973C Track Loader

Top Performance. A machine designed to be productive over a wide range of tough applications from heavy clearing to high-volume truck loading, from the slag pits of steel mills to big city landfills. The 973C not only can master the toughest excavation but can also finish grade with delicate precision. Reliable, durable, rugged construction, self-diagnosis of electrical and power train systems, and easy maintenance help ensure extended service life.



 


 






























































































































































































































































































































































































































































































































Engine

Units:  US 


Flywheel Power


242 hp


178 kW



Engine Model


Cat® C9 ACERT


Cat® C9 ACERT



Net Power – Caterpillar


242 hp


178 kW



Net Power – ISO 9249


242 hp


178 kW



Net Power – SAE J1349


242 hp


178 kW



Net Power – EEC 80/1269


242 hp


178 kW



Bore


4.41 in


112 mm



Stroke


5.87 in


149 mm



Displacement


537 in3


8.8 L




Weights



Operating Weight


58142 lb


26373 kg



Shipping Weight – without Bucket


53490 lb


24263 kg




Buckets



Capacity – General Purpose


4.19 yd3


3.2 m3



Capacity – Multi-Purpose


3.79 yd3


2.9 m3



Bucket Width – General Purpose


112 in


2845 mm



Bucket Width – Multi-Purpose


107 in


2710 mm




Undercarriage



Track Shoe Type


Double Grouser, Extreme Service


Double Grouser, Extreme Service



Track Shoe Width – Standard


19.7 in


500 mm



Track Shoe Width – Optional


26.6 in


675 mm



Track Rollers – Each Side


7


7



Number of Shoes – Each Side


40


40



Track on Ground


115 in


2930 mm



Ground Contact Area – Standard Shoe


4542 in2


2.93 m2



Ground Contact Area – Optional Shoe


6138 in2


3.96 m2



Ground Pressure – Standard Shoe


12.8 psi


88.3 kPa



Ground Pressure – Optional Shoe


9.4 psi


65.3 kPa



Grouser Height – Double Grouser


1.93 in


49 mm



Track Gauge


82 in


2080 mm




Drive System



Type


Hydrostatic drive with infinite machine speeds up to 10 km/h (6.2 mph)


Hydrostatic drive with infinite machine speeds up to 10 km/h (6.2 mph)



Drive Pump


Two, variable-displacement, slipper-type axial piston pumps


Two, variable-displacement, slipper-type axial piston pumps



Track Motor


Two, variable-displacement, bent axis piston motors


Two, variable-displacement, bent axis piston motors



Relief Valve Setting


6380 psi


44000 kPa




Hydraulic System – Equipment



Type


Vane


Vane



Output


88.5 gal/min


335 L/min



Main Relief Valve Setting


2755 psi


19000 kPa



Lift Cylinders – Bore


6.5 in


165 mm



Lift Cylinders – Stroke


36.8 in


935 mm



Tilt Cylinders – Bore


5.5 in


140 mm



Tilt Cylinders – Stroke


24.9 in


633 mm




Hydraulic System – Pilot



Output – maximum


3.2 gal/min


12 L/min



Relief Valve Setting


348 psi


2400 kPa



Cycle Time – Raise


6.7 Seconds


6.7 Seconds



Cycle Time – Dump


5.1 Seconds


5.1 Seconds



Cycle Time – Lower, Empty, Float Down


2.9 Seconds


2.9 Seconds




Service Refill Capacities



Fuel Tank


113 gal


430 L



Cooling System


11 gal


43 L



Crankcase (with Filter)


7.66 gal


29 L



Final Drives (each)


7.5 gal


28.5 L



Hydraulic Tank


17.7 gal


67 L



Pump Drive Box


1 gal


3.8 L



Pivot Shaft


.8 gal


3 L



Hydraulic System


44.6 gal


169 L



Hydrostatic Drive System


21.9 gal


83 L




Operating Specifications



Max. Travel Speed


6.2 mph


10 km/h




Ripper Specifications



Type


Radial


Radial



Number of pockets


3


3



Overall Width/Beam


86 in


2200 mm



Shank cross section


74 x 175 mm 2.9x 6.9 in


74 x 175 mm 2.9x 6.9 in



Ground Clearance


26 in


670 mm



Penetration


17 in


428 mm



Ripping Width


78.74 in


2000 mm



Cylinders – Bore


5 in


127 mm



Cylinders – Stroke


14.4 in


365 mm



Addition to Machine Length due to Ripper (in Transportation Position)


73.8 in


1875 mm




Standards



ROPS/FOPS


ROPS/FOPS


ROPS/FOPS



Brakes


Brakes


Brakes



Cab


Cab


Cab




Electrical System



Type


24V DC


24V DC



Battery Capacity


1100 CCA


1100 CCA



Battery Voltage


12


12



Battery Quantity


2


2



Alternator


65-AMP, Heavy-duty Brushless

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