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312C L 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


90 hp


67 kW



Gross Power


94 hp


70 kW



ISO 9249


90 hp


67 kW



SAE J1349


90 hp


67 kW



EEC 80/1269


90 hp


67 kW



Bore


4 in


102 mm



Stroke


5.1 in


130 mm



Displacement


259 in3


4.25 L




Weights



Operating Weight


28970 lb


13140 kg



Operating Weight – Long Undercarriage


28970 lb


13140 kg




Drive



Maximum Drawbar Pull


24720 lb


110 kN



Travel Speed


3.4 mph


5.5 km/h




Swing Mechanism



Swing Torque


22496 lb ft


30500 N·m



Swing Speed


12.9 RPM


12.9 RPM




Hydraulic System



Main Implement System – Maximum Flow (2x)


33.5 gal/min


127 L/min



Maximum Pressure – Implements


4340 psi


29900 kPa



Maximum Pressure – Travel


4980 psi


34300 kPa



Maximum Pressure – Swing


3340 psi


23050 kPa



Pilot System – Maximum Flow


6.3 gal/min


23.7 L/min



Pilot System – Maximum Pressure


600 psi


4120 kPa



Blade – Maximum Flow


15.5 gal/min


58.5 L/min



Blade System – Maximum Pressure


2990 psi


20594 kPa



Boom Cylinder – Bore


4.3 in


110 mm



Boom Cylinder – Stroke


40 in


1015 mm



Stick Cylinder – Bore


4.7 in


120 mm



Stick Cylinder – Stroke


47.1 in


1197 mm



Bucket Cylinder – Bore


3.9 in


100 mm



Bucket Cylinder – Stroke


37 in


939 mm




Service Refill Capacities



Fuel Tank


66 gal


250 L



Cooling System


4.6 gal


17.5 L



Engine Oil


4.6 gal


17.5 L



Swing Drive


.8 gal


3 L



Final Drive (Each)


.66 gal


2.5 L



Hydraulic System (Including Tank)


42.8 gal


162 L



Hydraulic Tank


23.8 gal


90 L




Dimensions



Transport width


30.31 in


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