1349


79 hp


59 kW



EEC 80/1269


79 hp


59 kW



Bore


4 in


102 mm



Stroke


5.1 in


130 mm



Displacement


259 in3


4.25 L




Weights



Operating Weight


26410 lb


11980 kg



Operating Weight – Standard Undercarriage


26410 lb


11980 kg




Drive



Maximum Drawbar Pull


20680 lb


92 kN



Travel Speed


3.4 mph


5.6 km/h




Swing Mechanism



Swing Torque


23060 lb ft


31270 N·m



Swing Speed


10.6 RPM


10.6 RPM




Hydraulic System



Main Implement System – Maximum Flow (2x)


28 gal/min


108 L/min



Maximum Pressure – Implements


4340 psi


29900 kPa



Maximum Pressure – Travel


4980 psi


34300 kPa



Maximum Pressure – Swing


3410 psi


23500 kPa



Pilot System – Maximum Flow


6.4 gal/min


24.3 L/min



Pilot System – Maximum Pressure


600 psi


4120 kPa



Blade – Maximum Flow


14.1 gal/min


53.2 L/min



Blade System – Maximum Pressure


2990 psi


20594 kPa



Boom Cylinder – Bore


4 in


100 mm



Boom Cylinder – Stroke


40 in


1002 mm



Stick Cylinder – Bore


4.3 in


110 mm



Stick Cylinder – Stroke


47 in


1194 mm



Bucket Cylinder – Bore


4 in


100 mm



Bucket Cylinder – Stroke


37 in


939 mm




Service Refill Capacities



Fuel Tank


51.5 gal


195 L



Cooling System


4.6 gal


17.5 L



Engine Oil


5.2 gal


19.5 L



Swing Drive


.8 gal


3 L



Final Drive (Each)


.8 gal


3 L



Hydraulic System (Including Tank)


42.3 gal


160 L



Hydraulic Tank


24.3 gal


92 L




Dimensions



Transport width


30.31 in


770 mm




 


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