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312C L Hydraulic Excavator

Posted By admin 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



Flywheel Power


90 hp



Gross Power


94 hp



ISO 9249


90 hp



SAE J1349


90 hp



EEC 80/1269


90 hp



Bore


4 in



Stroke


5.1 in



Displacement


259 in3




Weights



Operating Weight


28970 lb



Operating Weight – Long Undercarriage


28970 lb




Drive



Maximum Drawbar Pull


24720 lb



Travel Speed


3.4 mph




Swing Mechanism



Swing Torque


22496 lb ft



Swing Speed


12.9 RPM




Hydraulic System



Main Implement System – Maximum Flow (2x)


33.5 gal/min



Maximum Pressure – Implements


4340 psi



Maximum Pressure – Travel


4980 psi



Maximum Pressure – Swing


3340 psi



Pilot System – Maximum Flow


6.3 gal/min



Pilot System – Maximum Pressure


600 psi



Blade – Maximum Flow


15.5 gal/min



Blade System – Maximum Pressure


2990 psi



Boom Cylinder – Bore


4.3 in



Boom Cylinder – Stroke


40 in



Stick Cylinder – Bore


4.7 in



Stick Cylinder – Stroke


47.1 in



Bucket Cylinder – Bore


3.9 in



Bucket Cylinder – Stroke


37 in




Service Refill Capacities



Fuel Tank


66 gal



Cooling System


4.6 gal



Engine Oil


4.6 gal



Swing Drive


.8 gal



Final Drive (Each)


.66 gal



Hydraulic System (Including Tank)


42.8 gal



Hydraulic Tank


23.8 gal




Dimensions



Transport width


30.31 in


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